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LPC3152 OEM Board User`s Manual

1. SD MMC Voltage measurement Trimming Power pads and potentiometer Accelerometer LED Power LED Reset push button for analog LED13 and Reset LED input C AS TA U f 1 Mos EE deem 1 D Ot CTS i 1 Q i O Elle exo B 1 1 1 1 es TxD ES a CODAD D qoz a a xsee c Pouer input Comer fun orn ne a 9 15UDC 50On DEN Bo e cocoa ol fi BVBA cia any polarity i l duli n dE fone a Iu n HO gus E a NUT ISS 08 Cal Un n ATTENTION eee in pni pn L ge len n uon ESD TUN TION 9ooo Rre 1251 u i some A bi n DE PUR ggg 9 oon peers Detect amp mamo 2wWff tn expansion aft 1r Baart 002 em 8 QUBA LCD Expansion Connector 2 h m Connector J 2 a o S Bd OQ r 2 4 leson He 3 EE sora tog wg Disable i A H a z 3 3U ARM debug J44 a n B CO 1 E g a a hi i A 2 NIE ME a eye ao a USB VBUS ae LPC31xx OEM Board sel za i O 5 I S g LPC3ixx Base Board v2 0 7 5 ELE LED Rm t pol C 2009 Embedded Artists AB 7 5 LED4 a ol E uuu EmbeddedRrtists com H oua El a IK wore em rn E o Re Es Fal enapie Emerme s a HE UP Be Tx o T FELL uem aa EPE on H Isle a TES ait Pes 53 m emp
2. LPC3152 Developer s Kit User s Guide Copyright 2012 Embedded Artists AB LPC3152 Developer s Kit User s Guide Socket for XBee wireless module 4 Dk di loves to ser WERTE 954 AA wn oN eC P PUR TRE im 2 J v 2 2852 412 en Yano Disab ARM debug J11 oa na na nt ma a Ie me uo2 sisnagpeppequ3nnn 3 gy Sisuag Pappaqu3 48 O4 U0D payesbayur yin Z ZA 021 131 OrZzxa9uxeaze OcLock OUT Expansion Connector J2 280Z 80071 t BO0T2 Get Up and Running Quickly and Start Developing Your Applications On Day 1 Pa Embedded Artists EA2 USG 0902 Rev H LPC3152 Developers Kit User s Guide Page 2 Embedded Artists AB Davidshallsgatan 16 SE 211 45 Malm Sweden info EmbeddedArtists com http www EmbeddedArtists com Copyright 2005 2012 Embedded Artists AB All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without the prior written permission of Embedded Artists AB Disclaimer Embedded Artists AB makes no representation or warranties with respect to the contents hereof and specifically disclaim any implied warranties or merchantability or fitness for any particular purpose Information in this publication is subject to ch
3. j800T2 connect to the DFU device that the H L LPC3152 implement in boot mode This application is used to download the boot image Note that a special format of the boot image must be used For a description of how this could be done see further down in this section NAND flash GPIO2 BOOT2 The boot image is stored on the NAND n zt flash a I B00TO The boot image is downloaded into cp OG NAND flash with the help of a special ea u u nl800T2 loader application At the time of H L writing no such application has been created Read section 4 6 about NAND boot issue when using QVGA display and Ethernet controller on LPC31xx Base Board 5 3 2 Creating a Boot Image Note that this section describes how to create a boot image for the LPC313x family The principles are exactly the same for the LPC315x family and the exact same conversion program is used even though the somewhat bad naming of the program The first step is to create a pure binary file This is normally done from the build output file often an elf or elf compatible file Under a GCC environment the command to create a binary file named pc313x bin is arm elf objcopy l1 elf32 little O binary strip debug strip unneeded verbose lt input file gt Ipc313x bin Under uVision Keil s IDE the command to create a binary file named pc313x bin is as shown below The input file is in this case ty
