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YLCDRX63N

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1. JTAG Header T Pin USB Device si mam Eri al kg aa Power UART Mini B Connector IL V NS Connector A uu dit ated con T LiPo Switch A Connector E nnt A 233 t o TEST vi A MAAMO N er e o TIN G3 EE A 24 Pin FFC Connector wS 3 33 Power USB Device RMII Husa ew GPIO UARTS junii PCB Edge Connectors JTAG USB Device Power GPIO 5 6 Power The Embedded GUI Solution Kit module can be powered in several ways USB Device Power 45V USBF available on numerous different connectors if present USB Mini B connector PCB Edge Connector Baseboard Connector External 5VDC 5V_EXT available on several connectors if present Power and Communications Connector FFC Expansion Connector Baseboard Connector External LiPo battery input BAT 4V2 available on several connectors if present Baseboard Connector LiPo Battery Switch Connector For development it is common to power the module from the device USB connector by connecting the kit to a PC or powered USB hub The complete module may require as much as 500mA from the USB power supply so ensure that the USB hub or USB power supply can deliver enough power cm The Embedded GUI Solution Kit can support concurrent connection from some of these supplies See the i Power Supplies section for details 10 Chapter 6 Module Feature Detail C1 da cig Cia m wee
2. Kit in power down Weakly pulled high to 5V_MAIN on module GND Ground and Battery connection 3 BAT 4V2 Battery connection 4 J RESET Wired or with Reset Switch The connector is a 5 pin JST GH Series connector designed for a mating connector JST GHR O5V S The 5 signals are also available on the Baseboard Connector and allow direct battery connection or a cable to an external PCB with battery connection system on off switch and or reset switch As described above the P WR DWN signal can be connected or driven low to turn off the kit 6 11 5 USB Mini B Device Connector The Embedded GUI Solution Kit has a USB device or function in USB nomenclature circuitry populated and connected to the RX MCU s USBO port However the Embedded GUI Solution Kit has the USB Mini B connector present The standard USB device signals are always present on the PCB Edge Connector and may also be present on the Baseboard Connector FFC Expansion Connector and Tag Connect Programming Port KII 2JINL The USB portis a USB 2 0 Full Speed 12 mbps max port The USB Vendor ID VID and Product ID PID are software dependent A Verify the USB hub or PC can supply the required power to the kit before connecting The USB Mini B Power input pin 45V USBF on various other connectors is directly connected A to the USB Mini B power input connecting any of these simultaneously may damage your kit or even connected equ
3. features the typical and maximum power numbers can be appropriately subtracted from the maximums for the kit respectively Assuming typical switching conversion efficiency the power breakdown of the elements is as follows Local Power 5V_MAIN to 5V_MAIN Power 5V_MAIN Powered Required mW Local Required mW Subsystem Conversion 700 700 Audio 1000 100 1000 3V3 Elements MCU SDRAM SFLASH RTCC 630 1200 92 685 Temp Sensor LCD etc Battery Charging 5V_USBF 2500 100 2500 Battery Charging 5V_EXT 4750 100 4750 4 1 2 MCU I O Many I O signals on the module are directly and exclusively connected to RX MCU pins Consult the RX63N data sheet for complete specifications of each pin There are specific power limitations on the RX MCU pins Consult the RX63N data sheet for more information Exceeding these limits may damage your board damage attached systems overheat or cause things to catch fire 4 2 AC Timing Characteristics The AC timing characteristics at the module level are governed by the underlying AC timing characteristics of the individual components Consult the component data sheets for more information 4 3 Environmental Characteristics Permissible Range Specification Min Typ Max Units Operating Temperature 20 70 C Storage Temperature 30 80 C Humidity 90 60C RH 4 4 Physical Characteristics The outer dimensions of the module are approximately 116 x 94 x 15 mm The cross sec
4. Connect Power USB Device JTAG Power GPIO UARTS Header USB Device JTAG USB Device Power GPIO USB Device 2 0 USB Device Upto 2MB 128KB Mini B Connector FLASH SRAM 4 3 480x272 WQVGA TFT LCD USB Host 100MHz 32 bit with touch A Connector R USB Host Boost enesas Regulator RX631 63N MCU BGA176 3 3V Switching Up to 16MB LiPo Battery Ethernet Sensor Charger LiPo Switch Connector Piezo Sounder i cinia RTCC or ats Backup Battery 0 7W Audio listens YLCDRX63N Hardware Block Diagram Piezo Sounder is not available on this kit 5 1 High Performance Renesas RX MCU The heart of the Embedded GUI Solution Kit is the 32 bit Renesas RX63N microcontroller MCU with 2MB of zero wait state FLASH 128KB RAM and FPU This powerful MCU is equipped with extensive analog and digital peripherals and with software can deliver an excellent user interface experience On the kit the MCU should be operated at 96MHz to ensure usable timing sources for peripherals such as USB 5 2 Graphic Color LCD Display with Direct Drive and Touch Option The Liquid Crystal Display LCD or glass has an on glass row column driver chip for illuminating pixels but has no on glass frame buffer or memory The pixel data must be delivered at approximately 60Hz per complete frame by the MCU and stored and managed in the SDRAM attached to the MCU The RX63N MCU family has no hardware graphics engine but rather implements a Direct Drive arc
5. FLASH rather than the normal Program FLASH This kit programs the USB boot area with special firmware enabling reprogramming of demo The algorithm in this firmware is proprietary and when the kit boots in USB Boot mode the USB port will identify itself as requiring up to 500mA of bus power and having USB Vendor ID 0x 25 D8 registered exclusively to Serious and USB Product ID in the 0x 0001 to0x0099 range depending on the version of the protocol contained in the area Renesas supplies a standard load for this FLASH area With the standard Renesas load installed and USB Boot Mode selected the Renesas firmware reads P 35 NMI and finds it pulled high causing the USB device port to tell a connected USB host such as a PC that the Embedded GUI Solution Kit is bus powered and requires up to 500mA of power from the USB port The USB VID will be 0X 045B registered exclusively to Renesas and USB PID of 0x0025 12 6 2 Graphic LCD Display The LCD display or glass on the Embedded GUI Solution Kit is a 4 3 diagonal active area 480x272 TFT with optional 4 wire resistive touch layer Features include Parameter Typical Value Type TFT TRANSMISSIVE Active Area 95 04x 53 86 mm Pixel Dimensions Depth 480 x 272 Pixel Color Depth 24 bit connected as 16 bit RBG565 Pixel Pitch Approx 128 DPI On Board Frame Buffer none Driver IC HX8257 or equiv Backlight Type LED Backlight Luminance with touch 300cd m Backlight Luminance witho
6. Panel Coordinate Reading Because of current limitations on the MCU pins 1KQ resistors are placed in series with the four ADC pins such that when they are used as outputs the current is limited to approximately 1mA As well the ADC reading is then limited to the center of the range the two 1KQ resistors with the 5000 touch plane in between form a voltage divider 1KO 5000 1KO Touch Layer Full reading of the touch coordinates is a more complex task and benefits from a full voltage applied across the planes Since the touch planes can have resistance as low as 2000 up to 16mA is required to drive them beyond the capability of the RX digital outputs Therefore the Embedded GUI Solution Kit has a set of four higher current output drivers with the following signals directly wired through the drivers from the MCU to the touch panel MCU Enabled Touch NET o State Signal DRIVE YB PGO HI B DRIVE XR PGI HI E DRIVE XL PG2 LO TOUCH X 15 Signal MCU Enabled Touch NET State Signal Signal TOUCH Y DRIVE YT PG3 LO T When a signal e g DRI VE XR is activated the corresponding touch signal is strongly driven to the state indicated This allows a full voltage range across the panel so 12 bit ADC values from 0x 0000 to0x0FFF can be read and mapped to the screen coordinates Touch panel algorithms are beyond the scope of this document but an Internet search can yield numerous resources in this area 6 3 Po
7. amp audio speaker amplifier subsystem turning on this subsystem without sufficient power will typically cause a reset as the USB host PC or hub voltage drops due to excessive load 6 8 Temperature Sensing 6 8 1 MCU On Chip Temperature Sensor The Embedded GUI Solution Kit s MCU contains an on chip temperature sensor readable by the on chip 12 bit ADC with a typical accuracy of 1 This sensor may be suitable for keeping track of general system temperature but is not an accurate ambient air temperature sensor Air temperature sensors generally require separation from the circuit board to isolate them from heating sources on the PCB especially the LCD backlight As a result the RX MCU s temperature sensor will often read a few degrees above that of the ambient temperature In addition software managed calibration may be required before use See the RX63N RX631 datasheet for more hardware specifications and programming information 6 9 Clocks Oscillators and Time Keeping The following terms are important to understand theory of operation described herein Clock A square wave logic level periodic signal not a clock as in a timekeeping clock of time date minutes hours etc Oscillator A crystal or resonating oscillator circuit that creates a fixed frequency sine wave used in a specific circuit to create a clock signal RTCC A real time clock calendar which keeps track of the correct time date as set by the end user or some oth