4. 38V id De 4 1 B al Bonnano 1 ar g Disable H 1 a z 3 3U JTAG ARM debugJ44 m 1 O a J9 pm a IATER oim ki a 1 Loa gt aoa a 1 E s o a 1 t iS LPC31xx OEM Board j fife a in O ae 1 t 8 E LPC3xx Base B v2 0 5 0 EL S nog tell lt C 2009 Embeddd artists AB F m ot n H tl Ke wuu EmbeddedArt Com m I mn a c og a USB Host zalen ape NAND_RYBNS lt INT Hm Rx y xo enable enerner a a EP AI J15 wills e bla to i x ee RS232 XBee la E g5 16 a 8 E 52 3 HE al f a l E DDR STD Qi Pa En ded 499 fla n um ba a ub UBB to URRT idge ls PO AINS amp CLOCK_OUT are P 7 ECO OL Expansion Connector J7 os a i i iz as e wc 2u o o WO MOS HOS HOS nnn nn Es 1 1 5 lo tonne ee en see eee as E Z x 102_B0072 a H L CC E e USB OTG 3 a i stop x a n n PLAY Cora Es 00H d Pn RTC_INT J17 CU o er OO O ra 5 IZSRX S8 S RBUE EN a 1 Doo 0 E mee U xx I2SRX_DATA OBUF_EN v x wv xr BATTERY H L Play 1 Ena DTP ct LEDS LED6 le LEDS LED1 LEDi1 LED12 Battery connector SODIMM Expansion Expansion QVGA display RJ45 USB serial X2 connector J7 J8 J37 Ethernet J25 XI J56 Figure 5 LPC31xx Base Board External Connectors Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 25 4 5 Important Components Figure 6 below illustrates the position on the LPC31xx Base Board for some important components in the design
5. B ai 1i B00To a a ea BOOT ta J800T2 H L SPI NOR flash GPIO2 BOOT2 B z 1 rn a I BonTO t 5 s BOOT1 me f 800T2 H MMC SD The boot image is downloaded via the UART The download format is 115 2 kbps 8 data bits no parity and one stop bit 8N1 It is recommended to download a CRC check boot image since there is no flow control or handshake mechanism implemented in the UART protocol Note that no jumpers need to be set for this boot mode since this is the default However it is good practice to set the jumpers anyways since future revisions or special versions of the LPC3152 OEM Board might change default boot mode The boot image is stored on the SPI NOR flash A CRC check boot image should be used The boot image is downloaded into SPI NOR flash with the help of a special loader application For a description of how this could be done see further down in this section The boot image is stored on a MMC SD memory card See the LPC3152 User s Manual from NXP for details about how to format and prepare the memory card Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 33 USB DFU class GPI02 BOOT2 The boot image is downloaded via the USB by utilizing the DFU class Device Firmware Upgrade _B al T Bnaro a a Ei E ff B00T1 A Windows application exists that sa
6. 21 42 3 NAND Booting 21 42 4 USB Host applications power supply 21 42 5 USB Host applications over current sense 21 43 Jumpers 22 4 3 1 Default Jumper Positions 23 4 3 2 Illegal Jumper Combinations 23 44 Connectors 24 45 Important Components 25 46 NAND Boot Problem Fix 26 5 Getting Started 28 5 1 Initial Setup and Powering 28 5 2 FTDI USB Driver 28 5 2 1 USB Driver Behavior 31 5 3 Booting 31 5 3 1 Jumper Settings 32 Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 4 5 3 2 Creating a Boot Image 33 5 3 3 Booting via UART 35 5 3 4 Booting via SPI NOR flash 36 5 3 5 Booting via USB DFU class 36 5 3 6 LED on GPIO2 38 5 3 7 Booting via NAND Flash 38 6 Further Information 39 Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 5 1 Document Revision History Revision Date Description A 2009 05 25 Original version B 2009 09 09 Added known issues section 4 2 2 and 4 2 3 information about H_L_CC jumper and information about NAND boot and LCD Ethernet problem Added section 5 3 6 C 2009 11 27 Changed title of manual to Developer s Kit manual Replaced earlier section 5 3 6 with new section about NAND boot and LCD Ethernet problem section 4 6 D 2010 07 05 Added information in section 4 2 about things to note about the LPC31xx Base Board SD card detect logic USB Host powering E 2010 11 15 Updated information about NAND