8. battery charging status The BATSTAT bi color LED these signals are easily visible BATSTAT LED Color 0 Orange Battery pre charge o STAT1 STAT2 Charging State OF Green Battery charge complete OF Off Charging fault or asleep These signals are inverted into MCU port pins so that user supplied software can monitor their status In addition the ACP G and US BP G signals supplied by the BQ24030 indicate the presence of sufficient 5 V EXT and 45V USBF respectively The combination of signals RX STATI RX STAT2 ACPG and USBPG provide a complete picture to the MCU of the current sources of power and the charging state of the battery N ON F ON F OFF Signal MCU Port RX_STAT2 P9 RX STATI P9 PG 5 4 Battery Level Measurement Measuring the true current charge on a battery is quite challenging As a balance between cost and accuracy the Embedded GUI Solution Kit has a simple method to determine the current voltage on the LiPo battery A simple high side switch Diodes Inc AP2280 when enabled via RX BATCHECK EN RX PortP10 set high delivers a scaled down version of the current battery voltage to the Analog to Digital P46 AN006 input on the RX MCU During charging the voltage will fluctuate up and down When charging charged and 5V EXT and or 15V USBF power is present and sufficient the battery will be under no load and the voltage will read higher than when the battery is supplying the system under load Based
9. host A connector and associated capability for typically support of USB thumb drives keyboards mice etc 6 6 1 Device IDs USB devices are uniquely identified by a Vendor ID VID and Product ID PID VIDs are assigned under license by the USB Implementers Forum This kit uses a VID from Serious which is 0x25D8 You may use the Serious VID only with this module and Serious software If you wish to program your own software for the kit you must obtain your own VID from the USB Implementers Forum This kit is identified as VID PID 0x25D8 0x0225 6 6 2 Software Renesas provides extensive documentation of the RX63N MCU as well as example software consult the Renesas USB Driver software website wi y QP Vendors such as Micrium and Segger provide complete USB stacks pre ported to the RX MCU 6 6 3 Device Port USB1 The RX63N MCU used on the Embedded GUI Solution Kit has a USB 2 0 Full Speed 12Mbit s device or function port The Embedded GUI Solution Kit has the USB device port circuitry connected to this port USB1 From a data connectivity perspective this port is commonly plugged into a PC and depending on user supplied software can act like any number of PC peripherals such as a serial port Mini B Connector This kit has the USB Mini B connector for the USB device port For more information see USB Mini B Device Connector Device Power The Embedded GUI Solution Kit can be powered v
10. on the status lines RK STATI RX STAT2 ACPG USBPG software can determine the battery state and make appropriate judgements as to the batteries current charge level The voltage read by the A to D will be scaled by the resistor divider 1 5K 1 1K 1 5K 57 6996 so a battery voltage near the peak of 4 2V will translate to an A to D value of 4 2 57 6996 3 3V the A to D 100 value 4096 the 12 bit A to D max count 3008 Near the minimum operable battery voltage the A to D will read approximately 2200 so a span of approximately 800 counts is easily calculable for 10096 of the usable battery area Note the maximum 1ms turnon time of the high side switch so software must wait at least 1ms after EA turning on the switch RX BATCHECK EN high before starting the A to D capture cycle 6 3 5 USB Device Function Power The Embedded GUI Solution Kit can be powered from the 5V_ USBF signal present on the USB Mini B Device Connector the Tag Connect Programming Port the PCB Edge Connector and the Baseboard Connector This input is limited to draw a maximum of 500MA typically from a PC or hub assuming it can supply sufficient current A Verify the USB hub or PCcan supply the required power to the kit before connecting The USB Mini B Power input pin 5V_USBF on various other connectors is directly connected A to the USB Mini B power input connecting any of these simultaneously may damage your kit or even connected equipment su
11. phenomena To mitigate against them it is recommended that the following measures be undertaken e The user is advised that mobile phones should not be used within 10m of the product when in use e The user is advised to take ESD precautions when handling the equipment The Renesas Embedded GUI Solution Kit does not represent and ideal reference design for an end product and does not fulfill the regulatory standards for an end product Table of Contents A MEE IS OTT ES 1 Sez PUNO C SC ieee P 2 2 Biblo ro Wales ua a a LEE S uU 2 JA Es olli IE e o A A 3 Chapter Getting I CC snno rn aen enean Uo di A 4 Chapi An A qe Sr E oE MLhBkBEELILE h h h O MD MU DM D PEENE 5 4 1 DC Power EN IFACIONS LES sank TO NL I EE ON EO E E 5 Z L1 Subsystem DC Power GDatacteristl6S s sao ken rne on e eka OU dote nope kku a a cad 5 Ze GIBA ii 6 AZ AC TN Enara cts tudio 6 AS ENVIrOnN mental Enara cien UES sk ska td 6 A Physical ClidtacteriS IES orita aiii las l eo ske va a la os KANEV ea Sera to o e ES 6 Chapter oy li A a a au a ru o da p mi mm su ao 8 5 1 High Performance Renesas RX MCU ou cessssssssssssssssscsssscsssscsesscsesscsesscsessesessesessesesscsessssessesesussesessesessesessesesseseseeseeseess 8 5 2 Graphic Color LCD Display with Direct Drive and Touch Option essere 8 o ONE MOUS PeNpNETAIS se otos nda ks het ks ibit etti tcp ka a a uo
12. 6 AZ DORAM eera T UM 22 6 5 Serialization and Variant Version Identification a EEG a a 22 6 5 Universal Serial Bus USB it het obe KATA RA EES epa E RET EE b d debate EE Ek SE 23 AB a DT 23 D SONIS ee eee On nO OE OR OUT MIU UL MIS MEDII MEME 23 6 6 3 Device POT ES cd 23 OO Embedded oS POL ob Ota neta A DAS EA Ko send IAS AS ADM IR ME 24 6 F AUGO wen c P 24 o LAC CUI DUIS S diee efe eene deni enini e a a a EIU een EE TP 24 67 2 Speaker AIM DIME catio thuat petendi o aan a Gl 25 E ole gskibla g slo lIR ORE ccc UM MM NM Ute 25 6 8 1 MCU On Chip Temperature Sensor escsssssssencssesnsenenennennnnnensnnannnnnenranannennenrnnenneneneenenrennnneenearennnntno 25 6 9 Clocks Oscillators ana Turre Keeping oaa o axe a 25 69 1 PH ana Peripheral CIOCK rca queis troop Ko KA Sa mar a kava neo ere ere 26 6 9 2 MCU On Chip Battery Backed Real Time Clock Calendar sees 26 o LO User Pushbuttorn SwitCD nd BEDS ua tte tot tette Dala a sta aaa ua Rente 27 OE BONECO rs ra E E I ENU MM MM MU ME 27 611 1 Baseboard CONNETTO EET 27 OZ POBEGOO CONNECIOF 11 4 ko ekoo E OS 29 6 11 3 Power and Communications Connector 1 0 0 cesesessssessssesessesesessesssessesssessesssessessssssessssesesssecsessseesesesessesesessessees 31 6 LA LiPO Battery SWItG
13. AM controller can be configured to enable this memory in random access or burst modes The SDRAM when used with the MCU s Direct Drive DMA and Timer peripherals can deliver pixel data directly to the Embedded GUI Solution Kit s LCD screen During the delivery of pixel data to the LCD software in the MCU must be cautious not to access the SDRAM or visible timing artifacts can appear on the screen See Direct Drive for more information The Embedded GUI Solution Kit features a 2Kbit 256 byte On Semiconductor CAT34CO2 EEPROM with software write protection features The EEPROM is an I2C device on the RX MCU s RIIC1 port and shares an I2C connection with the PCB Temperature Sensor chip The EEPROM s address bits are hard coded on the module to 000 yielding a 7 bit I2C address of 0x50 with write command 0X A0 and read command 0xA1 TS TS MCU Pin Name Name Signal Name Description RX SDA1 I2C Serial Data 1 S DAI P20 SDA1 RX SCLI I2C Serial Clock 2 GLA P21 SCL1 Consult the On Semiconductor CAT34C02 Data Sheet for programming and hardware information 6 5 Serialization and Variant Version Identification Beyond the main 8MBytes of FLASH the SST25VFO64C device also has a 256 bit 32 byte one time programmable OTP region The primary serial FLASH contains factory programmed information including the serial number of the unit as well as variant version information Reading this information at run time can enable software to dynamical
14. COLE POLE LT EE L p ENESAS Eu iE UEC f C3 ha H diti Ci cir Sate Pts amp MIETTE iir UTE JE LE xS UL quad HIO TEN FARI N C42 A id sen La A A Ir r n3 ur Li us con h ate f ts TEETTTITIT mie iiie ati RId HIJ mi i g ma al E en tie e o 2 kaas l mi e S tT a 2 5 e ay PTA epis 01 6 1 Renesas RX63N MCU da a TX LEID 1 s TT r F EJ y 4 i r LI j ui 231 zae 404 S00 ps MARIA IAN hi LE z uii i 1 73 sinn paipa kamo At the heart of the Embedded GUI Solution Kit is a 100MHz 32 bit Renesas RX63N MCU equipped with extensive analog and digital peripherals Features include MCU Core amp Memory 100MHz 32 bit core 2MBytes FLASH zero wait state at up to 100MHz 128KBytes RAM zero wait state at LOOMHz Single cycle multiply and hardware divide unit Single precision hardware Floating Point Unit FPU 16 32 bit registers Fast context switching interrupt response including a dedicated fast interrupt Peripherals include Two USB 2 0 ports one device one host SDRAM external bus controller Four channel general hardware DMA controller plus Transfer Controller A D Converters 4 channels x 2 units 10 bit or 8 channels x 1 unit 12 bit Hardware real time clock calendar RTCC with battery backup capability w D A Converter 10 bit x 2 channels Watchd
15. Our partner Serious Integrated offers the SWOO1 Switch Battery board is a simple PCB containing an SPST switch a 2 terminal LiPo battery connector and the 10KO BAT TS pull down required for 2 terminal batteries When ordered from Serious as part of the SBX200 Prototype Enclosure Battery Kit for Embedded GUI Solution Kit the complete accessory kit includes a battery cable harness and populated PCB For schematics and technical documentation on the SWOO1 and SBX200 see Additional Information LiPo Charging The BQ24030 operates both as a battery charger and power path manager so current can flow to and from the battery depending on the mode The positive battery terminal is connected to signal BAT 4V2 and the negative is connected to system GND When using a 2 wire battery the BAT TS signal must be grounded through a 10kQ resistor or the battery will not be charged When using a 3 wire battery the BAT TS signal must be connected to the thermal sensor wire of the battery The optional Switch Battery Board Serious P N SWOO1 shows a typical circuit for connecting a 2 wire battery The maximum charging rate of the battery is maximum 950mA When both USB and 5V_EXT are powered the battery charging circuit can draw from both supplies When only the USB port is connected the total power from the USB port will not exceed 500MA so whatever power is left over from powering the Embedded GUI Solution Kit will charge the battery The amount of time taken