7. 4096 52 BM Options Miscellaneous Options Select lower settings to correct response problems Serial Enumerator Serial Printer Latency Timer msec 16 Cancel If Power Off r Timeouts Event On Surprise Removal SetRTS On Close Disable Modem Ctrl At Startup Minimum Read Timeout msec Minimum Write Timeout msec Figure 13 Advanced USB Serial Port Properties Dialog Finally it is time to test if you have successfully installed and configured the USB Serial Port Start a terminal program for example TeraTerm Connect to the correct COM port with 115200 bits per second 8N1 no flow control 5 2 1 USB Driver Behavior Sometimes the USB COM port does not enumerate properly when the board in connected to the PC This is a known feature of the USB driver If you experience this problem just unplug the board shortly and then plug in again A new COM port that can be accessed properly should be created the second time This problem may occur after every time you start i e power cycle your PC 5 3 Booting The processor will start its code execution from an internal ROM containing the boot code This code determines the boot mode by sampling the reset state of the pins GPIO0 GPIO1 and GPIO2 Multiple boot options are supported e Booting from different sources SPI flash NAND flash SD SDHC MMC cards UART and USB DFU class interfaces e Option to perform CRC32 checking on the boot image The boot co
8. read out chip id and determine type 3 2 1 5 Reset Generation The reset generation is handled by a standard voltage supervisor chip CAT811R from Catalyst Semiconductor The reset signal will be held active i e low until the supply voltages 3 3V is within margins above 2 63V The reset duration is typically 200 mS consult the CAT811R datasheet for exact details The output reset signal is push pull output that is converted to an open collector open drain output via the 74LVC1G125 buffer An external reset source can pull the reset signal low with an open collector open drain output 3 2 1 6 12C E2PROM There is a 256 kbit E2PROM accessible via the 12C interface The LPC3152 has two on chip 12C communication channels Channel 0 is available externally and is used for communicating with the E PROM More peripheral units are easily connected to the two wire 12C bus just as long as the addresses do not collide The address of the 256kbit E2PROM is OxA0 which is also indicated in the schematic There are 1 5 kohm pull up resistors pull ups are always needed on 12C busses included on the board on 12C channel 0 Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 12 12C channel 1 is internal for communicating with the analog part of the chip It is not available externally 3 2 1 7 USB Interface There is a high speed USB 2 0 OTG Host Device interface with on chip PHY on the LPC3152 N
9. select connected device E Device Firmware Upgrade Application V2 2 Step 4 select boot image List of devices connected and supporting the Device Firmware Upgrade DFU Class DEVICE IS IN DFU MODE I you don t know wich device to select unplug plug the device you want to upgrad m File C TMPSBINARIES EA_ACC_DEMO_USB ROM Download Port 0004 Hub_ 0008 C Upload Step 6 download Device Information Device supports Download Device does not support Upload Figure 18 Device Firmware Upgrade Application Screenshot la e E i i goin i Qn is og Em mod H i a LPC31xx DEM Board vt EE 5 a i ad 4 o E 5 B a a at E g M m DDR STD A e a 8 AINS amp CLOCK_OUT Expansion Connector J7 USB EN EEKE EEE lso 50 EE connector o 5 GPIO2 BOOT2 a a H L CC a il eroe moan n n PLAY BOOT J17 for gee BOOTL O B ef sarc LA G et Bo0T2 ma I2SRX HSO JABUF_EN USB Boot ur uuu m Gs 125Rx_oATAO Josu EN ay Figure 19 LPC31xx Base Board USB Connector to LPC31xx OEM Board Copyright 2012 O Embedded Artists AB LPC3152 Developers Kit User s Guide Page 38 5 3 6 LED on GPIO2 The boot code will signal any error during boot proc