16. P33 GPIO3 34 and volume re programming It i 2 BAT TS 38 features the full signals of the JTAG port USB device port primary UART as well as power pPZ1 35CL1 26 in out connections TOT ENS UsBiDW 14 i i i PC4 55LA04 12 Many applications only use the first 20 pins with the Samtec MEC6 PCE MOSIA 10 110 02 L D RA1 TR mating connector Some applications will use all 25 the pins with the 40 pin Samtec MEC6 120 02 L D RA1 TR mating NE connector The PCB Edge Connector is not polarized or keyed Connecting it backwards may damage your kit and or connected equipment These MCUs have a variety of I O multiplexers allowing one of numerous different peripheral functions to map to a given I O pin Consult the respective hardware manuals for the complete list of options The following chart shows the intended primary usage of the basic 20 pin version of the PCB Edge Connector RX631 63N RX621 62N Signal Description MCU Name MCU Name Regulated 3 3V output from module see Power 13V3 Supplies for current limitations and information System RESET input and or output weakly pulled RESET high on the module Same as the 5V incoming power pin on USB Device Connector Do not connect power simultaneously to both of these pins See USB Device Function Power PC7 has special a special boot mode function when PC7 MI SOA RESET is released on the RX63N 631 MCU enters USB boot mod
17. SW1 RX MCU GPIO PO 7 connected to User Switch 13 BOSE ROMS RX SSLBOH RX MCU RSP 1 Slave Select 14 P31 SSLB0 USB Device Data Also on PCB Edge Connector Tag Connect T USB1DP Programming Port FFC Expansion Connector USB Device Data Also on PCB Edge Connector Tag Connect i AEI USB1DM Programming Port FFC Expansion Connector RX TXD6 GPIO or RX UART6 Tx ee OFT Dic RX RXD6 GPIO or RX UART6 Rx 18 P01 RXD6 RX GPI 04 GPIO or CANO Tx 1 P32 CTX0 9 2 RX GPI 02 GPIO or Digital To Analog Port 1 See Audio DAC Outputs KOS ADAT RESET System Reset wired or with Reset switch 27 RESET Output of BQ24030 driven by any all of 5V_EXT USB power 23 15V MAIN battery power See Power Sources RX AUDIO QUT GPIO or Digital To Analog Port 0 See Audio DAC Outputs 24 P03 DA G Ground ND 3 GND Ground 6 2 2 28 There is no legacy full level RS232 port on the Embedded GUI Solution Kit however a simple and inexpensive adaptor such as the CircuitMonkey com USB Serial TTL Adapter can be easily attached to the one of the Baseboard Connector s UARTs to enable full serial over USB communications to a PC Alternatively a common RS232 chip like the venerable MAX232 or similar can boost the 3 3V UART levels to traditional RS232 voltages 6 11 2 PCB Edge Connector The Embedded GUI Solution Kit contains a special PCB Edge paz sii 48 A PCO SSsL i GH Connector primarily used for software development manufacturing pasera as
18. YLCDRX63N LE NI ESAS l TONE EE _ __ _A E E ES S lt K_EO _ _ _ _ _ _ _ M x G G M EEE See Rev 1 01 Renesas Electronics America Revision date Jan 2013 www renesas com Disclaimer By using this Renesas Embedded GUI Solution Kit EGSK the user accepts the following terms The EGSK is not guaranteed to be error free and the entire risk as to the results and performance of the EGSK is assumed by the User The EGSK is provided by Renesas on an as is basis without warranty of any kind whether express or implied including but not limited to the implied warranties of satisfactory quality fitness for a particular purpose title and non infringement of intellectual property rights with regard to the EGSK Renesas expressly disclaims all such warranties Renesas or its affiliates shall in no event be liable for any loss of profit loss of data loss of contract loss of business damage to reputation or goodwill any economic loss any reprogramming or recall costs whether the foregoing losses are direct or indirect nor shall Renesas or its affiliates be liable for any other direct or indirect special incidental or consequential damages arising out of or in relation to the use of this EGSK even if Renesas or its af
19. a UART serial port 48MHz for the SRAM bus etc While the RX63x MCU family used on the Embedded GUI Solution Kit can operate up to 100MHz on the kit it should typically be programmed to operate at 96MHz so that all the other peripherals can divide down properly from that top frequency The complexity and capabilities of the RX family clock system are beyond the scope of this guide consult the Renesas documentation for a complete description 6 9 2 MCU On Chip Battery Backed Real Time Clock Calendar Time keeping i e year month day hour etc can be performed using the RX MCU s internal Real Time Clock Calendar peripheral if the family member has the 32 768 KHz crystal populated on the module The RTCC peripheral must be configured via software and registers to be enabled and use that clock input correctly RTCC Battery Backup The RX63x MCU has several power inputs including a main 3 3V power input connected to the main module power along with a backup battery power input pin The RTCC is normally powered from the main module power When main power fails it automatically switches to battery power if available 26 The Embedded GUI Solution Kit has an on module clock calendar battery holder designed to accommodate an industry standard CR2032 coin cell battery This coin cell battery is connected to the RTCC battery backup voltage input on the RX63x MCU With a good quality battery the clock calendar could run for up to several years w
20. aleto o ma 8 5 4 OnsMogdule MEMO ecard atthe cachet eat sedate aad acta telnet e bat i Seu dc iD an 9 55 C mm nications and ONIN CLOUS ose aos pe aires tenias 9 c Mu 10 Chapter 6 Module Feature Detail csssssssssesssssssscsesssssesscsesssesssscsesssesssesesesessssesesesesssessesesesesesseseseseseessseseeesesseseseeeees 11 Oe Kenesas RAOS NMG U pM o ale 11 6 1 1 MCU Boot Modes Switch S4 and the USB Boot FLASH esssssssssessseesesssessesssessesesssesesssesteesseetseeseens 12 62 Graphic UCD DISDIGV eii diia ainia 13 Oz JISC Be Dn CCU DEVO mea INTEL O AN 13 02 ZOU Cie teeta a e ML o oob M M UT 14 Oo DOWEK SUDD ES teases nosan na ene errr ieee nene ae Aq o ako no io 16 oo Iss INGO EID nce cece ccittterenecehceese eese ee Me M S 16 9 2 2 Mar 3 V BEQU O sss a Hann Can a nae a asa mora o en tesi do 17 6 3 3 Turning Embedded GUI Solution Kit Off The PWRDWNYH Signal essere 17 OS MMEPOBA 6 se sn cds 17 635 USB Device FUNCION POOLE eit o OS KAE E REDE p CE DE CHE Dr CREE NA ARLO Roc i D gone 20 630 LCD Panel Packlight POWE cote theta edu edu merat Uc sta oka iue 20 6 3 9 USE HOS PO WE ente 20 037 Clock Calendar Battery POWER lll id 21 o e do eae 21 MESo gr Mo A enoET 21
21. arkfun PRT 00339 A similar battery is shipped with the Serious SBX200 Prototype Enclosure Battery Kit 17 Lithium batteries if not properly managed can overheat and potentially create a fire hazard If you use a Lithium Polymer battery with Embedded GUI Solution Kit you must observe sufficient design precautions for Lithium batteries including carefully following the recommendations in the TI BQ24030 documentation LiPo Connection The Embedded GUI Solution Kit supports single cell 3 7V LiPo batteries with two or three wires power ground and optional temperature sensor These three signals are available on both the LiPo Battery Switch Connector and Baseboard Connector When used with a 2 terminal battery with internal thermistor and protection circuitry a 10KQ resistor must be placed between BAT TS and GND for the charging circuit to recognize the battery Occasionally these types of batteries can if removed or inserted into a live circuit for example go into protection mode where they will not accept a charge or deliver power to the attached system Ensuring power is completely off to the kit and removing re attaching such a battery will normally clear this condition Do not connect a 3 wire battery and a 10kO BAT TS pull down resistor simultaneously The charging protection circuit may not operate correctly potentially causing the battery to overheat or even self destruct Optional Switch Battery Board Serious P N SW001
22. ble is highly dependent on the specific features used on the specific variant by the system designer 6 3 3 Turning Embedded GUI Solution Kit Off The PWRDWNH Signal The Embedded GUI Solution Kit in absence of external connections other than 5 USBF or 5 V EXT power is always powered on The 3 V3 supply can be turned off via the P WR DWN signal on the LiPo Battery Switch Connector the PCB Edge Connector as well as the Baseboard Connector PWRDWN is weakly pulled high on the kit to deliver the default powered on behavior Driving this signal to GND via logic or connecting it to GND via a simple SPST switch puts the kit in power down mode turning off the 3 3VDC switching regulator and disconnecting power from the MCU and associated circuitry The audio USB host and LCD backlight are also powered off so when P WR DWN is asserted the kit can consume only a few yA The PWRDWN signal does not disable LiPo charging any charging current will still be used even if P WR DWN is asserted 6 3 4 LiPo Battery The Embedded GUI Solution Kit includes the capability to attach a rechargeable Lithium Ion Polymer LiPo battery The LiPo battery should be the single cell 3 7V type with two or three wires power ground and optional temperature sensor and have approximately 1000mAH capacity Most readily available LiPo batteries have 2 wires and include a built in over temperature protection circuit for instance the readily available 1000mAH Sp
23. ch as a PC or USB Hub The 500mA limit on 45 USBF is lower on this kit due to the 0 7W audio amplifier speaker A Turning on some features without sufficient power may cause a system reset Ensure sufficient power from the various power supply inputs before turning on these features 6 3 6 LCD Panel Backlight Power The LCD Panel has an array of LEDs supplying the backlight This LED array requires approximately 16V at up to 800mW to fully light An On Semiconductor CAT4139 boost regulator and associated circuitry boosts the main power to this voltage and can be pulse width modulated to vary the brightness and power required of the LCD panel Backlight power is a significant portion of the kit s power consumption At full brightness the LCD backlight typically consumes 800mW 50mA 16V Working backwards through the CAT4139 at about 85 efficiency this represents a load of approximately 214mA on the V MAI N supply Software should carefully manage the backlight to be powered on as infrequently and for as short a time as possible especially in battery powered systems or when operating from the USB power Since both of these conditions are detectable software can drop the brightness to less than 10096 when operating from these sources and even further reduce brightness as the software detects the battery voltage dropping Another technique is to turn off the backlight completely when the touch panel has not been touched for some duration
24. e Baseboard Connector are very reconfigurable supporting I2C SPI CAN high speed serial USB device as well as GPIO battery power system reset and more Many of the indicated functions require both the PnmPFS and PORTm PMR registers to be i C correctly configured Careful examination of the RX MCU Hardware Manual yields the ability to reconfigure many of these pins to these functions as well as other modes including GPIO Signal Description Pin MCU Name When connected driven low puts the kit into power down mode P WR DWN See Turning Off The PWRDWNY Signal If a Lithium Polymer battery is connected VBAT 4V2 must be connected to the positive terminal of the battery See Battery BAT 4V2 Selection Connection and Charging 13 3 Regulated 3 3V output See 3 3V Main Power Regulator 3 If a Lithium Polymer battery is connected BAT TS must be connected to the thermistor terminal of the battery See Battery Selection Connection and Charging 15V USBF USB Device Function Power 5 i 45V EXT External kit power input See Power Sources 6 RX SDAO GPIO I2C2 Data or UART2 TxD 7 P13 SSDA2 TXD2 RX SCLO GPIO I2C2 Clock or UART2 RxD 9 P1296 CL27 RXD3 RX RSPCKB RX MCU SPI RSPI 1 Clock 9 P27 RSPCKB RX GPI 01 RX MCU GPIO Analog to Digital Input and Interrupt capable 10 P44 AN004 1RQ12 RX MOSIB RX MCU RSP 0 Master Out Slave In 11 P26 MOSIB RX MI SOB RX MCU RSPI 0 Master In Slave Out 12 P30 MI SOB
25. e mode until the subsequent RESET and is not available for general program and system use during these special modes The MD1 and P C7 signals are weakly pulled high on the Embedded GUI Solution Kit ensuring that for normal operation the MCU will boot in Normal Program Boot Mode starting execution at the main RX MCU Program FLASH reset vector The Program FLASH can be re programmed in a variety of ways including the JTAG port exposed on the PCB Edge Connector as well as under user program control Because the MD1 signal is available on the PCB Edge Connector it can be pulled low externally to the kit forcing the kit to go into one of the two special boot modes The Embedded GUI Solution Kit has a DIP switch S4 populated on the PCB MD1 is connected to this switch For normal execution ensure S4 1 is in the OFF position When 54 1 is set ON and because PC7 is weakly pulled high on the Embedded GUI Solution Kit the MCU will enter USB Boot Mode on release of RESET A 54 1 when ON is connected directly to GND Do not externally drive the MD1 signal high while 54 1 is ON or you may damage the kit and or attached equipment During RESET P C7 can only be set low externally to the kit and is made available on PCB Edge Connector ROM Boot Mode is a complex mode and beyond the scope of this document Consult the Renesas RX63N RX631 MCU Hardware Manual for details In USB Boot Mode the processor begins execution in the 16KB USB Boot
26. e too much 9 current for this supply alone These features may only be accessible when more power is available for example when used with an external LiPo battery or when sufficient power is supplied from 5_EXT 6 6 4 Embedded Host Port USBO The USB Host port on the Embedded GUI Solution Kit can with the appropriate user supplied software drive a USB device such as a printer WiFi module keyboard or FLASH thumb drive This port can supply up to 150mA of power and has built in current limiting and over stress shutdown capabilities You must ascertain the total power budget available to the unit for instance 500mA total o from the USB device port and subtract the requirements of the Embedded GUI Solution Kit wo itself and any battery charging the remainder up to 150mA is available to the USB host connector The 5VDC power to the USB A host connector is enabled when the RX MCU s P16 USB0 VBUSEN signal is set high this signal has a pull down resistor to ensure at and after RESET this power is disabled until software explicitly activates it Even ifthe module is operating solely from a 3 7VDC LiPo battery the SVDC USB host port can be used if sufficient power is available see Power Supplies USB Host Power for details 6 7 Audio The Embedded GUI Solution Kit supports several audio options e a small speaker amplifier for demonstration and low volume audio waveforms e stereo audio DAC outputs for off module amplification a
27. e when pulled low at MD FI NED RESET SPI Data Master In Slave Out PC7 MI SOA 5V_USBF PCT MD FI NED PC7 MI SOA TCK FI NEC Debug Programming Pin TCK FI NEC PC5S RSPCKA Clock PC5 RSPCKA EMLE Debug Programming Pin EMLE PC6 MOSIA SPI Data Master Out Slave In PC6 MOSIA Debug Programming Pin TASTE TRST SPI Slave Select active low PC4 SSLA PC4 SSLA 29 RX631 63N RX621 62N MCU Name MCU Name TDO Debug Programming Pin TDO 15 USBODM USB Device Data Connected to USB Mini B 14 USBODM USBIDM Signal Description Pin Debug Programming Pin TMS TMS 155 USBODP USB Device Data Connected to USB Mini B 16 USBODP USB1DP TDI Debug Programming Pin ing Pi 17 TDI P20 SDA1 c Pata 18 GND Ground 19 GND P21 SCL1 2C Clock 20 PIZISULI RAD2 P12 SCL0 RXD2 The optional Serious Programming Adapter SPA100 is designed for off the shelf access to this port The Embedded GUI Solution Kit has the extended version of the PCB Edge Connector exposing additional signals RX631 63N RX621 62N Description MCU Name MCU Name This low current input signal powers off the Embedded GUI Solution Kit s main regulator s when pulled low Weakly pulled 29 high on module The LiPo battery thermistor input on Embedded GUI Solution Kit s with LiPo support P WR DWN The main internal power signal supplied through regulation 5 VMAI N from any combination of LiPo 5V USBF 5V EXT The LiPo ba
28. ed with an externally regulated 5VDC supply Without the optional LiPo battery an 850mA supply is sufficient With the battery 1300mA is recommended 850mA 450mA charging current Note that if both 5V_USBF and 45V EXT are present the BQ24030 can pull from both supplies simultaneously but will always give preference to the external 5V EXT supply if present This is called Dynamic Power Path Management DPPM and is fully documented in the BQ24030 data sheet 6 3 2 Main 3 3V Regulation Major power consumers such as the USB Host LCD panel backlight power and audio are all derived from 15V MAIN to maximize power conversion efficiency The rest of the circuitry on the Embedded GUI Solution Kit including MCU memories and LCD screen require a 3 3V supply The 5V MAIN power is converted to 3 3VDC the 3 V3 signal through a switching power supply at typically 90964 efficiency 13V3 is also delivered to the Baseboard Connector the Power and Communications Connector and the FFC Expansion Connector but is only meant to supply a small amount of power to an attached system The amount of 3 3VDC power available to these connectors is limited by a the total capacity of the regulator and b the excess power available on the 3V3 signal after calculating the incoming available power minus that used on the Embedded GUI Solution Kit The DC Power Characteristics information in this manual can assist in this calculation the actual amount availa
29. ensing of the touched position 14 Basic Touch Testing and Wake Up There are two common places where a simple detection of panel hit is required during CPU sleep modes where a panel touch needs to wake up the CPU and the system and as a quick test to see if more detailed coordinate reading is needed Basic touch testing requires only the ADC pins The ADC pins connected through current limiting resistors to the touch panel can be configured dynamically by software to be low current outputs or ADC inputs To do a basic are we touched test on the Embedded GUI Solution Kit the pins can be configured as follows Signal TOUCH XL Output Drive low via P42 TOUCH YB ADC Input Weakly pulled high When not touched the Y B analog input will read at or near the maximum ADC value The ADC on the RX631 RX63N has 12 bit resolution so the reading will be at or near 0 x OF FF When the panel is touched the two layers connect and the weak pull up on Y B is overwhelmed by the strong low on XL causing the ADC value to drop significantly In sleep modes setting an interrupt on RQ8 DS can wake the system when the panel is touched In this mode the standby power is extremely low the resistance across the panel planes when not touched is typically 1OMQ This simple test can be used in a timer driven software event to determine if when a more precise and rigorous full reading of the XY location of the touch screen is required Touch