10. that there is no guarantee for a certain brand or version of memory chips SPI NOR flash parallel NAND flash and SDRAM The lifetime of memory chips is limited and availability can also be limited from time to time Embedded Artists make every effort to mount the original design chip on the board In case that is impossible a compatible chip will instead be mounted without any prior notice There can be small programming differences between mounted brands The application program shall always read the chip id of flash devices to make certain which chip is actually mounted on the board The support page contains datasheets to the different memory devices and information about mounted devices on different board versions Copyright 2011 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 18 4 LPC31xx Base Board Design This chapter contains detailed information about the electrical and mechanical design of the LPC31xx Base Board version 2 0 The difference between v1 1 and v2 0 is that a 100 10Mbps Ethernet interface was added in v2 0 This new functionality is found on page 8 of the schematic The differences between version 1 0 and v1 1 are very small and can be seen on revision comments on the first page of the schematic The schematic can be downloaded in pdf format from the support page and is recommended to have printed out while reading this chapter The LPC31xx Base Board contains a number of interfaces and connectors to th
11. v2 0 UDA1380 12S codec with mic in line in line out and headphone out b key joystick via 12C 3 axis accelerometer 8 LEDs via 12C Trimming potentiometer analog input USB to serial bridge on UART FT232R RS232 alternative interface on UART XBee RF module alternative interface on UART note that XBee module is not included in bundle Reset push button and LED 205x135 mm in size 2 2 ESD and Handling Precaution Please note that the LPC3152 OEM Board and LPC31xx Base Board come without any case box and all components are exposed for finger touches and therefore extra attention must be paid to ESD Electro Static Discharge precaution Make it a habit to always first touch the metal surface of one of the USB or SC MMC connectors for a few seconds with both hands before touching any other parts of the boards That way you will have the same electrical potential as the board and therefore minimize the risk for ESD Never touch directly on the LPC3152 OEM Board and in general as little as possible on the LPC31xx Base Board The keys on the LPC31xx Base Board have grounded shields to minimize the effect of ESD Note that Embedded Artists does not replace boards that have been damaged by ESD In case you have also connected the QVGA Display Module to the LPC31xx Base Board do not exercise excessive pressure on the LCD glass area That will damage the display Also do not appl
12. vendors It could also just as well be added to a makefile for example when developing in a GCC environment 5 3 3 Booting via UART When booting via UART a terminal program on a PC that can send binary images must be connected to the LPC3152 UART channel The USB to serial bridge can be used to connect to the LPC3152 UART channel Alternatively the RS232 interface can be used directly Make sure the jumpers on the LPC31xx Base Board are correctly set for the interface option selected Terminal setting is 115 2kbps 8N1 The boot code will output the following string over the UART channel LPC31xx READY FOR PLAIN IMAGE The download of the binary file should start within 2 minutes from this message When the boot image is downloaded the following string will be sent from the boot code Download finished Execution of the downloaded boot image will begin immediately after this The picture below illustrates how it typically looks in the terminal program Download finished LPC31xx READY FOR PLAIN IMAGE Figure 16 Terminal Output for UART Boot Note that the boot image must be 128kByte or less for LPC3152 Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 36 5 3 4 Booting via SPI NOR flash When booting via SPI the boot image is downloaded from the SPI NOR flash into LPC3152 internal RAM immediately after reset Execution is also started immediately after download No message