30. equired to handle both the LCD graphics along with a number of other features like communications at the same time 2 1 Hardware The Kit Features include 4 3 WQVGA 480x272 color TFT display with touch panel gt 100MHz 32 bit Renesas RX63N MCU o 128KB RAM 2MB FLASH Direct Drive LCD Technology o Integrated Temp Sensor amp RTC On Module Memory o 16MB SDRAM o 16MB serial FLASH 2Kbit EEPROM gt Extensive I O 24 Pin FFC Expansion Connector GPIO 5V RESET UART RMII 7 pin system to system Power and Communications Connector 26 Pin Baseboard Connector GPIO 5V RESETE 2xUART I2C SPI audio CAN and more 14 Pin JTAG Connector USB Mini B Device Connector USB 2 0 FS USB A Host Connector USB 2 0 FS 150mA Other Features o O O O 6 Speaker Amplifier O LiPo Battery Support Battery Backed Clock PCB Temp Sensor O O O 2 1 Software The Embedded GUI Solution Kit supports software from a wide variety of sources to provide you with the most flexibility in the development process Current options include the following e Micrium UC GUI e Renesas GAPI e Serious Integrated SHIPTide For the latest information go to http am renesas com ddlcd Chapter 3 Getting started The Embedded GUI Solution Kit comes pre configured with a demo program loaded in the system ROM 1 Attach the included USB cable to the LCD Module using the USB device Mini B connector 2 Connectthe other end of the USB cable t
31. er means There are many producers and consumers of stable clock signals or clocks on the Embedded GUI Solution Kit All clocks including for instance the 96MHz CPU core clock the 12MHz USB clock and a 9 600baud serial port clock can be traced back to an originating oscillator source somewhere The two main oscillators clocks in the Embedded GUI Solution Kit are 1 The relatively accurate 32 768 KHz crystal oscillator attached to the RTCC input on the MCU For modules with battery backed RTCC capability this oscillator can continue to operate without module main power applied 25 2 The relatively accurate 12MHz clock to the MCU which is multiplied and divided in a variety of ways inside the MCU to generate the 96MHz the MCU runs at as well as all the different peripheral clocks 6 9 1 CPU and Peripheral Clocks The Embedded GUI Solution Kit uses the external 12MHz oscillator module attached to the MCU s input clock circuit as the primary source for all non timekeeping clocks in the system The RX MCU like all modern MCUS has sophisticated internal clock management circuitry which takes a few input clock frequencies and delivers a plethora of derivative clocks some higher frequency some lower For instance the RX MCU can take a single 12MHz input clock and create derivative clocks such as the core 96MHz CPU clock as well as various peripheral clocks including 48MHz required for the 12mbps USB ports 9600 baud for
32. filiates have been advised of the possibility of such damages Precautions This Renesas Embedded GUI Solution Kit is only intended for use in a laboratory environment under ambient temperature and humidity conditions A safe separation distance should be used between this and sensitive equipment Its use outside the laboratory classroom study area or similar such area invalidates conformity with the protection requirements of the Electromagnetic Compatibility Directive and could lead to prosecution The product generates uses and can radiate radio frequency energy and may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment causes harmful interference to radio or television reception which can be determined by turning the equipment off or on you are encouraged to try to correct the interference by one or more of the following measures e Ensure attached cables do not lie across the equipment e Reorientthe receiving antenna e Increase the distance between the equipment and the receiver e Connect the equipment into an outlet on a circuit different from that which the receiver is connected e Power down the equipment when not in use e Consult the dealer or an experienced radio TV technician for help NOTE It is recommended that wherever possible shielded interface cables are used The product is potentially susceptible to certain EMC
33. for example 30 seconds and then waking up the backlight when touched again or a condition on the GUI needs attention This mode often can create a long term duty cycle of 1096 and extend battery life significantly The LCD backlight is enabled when RX P11 BLEN is driven high which turns on the backlight power boost circuit driving approximately 16 5V to flow to the backlight LEDs on the LCD This enable signal has a weak pull down so the backlight is off until the MCU pin is initialized including during and directly after system RESET Software algorithms can PWM this pin to enable backlight dimming A PWM driven by a typical 1 KHz clock with 16 PWM steps for a PWM net frequency of 64 Hz is generally sufficient and flicker free with duty cycles from 0 to 10096 In no circumstances should the PWM clock exceed 16 KHz 6 3 8 USB Host Power On Embedded GUI Solution Kit there is no assurance that the main operating power source is 5VDC often as the battery drains the main supply voltage will drop below 4 0 volts To ensure adequate power to the USB A Host Connector on this kit has a TPS61240 3 5 MHz High Efficiency Step Up Converter which boosts whatever voltage is present on 45 V MAI N into 5V for the USB A Host Connector This supply is enabled by asserting the USB0 VBUSEN signal high on RX MCU portP 16 which is connected to the TPS61240 s EN enable signal The 5V Host power signal is designated on the schematics as 5 V USBH The enable i
34. h CONAN do 32 G1 USB M nisb Device Connect dd 32 o LOGUSD A HOSEGONNEGIOF dicendi o Ee Dess 32 6 EZ PECEXDANSION ONC GUO Mores testet iret tete Ee c SE HERR RERO toe o aes 33 AE o E eU E a D DIU M 33 Chapter Y Additional ATOM MAU OD sein eee he EI Stn EE Etna EE NES 34 Chapter 1 Preface Cautions This document may be wholly or partially subject to change without notice All rights reserved Duplication of this document either in whole or part is prohibited without the written permission of Renesas Solutions Corporation Trademarks All brand or product names used in this manual are trademarks or registered trademarks of their respective companies or organizations Copyright 2013 Renesas Electronics America Inc All rights reserved 2013 Renesas Electronics Europe Ltd All rights reserved 2013 Renesas Electronics Corporation All rights reserved 2013 Renesas Solutions Corporation All rights reserved Website http www renesas com Glossary ADC Analog to Digital Converter LiPo Lithium Polymer CPU Central Processing Unit ROM Read Only Memory GUI Graphical User Interface RAM Random Access Memory LCD Liquid Crystal Display TFT Thin Film Transistor LED Light Emitting Diode USB Universal Serial Bus Chapter 2 Purpose The Renesas Embedded GUI Solution kit offers a quick and easy way to add an intelligent 4 3 WQVGA LCD touch screen to your designs RX Direct Drive technology offers the performance r
35. hitecture whereby the MCU s DMA timers and other peripherals are used to deliver pixel data directly from SDRAM to the LCD at the specific timing required by the LCD The performance of the RX MCU can enable surprising GUI performance and the Direct Drive architecture on the RX requires few external components This combination can yield a modern looking GUI including alpha blending effects with low system cost This kit includes an integrated 4 wire resistive touch feature a resistive film over the LCD returns an analog voltage in two dimensions which can be read by the MCU s 12 bit analog to digital converter channels and translated with a simple algorithm into a pixel hit position 5 3 On Module Peripherals The Embedded GUI Solution Kit contains numerous on module peripherals many common to a vast and diverse set of OEM applications including a Real Time Clock Calendar RTCC battery backed temperature sensor USB device USB host serial FLASH a high speed UART EEPROM bi color indicator LEDs a user select switch and more 5 4 On Module Memory The Embedded GUI Solution Kit module has a variety of memory for storage of program data images parameters etc FLASH Memory 2 MB zero wait state FLASH program memory within the RX63N 16Mbytes 128 Mbits serial FLASH memory attached via dedicated SPI EEPROM 2Kbits EEPROM RAM 128KBytes RAM within the RX63N 16MBytes of external SDRAM 5 5 Communications and Con
36. ia the USB device port for example from a powered hub or USB power adapter This signal is marked as 45 USBF on the schematics Regardless of the 5 USBF source USB Mini B Device Connector PCB Edge Connector etc the Embedded GUI Solution Kit will pull no more than 500mA from this signal and may require the full 500MA Most PCs including modern laptops as well as powered hubs can supply this power Be sure to check the power capability of the host device you are attempting to use 23 5 USBF is directly connected to the 5 USBF pins on several connectors including the USB Mini B Device Connector the Tag Connect Connector the PCB Edge Connector and the A Baseboard Connector Do not simultaneously connect power to more than one of these pins or devices attached to these pins including the kit may be damaged The USB device power connection is also source protected from the external power input 5 EXT signal so both the USB port and the external power port can be simultaneously connected On this unit with LiPo capability regardless of whether or not a LiPo battery is attached current may be sourced from both the 5 USBF and 5 EXT connections See Power Supplies for more details Some features of the Embedded GUI Solution Kit should not be activated from software when powered solely from the 500mA maximum available on the USB Device port High power PY features such as the Speaker Amplifier and USB Embedded Host Port often requir
37. input port a DAC port and can T AANT also be used as GPIO with custom software With SHIPEngine this is the primary UARTO TxD pin 3 3V P00 TXD6 Custom software may be able reconfigure this pin in numerous ways With SHIPEngine this is the primary UARTO RxD pin 3 3V P01 RXD6 Custom software may be able reconfigure this pin in numerous ways GND Ground 7 Several signals on this connector are directly connected to signals on other connectors including 3V3 RESETA 5V EXT Ensure that common signal connections are appropriate or you may damage your kit or connected equipment JST America offers a sample service for wire harnesses and custom wire harness manufacturers such as TLC Electronics can assist in small to large volume harness development and production There is no legacy full level RS232 port on the Embedded GUI Solution Kit However a simple and very inexpensive adaptor such as the CircuitMonkey com USB Serial TTL Adapter can be easily attached to primary 3 3V UART Tx Rx signals to enable full serial over USB communications to a PC Alternatively a common RS232 chip like the venerable MAX232 or similar can boost the 3 3V UART levels to traditional RS232 voltages 31 6 11 4 LiPo Battery Switch Connector The LiPo battery can be connected via the Battery Switch Connector Signal Description Pin 1 BAT TS Battery Temperature Sense Driving connecting to GND puts Embedded GUI Solution P WR DWN
38. ipment such as a PC or USB Hub 6 11 6 USB A Host Connector 1 The Embedded GUI Solution Kit includes a USB 2 0 Full Speed 12 mbps max i Eq I vi embedded host circuitry on the RX MCU s USBO port along with the associated USB A Connector See USB Embedded Host Port for details on the port functionality and USB Host Power for power enabling and limitations 32 6 11 7 FFC Expansion Connector The FFC Expansion Connector is the FCI 10051922 2410ELF a 24 position 0 5mm gold plated bottom signal latching connector There are few off the shelf FFC cables so if the FFC Expansion Connector is used to connect an Embedded GUI Solution Kit to another system the system designer will likely require a ELI custom flex cable harness The FFC Expansion Connector exposes numerous GPIO signals from the MCU including the same seven connections as the 7 pin Power and Communications Connector If desired the FFC Expansion Connector can be the only external connection to the Embedded GUI Solution Kit Since Embedded GUI Solution Kit has the RX63N MCU the MCU s Reduced MII RMII Ethernet MAC connection is fully available on this connector for use with an external RMII PHY magnetics and 10 100 Ethernet jack The RX63N RX631 MCUs have extensive I O multiplexers allowing one of many different peripheral functions to map to a given I O pin consult the RX63N RX631 hardware manuals for the complete list of options Severa
39. ithout replacement Consult the RX MCU data sheet or Contact Renesas for detailed assistance in calculating battery life expectations in your specific end usage model RTCC Real time Clock Temperature Compensation Like all timekeeping devices the RTCC will drift over time Few timepieces are perfectly accurate The drift and resulting inaccuracy are determined by the accuracy of the 32 768 KHz oscillator Temperature variance is the most common culprit crystals have slight variations in frequency over temperature The RX63x MCU Family RTC peripheral has a Time Error Adjustment Register RADJ which when combined with the Embedded GUI Solution Kit s on MCU and or on PCB temperature sensor could be used with custom software to improve the accuracy over temperature of the RTCC Contact Renesas for assistance if your application requires this level of precision in your specific end usage model 6 10 User Pushbutton Switch and LEDs The Embedded GUI Solution Kit has a single end user friendly pushbutton switch on the display side of the module near the LCD panel The switch is connected to an MCU input that is both a general purpose input and also an interrupt input that can wake the MCU from various sleep modes A front panel captive button or plunger can be positioned to actuate this switch There is no requirement for an end system to use this switch the enclosure may cover it completely and render it inaccessible if desired The Embedded GUI Sol
40. l signals on this connector are directly connected to signals on other connectors including 3V3 RESET 5V_EXT Ensure that common signal connections are appropriate or you may damage your kit or connected equipment 6 11 8 JTAG Connector The Renesas standard 14 pin debug connector allows simple connection to various debuggers and programmers including the Renesas E1 and the Segger J Link RX family included in this kit of debuggers A full description of the E1 interface can be found in the E1 E20 Emulator Additional Notes for RX600 Family Application Note 33 Chapter 7 Additional Information Further information available for this product can be found on the Renesas website at http am renesas com ddlcd General information on Renesas Microcontrollers can be found on the following website Global http www renesas com 34 Henesas Embedded GUI Solution Kit User s Manual LENESAS Henesas Electronics America Inc 2880 Scott Boulevard Santa Clara CA 95050 2554 US
41. ly adapt to the specific variant as well as accommodate any software visible differences between versions of the specific module A Do not write to the SST25VF064C s OTP region This region is reserved for manufacturing and configuration information Writing to this area may render the module unusable Size Location x Contents Bytes 0x00 0x07 g Unique Microchip SST25V064 Serial Number 0x08 0x09 2 0x0225 indicates Embedded GUI Solution Kit Version of hardware high nibble is major low nibble is minor For example 0x14 is v1 4 Variant of hardware 0x99 indicates the Renesas 0x 0B YLCDRX63N 0x0C 0x0F 4 Unique sequence number of this model variant 8 Reserved for custom OEM Serial Number 0x10 0x17 22 Location Contents Bytes Size 0x18 0x1F g Reserved for manufacturing information Locations 0x08 0x0F when combined form the unique serial number for the module All values are stored in Big Endian order Note that the MCU on the kit is normally operated in Little Endian mode so byte word swapping will be required to correctly interpret the data 6 6 Universal Serial Bus USB The Embedded GUI Solution Kit has a single USB 2 0 Full Speed 12Mbit s device or function capability The USB Device signals are also available on other connectors including the PCB Edge Connector and the Baseboard Connector when present The Embedded GUI Solution Kit has a USB 2 0 Full Speed embedded
42. mages and drawings to the screen On the Embedded GUI Solution Kit the external SDRAM can accommodate one or more full frame buffers for pixel data and under software control algorithms can draw into these frame buffers Delivering the pixel data from bulk frame memory to the LCD normally requires an LCD controller either as an external hardware circuit or built into the MCU The RX MCU without a dedicated LCD controller and with little external circuitry can deliver pixel data directly from external RAM to the LCD display This technology is called Direct Drive and can deliver excellent user interface experiences at low hardware cost 13 For a detailed explanation of Direct Drive operation consult the Renesas RX600 Series Direct Drive LCD Demonstration Application Note The concept is straightforward the RX MCU instructs the SDRAM to deliver the pixel data to the LCD panel at exactly the right frequency the dot clock so that each line of the screen is painted in the correct sequence and at the right time Typically this painting of the frame is done every 60Hz 16ms and the paint time is only about 8ms for the frame Therefore there is a blank time that represents about 30 5096 of the total 16ms frame time During the painting time the MCU software must not access the SDRAM as the MCU access can disrupt the timing of the data delivery to the LCD from the SDRAM and cause visible flickering and shearing on the LCD screen However
43. nd delivery of audio waveforms v Vendors such as Serious Micrium and Segger provide software solutions that can deliver audio 9 waveforms to this output Renesas also has example code for this feature 6 7 1 DAC Outputs The RX MCU has dual 10 bit DACs that can be used to generate a 3 3V P P signal suitable for further amplification scaling and filtering as an audio output source These two signals typically used to generate left and right stereo audio waveforms are called DA and DA1 24 The Embedded GUI Solution Kit exposes DA on the Power and Communications Connector as well as the 24 pin FFC Connector and the Baseboard Connector has both DA RX AUDIO OUT and DA1 RX GPI 02 allowing for mono stereo or dual mono audio output 6 7 2 Speaker Amplifier The Embedded GUI Solution Kit includes an on module high quality PUI 1308MS R speaker driven by a small but efficient Analog Devices SSM2301 750mW Class D Audio Amplifier Driven by the RX MCU s on chip Digital to Analog converter RX AUDI O OUT DAO P03 C2 and enabled via theRX AUDIO EN signal RX Port P02 B1 the speaker can drive reasonable quality and volume audio output for user prompting and feedback under software control An appropriate cabinet case design around the Embedded GUI Solution Kit is important in forming an audio cavity to improve volume and bass response ET When solely powered by USB Device Power 4 5 USBF there is insufficient power to drive the
44. nectors The Embedded GUI Solution Kit has numerous off module communication ports and connectors 26 Pin Baseboard Connector with extensive I O including SPI I2C CAN and high speed UART ports USB device connections Power input output GPIO DAO DA1 mono stereo audio and or general purpose DAC outputs PCB Edge Connector for high speed programming and MCU level debugging including SPI and high speed UART ports JTAG for connection with adapter to 14 pin Renesas El Segger J Link included in the kit and equivalent devices USB 2 0 device port shared with USB mini B connector if present USB Mini B Device Port USB 2 0 full speed device port USB Host Port USB 2 0 full speed embedded host port capable of supplying up to 150mA 24 Pin Flex Cable Connector with extensive I O including Reduced MII RMIT Ethernet connection SPI I2C CAN and high speed UART ports 7 Pin Wire to Board Power and Communications Connector Suitable for an inexpensive wire harness with latching plug connection UART 5V in 3V3 out and RESET 5 Pin Wire to Board LiPo Battery Switch Connector Suitable for an inexpensive wire harness with latching plug connection Connects to optional LiPo battery and low current power switch 14 Pin JTAG Connector For connection to standard Renesas E1 E10 and Segger J Link programmer debuggers 26 Pin Header Power USB Device GPIO UARTS 14 Pin E1