13. 000 gt Waz32 XSee MGSO a P ou S 15UDC 500m odii PERE ERRE d l on iius WBA cia any polarity gt ine cine nea E 1 dul Mie E dee pies a iS D f wireless module Ya col col j mg va TENTION OO o Cal A E j 12 wo codec a ENS Doo CEL oo zo B d Detect B 1 G an too 3 oo 2 6ND altho Qe eee eee om on on ics s ras acad nooo ook 68 i EM e TEEN 5 Caf Povpr a E og O E porras wwe em ee amame A a id i n i Pe QVGA interface ae or G Disable ai d 139 138 z 33 ebug i EN Gh tf Current monitor elf Connect QVGA display I y 5 e in Ht to memory bus and SPI DI oye o y g Insert to power sodimm ard arl bus for touch panel zr E O 8 EX board with VBAT al EPC Base Board v2 0 EER S n aoa lt C 2009 Embedded Artists AB E 5 ss wuu EmbeddedArtists com a se NENNEN Current monitor ero a xe 5 5 SEE p RERS Insert to power Elf ns23 f Gee a6 z0 zl Ph a H sodimm board with 5V a dg az amp X9 gt m ec E bw vex ap D abg ti Ethernet FLke to et Bridge A Sam O CLOCK_OUT a Buffer powering bl lide Expansion Connector J7 JA enable l 2 din I J55 a E ss ye nsert to power id 1 1 z lo SES 5 y z buffers on sodimm 4 NEG GPI02 B00T2 ra L CC EM g a Gau pioa ft os board with 3 3V Go aes Yep ra ART E e Lu a E e nee O e suse Ge e your eN co ooo 0 0 5 SEE V ps VIGATO EEN Y nor oy BATTERY Play 1 fna ctrl LEDS LED6 LED LEDS LEDS LED1 LEDii LI USB Host always UOS_
14. A6 MLCD DB7 EBI A7 MLCD DB8 EBI A8 MLCD DB9 EBI A9 MLCD DB10 EBI A10 MLCD DB11 EBI A11 MLCD DB12 EBI A12 MLCD DB13 EBI A13 MLCD DB14 EBI A14 No usage MLCD DB15 EBI A15 Connect to QVGA display module connector and DM9000 Ethernet interface Copyright 2011 Embedded Artists AB EBI DQMO NOE EBI NWE LPC3152 Developers Kit User s Guide Page 20 Connect to QVGA display module connector and DM9000 Ethernet interface MLCD CSB EBI NSTCSO Connect to QVGA display module connector MLCD_DB1 EBI_NSTCS1 Connect to DM9000 Ethernet interface EBI_NCAS BLOUTO No usage EBI_NRAS BLOUT1 NAND NCS1 No usage NAND NCS2 NAND_NCS3 MNAND_RYBN1 MCI_DATA5 MNAND_RYBN2 MCI_DATA6 MNAND_RYBN3 MCI_DATA7 ADC_MIC ADC_TINL ADC_TINR ADC_VINL ADC_VINR HP_OUTR HP_OUTL Connect to 3 5mm audio connectors RTC_INT RTC_CLK PSU_PLAY PSU_STOP CHARGE_VNTC CHARGE_BAT_SENSE RTC_INT can be connected to PSU_PLAY via jumper PSU_PLAY can be connected to push button CHARGE_BAT_SENSE available on battery connector ADC_REFP Used as references to generate analog signal from trip pot ADC_REFN JTAG signals Connected to standard ARM 2x10 pos JTAG connector RESET_IN Connected to Reset push button and LED 4 2 Known Limitation of LPC31xx Base Board 4 2 1 MMC SD Memory Card Detect Signal J13 J13 is not assembled on LPC31xx Base Boards version 1 1 Instead a 3K r