45. ns to be read by the MCU s analog to digital converters and translated with a software algorithm into a pixel hit position These four input signals are as follows Signal Description MCU Port TOUCH YB Y YB YDown AN000 P40 RQ8 DS TOUCH XR X XR XRight AN001 P41 1I RQ9 DS TOUCH XL X XL XLeft ANO02 P42 TOUCH YT Y YU YTop AN003 P43 Resistive touch layers are made from a highly resilient Polyethylene Terephthalate PET film and have the advantage of being robust and usable with a stylus finger or any blunt object Unlike typical capacitive touch screens resistive touch screens do not require the bare finger and can be used with gloves on important for certain medical industrial and automotive applications They also work well in wet conditions although appropriate caution must be taken to ensure liquids do not flow onto the kit or other circuitry Some chemicals especially but not limited to Ketone based products harsh cleansers and abrasive cleaning products can discolor and or damage the PET film To ensure long usable lifetime make sure end users are well informed on how to clean and maintain the touch screen One challenge with resistive touch layers is power applying power through the resistive layer is normally required to sense the change in resistance created when touched There are two very different modes where power is applied to the panel 1 basic is the panel touched and 2 actual s
46. o any PC USB hub or USB power supply the source must be able to supply 500mA 3 The demo should start and you can follow the instructions on the screen E Bsn If you are connecting to your PC you can ignore all of the messages regarding the requirements for a USB driver in order to simply power the unit communications with the module may require a driver Chapter 4 Specifications 4 1 DC Power Characteristics LCD USB LiPo Specification Backlight Host State State State Typ Max Units Input Supply Voltage 5V_USBF 475 5 00 5 25 V off off off 2543 tbd12 mA 100 off off 14113 tbd mA 100 on on 14113 tbd 2 any any any 500 Input Supply Voltage 5V EXT 4 35 5 00 5 25 off off off 2513 tbd12 mA 100 off off 14113 tbd mA 100 on tod13 tbd12 mA any any tbd Audio Permissible Range Input Supply Current 5V_USBF Input Supply Current 5V EXT Charging Current to LiPo Battery any any mA Notes Any additional external current draw from the module is in addition to this value At minimum voltage on supply At typical input supply voltage LiPo Status N not draining nor charging or not present C Charging D Draining 4 1 1 Subsystem DC Power Characteristics The amount of power necessary for Embedded GUI Solution Kit to function is highly dependent on how you use the various features of the kit especially the major power consumers If your application does not enable these
47. og timer 10 100 Ethernet MAC with MII RMII PHY connectivity Numerous SPI I2C CAN and high speed capable serial ports Data Renesas provides extensive documentation of the RX63N RX631 MCU family as well as example software consult this website In addition many community resources are available for RX family developers including the rxmcu and renesasrulz websites Note that on the Embedded GUI Solution Kit the MCU should normally be operated at 96MHz to ensure the clocking system can generate the appropriate clocks for SRAM USB and other peripherals 11 6 1 1 MCU Boot Modes Switch S4 and the USB Boot FLASH Three separate FLASH memory areas are available inside the RX MCU Program FLASH Data FLASH and USB Boot Mode FLASH as well as one Boot Mode ROM Three boot modes are available on the RX631 RX63N MCU family based on the state of the MD and P C7 pins when the RESET signal is released Depending on which of the three boot modes is determined at reset the MCU jumps to a corresponding start address for code execution MD PC7 Boot Mode Execution start after RESETH High X Normal Program Boot Mode Program FLASH reset vector Low Low ROM Boot Mode Start of Boot Mode ROM Low High USB Boot Mode Start of USB Boot Mode FLASH In normal Program boot mode the P C7 signal is completely available for program and system use However in the two special boot modes P C7 must remain fixed throughout the operation of th
48. s pulled low during reset and remains low disabled until the port pin is configured by software explicitly to drive high 20 The TPS61240 delivers 5V at up to 150mA to the USB Host connector and converts at about 9096 efficiency from the incoming power supply This 150mA is more than sufficient for most USB thumb drives and some keyboards and mice but is unlikely to be sufficient for non powered USB hard drives printers etc Keep this simple calculation in mind the kit power plus the power in the USB device attached to the Host connector cannot be greater than the input power 6 3 9 Clock Calendar Battery Power The Embedded GUI Solution Kit has a 20mm coin cell holder designed to accommodate a common CR2032 type 3V battery This is not designed to be a rechargeable battery nor does any circuit on the Embedded GUI Solution Kit supply power to charge this battery The only purpose and connection of this coin cell battery is to provide backup power to the RX MCU s Real Time Clock peripheral to keep the clock calendar running in the event that all other power sources are removed Consult the RX63N RX631 datasheet for exact specifications but this battery can potentially keep the clock keeping time for several years without replacement The RTCC circuit in the RX MCU automatically switches to use the coin cell power only when main power is not available so in a system that normally has main power applied the coin cell battery is used infreq
49. t The SPA100 PCB Edge Connector is not polarized or keyed Connecting it backwards may damage your kit Unless the appropriate jumper on SPA 100 is removed the USB Mini B Power input pin on the SPA 100 is directly connected to the USB Mini B power input connecting both simultaneously may damage your kit or even your PC Hub powering the kit SPA100 gt gt The PCB Edge Connector is not designed for live power insertion removal Ensure the power to the kit is off when connecting or disconnecting from this port to avoid damage your kit or connected equipment Consult the SPA100 documentation for more details and recommended usage guidelines 6 11 3 Power and Communications Connector The most common way an Embedded GUI Solution Kit is connected to another system is via the 7 pin wire to board JST SMO7B GHS TB LF SN connector When designing your own wire harness specify mating housing JST GHR 07V S with 7 JST SSHL 002T P0 2 crimp pins supporting wire gauges from 26 to 30 AWG Check the DC Power Specifications of the kit to ensure the gauge of wire selected is sufficient for the power required Signal Name Description in pplies 45V EXT Incoming 5VDC power pin see Power Supplies 433 Regulated 3 3VDC output from module see Power Supplies 2 RESET System RESET input and or output pulled high on the module 3 With SHIPEngine this functions as a 3 3V p p audio output DAC It is multi connected to an analog
50. th the optional Lithium lon Polymer LiPo battery the Embedded GUI Solution Kit may be able to operate for several hours untethered useful for brownout blackout avoidance or hand held operation The charge rate of the battery is limited to 950mA when charging from the external supply and 500mA when charging from the USB device port The Embedded GUI Solution Kit can be powered exclusively through the USB Device Function Power which comes into the module through the USB Mini B Device Connector and other connectors This is very handy for debugging and for demos and many readily available cell phone USB mini B chargers can be used As discussed this port should supply 500mA to power the board On the schematics this supply is denoted 5V_USBF 16 In the USB only powered mode the Embedded GUI Solution Kit s total power is limited to 500mA only the extra power not consumed by the kit will be available for battery charging This may result in long charge times Turning the Embedded GUI Solution Kit off via the PWRDWNH signal or turning the LCD backlight off will reduce the needed current by the kit and provide up to 500mA of current to charge the battery Normally when the Embedded GUI Solution Kit is incorporated in a production product it is powered from an external power supply most commonly through the Power and Communications Connector or the Baseboard Connector The 5V_EXT signal available on these and other connectors should be suppli
51. the MCU is free to manipulate and access the SDRAM during the blanking time Renesas software includes a special monitor tasks to lock unlock tasks needing access to the external RAM without disrupting the LCD operation Software that uses the external SDRAM must be written with the understanding that it is subject to frequent 8ms delays while the frame is being painted The overall advantage of a Direct Drive system is lower cost and circuit complexity With almost no external components no graphics controller no dedicated frame buffers no dual ported RAM or arbiters one can create a complete graphic LCD output very inexpensively with excellent visual results The LCD panel has two timing modes VSYNC HSYNC mode and DEN mode The Embedded GUI Solution Kit uses DEN mode which provides better Direct Drive performance and uses less pins and software overhead than VSYNC HSYNC mode In DEN mode the LCD s VSYNC and HSYNC pins are both always pulled inactive and the DEN signal when active indicates when data is being clocked into the LCD panel DEN is inactive a minimum of 45 clocks between lines allowing the 480 pixel line previously clocked into the chip to be driven to the screen DEN is inactive a minimum of 13 lines to signal that the next line is the beginning of a new 272 line frame 6 2 2 Touch The Embedded GUI Solution Kit includes a resistive touch layer bonded to the LCD display The layer can return an analog voltage in two dimensio
52. tional dimensions are as follows 0 81mm 082in 1 78mm 070in 6 5mm 256in nen P 330in 67 3mm Omm 2 650in Oin LXD PANEL PCB O A 3 63mm 143in 26 6mm 20 45mm 1 047in 805in 44 61mm 1 756in 14 83mm 584in The positioning of the LCD glass and various connectors are shown here for reference i 2 87mm 113in THRU Pga 116mm 4 567in c ec gc sc eu A so E ud Ss Ec E EJ ES 8 3 v Ea o es es ES B o D Bo amp s 58 Sk 55 o 59 89 so 59 5L e vo kaj o7 8 E Y 8 an Y Nu e ww N Som Le o g Li L D2 05mm O81in THRU j 40mm 1 575in eYaYeYe aYeYe aYayuaYeYa a aa aaa a m 2X LOCATING HOLES TYP 43 17mm NO 1 700in Miu l ias Siam O 2 54mm 1 614in 100in 28 42mm 1 119in Omm Omm 94mm z 3 701in oin oin i PCB PCB 2mm R2mm 079in 079in 432in D19 94mm 785in REF CR 2032 36 95mm BATTERY 1 455in 41mm 39mm 1 614in 1 535in 41mm 41 98mm 1 653in 1 614in 44mm 1 732in perro p cs g iS ez ez sz 53 Ez 532 H a E ez ea E 8 Ea E eo LL E a Eun g9 50 e 944 2 pS Mc a 9 7 ALA m ar EJ Chapter 5 Hardware Overview T Pin 24 Pin FFC Connector Power UART Power USB Device RMII Connector GPIO UARTS PCB Edge Connectors 26 Pin Header 14 PinE1 Tag
53. to charge the battery is dependent on many factors but the less power available to the charging circuit the longer it will take to charge the battery The BQ24030 has a built in safety timer that is set to expire at approximately 10 hours if the battery does not reach full charge in this time then charging will suspend and the BATSTAT LED will show the error condition STAT1 andSTAT2 both low The most challenging power environment occurs when the Embedded GUI Solution Kit is solely powered by the USB device port with a 500mA 2500mW limit With the backlight fully on and the MCU running nearly all the power budget is consumed leaving insufficient power for the audio and USB host subsystem never mind charging of a LiPo battery In typical conditions a battery can be charged albeit slowly With the backlight off or accounting for typical conditions this leaves some power to charge a battery and with the MCU system off via P WR DWN nearly all 2500mW are available to charge the battery However it is clear that through software the system designer should avoid using the audio and or USB host subsystems when only powered by the USB 18 device port Note that if a partially charged battery is installed in the system the BQ24030 can augment the USB power with battery power allowing temporary use of for example the audio subsystem Power and Charging States and Signals The BQ24030 has two status signals STAT1 STAT2 that reflect
54. ttery terminal on Embedded GUI Solution Kit s BAT 4V2 with LiPo support a PO1 RXD6 General purpose I O and optional UART Rx PO1 RXD6 P33 GPI 03 General purpose I O P33 GPI 03 45V EXT Main 5VDC Power Input see Power Supplies P321 GPI 04 General purpose I O P321 GPI 04 P00 TXD6 General purpose I O and optional UART Tx P00 TXD6 PCO SSLAL PC0 SPI Slave Select 1 PCO SSLA1 GND Ground GND User Switch P07 SWI You can design your own adapter with the 40 pin Samtec MEC6 120 02 L D RA1 TR mating connector There is no Samtec standard mating connector to use pins 29 40 without also connecting to pins 1 20 L A lilo 4 Li LI Serious Programming Adapter SPA100 The optional Serious Programming Adapter SPA100 is an inexpensive programming USB cable adapter for use with the Embedded GUI Solution Kit with the PCB Edge Connector Features include SETOLI e Samtec MEC6 110 02 L D RA1 TR 20 position mating connector for the PCB Edge Connector e Standard Renesas 14 pin JTAG header allowing simple connection to various debuggers and programmers including the Renesas El and the Segger J Link family A full description of the El interface can be found in 30 the Renesas E1 E20 Emulator Additional Notes for RX600 Family Application Note e Power jumpers so the USB Mini B connector can supply or not the power to the unit e DIP Switch to put the Embedded GUI Solution Kit in Renesas USB Boot Mode e Low cos
55. uently See the Clock Calendar section for more information 6 4 Memory 6 4 1 Serial FLASH All Embedded GUI Solution Kit family members include the SST SST25VFO64C serial FLASH a 64 megabit 8 megabyte device with 2048 4KByte erasable blocks as well as a built in 64 bit unique serial ID and 192 bits of OTP ID space kuj Some family members contain two devices a primary and secondary device Both are connected via a dedicated SPI port to the MCU to optimize data transfers especially when images need to be retrieved and delivered directly to the display memory The serial FLASH devices are connected to the RSP I 0 port of the RX MCU doigt FLASH MCU Name Signal Name SPI data MCU gt FLASH PC6 MOSIA SPI data FLASH MCU PC7 MI SOA Description SPI FLASH clock PC5 RSPCKA Primary FLASH slave select X CS PC4 SSLAQ Secondary FLASH slave select A SIEATI See the SST25VFO64C data sheet for hardware specifications and programming details and the Renesas RX data sheet for information on the SPI master port configuration The primary serial FLASH also contains factory programmed information including the serial number of the unit as well as variant version information 21 6 4 2 SDRAM The Embedded GUI Solution Kit includes a Micron MT48LC8M16A2P 16 megabyte SDRAM with a 16 bit data bus configuration With the RX MCU operating at 96MHz the SDRAM can operate at 48MHz The RX MCU s built in SDR
56. ut touch 350cd m The LCD display has no on glass frame buffer or memory The MCU is responsible for delivering pixel data at a specific frequency to the LCD display as well as various clock signals otherwise the display will not function correctly and will not display a stable image No valid image is possible unless the MCU is operating and under software control the MCU is delivering pixel and timing data to the LCD display continuously The LCD display in absence ofa valid signal from the MCU may automatically enter self test mode and display various cycling test patterns The LCD backlight is enabled when RXP11 BLEN is driven high which turns on the backlight power boost circuit driving approximately 16 5V to flow to the backlight LEDs on the LCD This enable signal has a weak pull down so the backlight is off until the MCU pin is initialized including during and directly after system RESET Software algorithms can PWM this pin to enable backlight dimming A PWM driven by a typical 1 KHz clock with 16 PWM steps for a PWM net frequency of 64 Hz is generally sufficient and flicker free with duty cycles from 0 to 10096 In no circumstances should the PWM clock exceed 16 KHz 6 2 1 LCD Direct Drive Since the LCD display has no on glass frame buffer pixel data must be held in memory and streamed continuously to the display hardware This memory must also be MCU accessible in order for software to draw into the frame buffers and transfer i
57. ution Kit has two bi color red green LEDs placed on front of the display side of the module A bi color LED is actually two independent LEDs in one package the LED on the Embedded GUI Solution Kit has red and green LEDs that when both are on have an amber hue Typically a plastic or metal front panel enclosure will expose this LED through a plastic light pipe for example the BiVar PLP1 125 F There is no requirement for an end system to expose this LED The enclosure may cover it completely and render it un viewable if desired Signal Description MCU Port S W1 Switch Input active low P07 LEDRR LED Right Red P90 LEDO LEDRG LED Right Green P91 LEDI LEDLR LED Left Red P92 LED2 LEDLG LED Left Green P93 LED3 6 11 Connectors 6 11 1 Baseboard Connector EGE raan While the 7 pin Power and Communications Connector is the most common way to connect an external system to the Embedded GUI Solution the Baseboard Connector is one of the most flexible off module connectors available and exposes many more signals Often a simple 2 layer PCB daughter card will be attached to the Embedded 2 GUI Solution Kit using this connector to adapt the Embedded GUI Solution Kit to a particular system environment For example you can implement RS485 transceiver plus 12 30VDC switching power supply daughter card that could connect to a powered RS485 network cable driven by a Programmable Logic Controller PLC The signals available on th
58. wer Supplies There are up to three possible sources of system power for the Embedded GUI Solution Kit Power Signal Description Connectors Where Present e Power and Communications Connector e Baseboard Connector SV EXT Aen EDO MEE e FFC Expansion Connector e PCB Edge Connector e LiPo Battery Switch Connector e USB Mini B Device Connector e PCB Edge Connector T9 V USBF USB Device Power e Baseboard Connector Lithium Polymer Battery 4 e LiPo Battery Switch Connector VBAT 4V2 e Baseboard Connector Charging Power Terminal Both the V EXT and 45V USBF can be supplied simultaneously While all power signals can be supplied simultaneously to the kit each signal can only be driven from a single source Connecting more than one power source to the same signal simultaneously may damage your kit or even connected equipment 6 3 1 5V MAIN on LiPo On this kit the Texas Instruments BQ24030 Dual Input Li lon Charger with Dynamic Power Path automatically delivers 3 6 5VDC to the 3 V MAI N main system power line from one or more of the following supplies in this order 45V EXT 45V USBF VBAT 4V2 The actual usable voltage on the 5V MAIN signal will range from 3 08 the reset voltage to 5 0V When powered by 5V_USBF or 5V_ EXT it will be at or near 5V and when powered by the LiPo battery supply BAT_ 4V2 the 5V MAIN signal will reflect the current battery voltage between 3 08 and 4 2V typically When operated wi

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