15. AM Using signals RAS CAS DQMO DQM1 CLOCKOUT CKE etc e _ Static memories or general peripherals Using signals OE WE BLOUTO BLOUTI etc e NAND Flash memories Using signals CLE ALE etc Many of the signals are multiplexed on the same pins The memory interface operates at 1 8V level which minimizes power consumption 34 1 1 Memory Layout The external memory controller on the LPC3152 defines a number of memory regions as listed below e External SDRAM bank 0 0x3000 0000 0x33FF FFFF 16 bit databus width and 64MByte in size e External SRAM bank 0 0x2000 0000 0x2000 FFFF 0x2001 FFFF 128 kByte in size for 16 bit databus width and 64 kByte in size for 8 bit databus e External SRAM bank 1 0x2002 0000 0x2002 FFFF 0x2003 FFFF 128 kByte in size for 16 bit databus width and 64 kByte in size for 8 bit databus e NAND band 0 3 accessible via NAND flash controller not directly via memory address Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 13 The LPC3152 OEM Board uses the external SDRAM bank 0 as well as NAND bank 0 It is mainly the two external SRAM banks that are available for the off board external memory interface of the LPC3152 OEM Board Chip select signals N STCSO and N STCS1 are free for external use via the buffered memory interface Both the address and the data busses are buffered 3 4 1 2 SDRAM A 512 MBit 64 MByte Mobile SDRAM is used MT48H32M16LF from
16. DBUF_EN jumper pin 1 2 on J40 is inserted on the LPC31xx Base Board See Figure 8 to locate DBUF_EN jumper on the LPC31xx Base Board After NAND flash boot is completed the active level changes for the signals N_STCSO and N_STCS1 Their inactive state is then high and their active state is low just as expected for memory bus chip select signals There is unfortunately no way to detect when the NAND boot process is complete There are however two workarounds for this problem 1 Remove the DBUF EN jumper during the boot process and then insert the jumper again in order to use the QVGA and Ethernet functionality on the LPC31xx Base Board Mo om i only in olm DON RIA A CLOCK_OUT Expansion Connector J7 puo DBUF_EN jumper pin 1 2 on J40 H_L_cc m E STOP E PLav OO UE E a Bonta u BOOTL O E RTC_INT an E Ss 99 OO a es s e 12snx_ uso I25RX DATRO N amp JABUF _EN s pBur EN Leos LED amp LE Figure 8 DBUF EN jumper location on LPC31xx Base Board Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 27 2 Replace U11 74LVC1G08 the AND gate found on page 6 of the LPC31xx Base Board schematic Replace it with a XNOR gate The AND and XNOR gates have the same truth table except when both input signals are low For the XNOR gate the output is high when both inputs are low This will also solve the problem since the d
17. H LOW CC low This signal is controlled from the PCA9532 I2C port expander Pulling the signal low will place R5 in parallel with R8 resulting in a resistance of 404 ohm Note that the signal HIGH_LOW_CC should only be low or high impedance It should never be driven high Battery voltage sensing The battery voltage is accurately sensed via the CHARGE_BAT_SENSE pin signal called VBAT_SENSE in the schematic The sense point should be as close as possible to the battery in order to remove the effect of voltage drops VNTC sensing for guarding the battery temperature An NTC resistor can be used to monitor the battery temperature A cold temperature limit is set to about 25 of VBUS voltage and a high temperature limit is set to about 6 There is a small hysteresis implemented also The table below lists the temperature thresholds resulting when R4 56 kohm and R7 82 kohm A 10k NTC from Vishay Dale is place in parallel over R7 The NTC should be placed on the battery and connected to signal CHARGE_VNTC and GND Low off Low on High on High off NTC curve 4 C 7 C 49 C 51 C NTC curve2 1 C 5 C 52 C 56 C 3 1 1 4 Real time Clock The LPC3152 contains an internal real time clock RTC block that can be used to provide actual time and alarm function The 32 768 kHz crystal gives the base frequency for the RTC The output RTC_INT can be used to wake up the chip at regular points of time This output is normally
18. Micron The chip is powered by 1 8V and is organized as 32Mbit x16 i e it has 16 bit databus width The chip occupies the only available memory bank for dynamic RAM at address range 0x3000 0000 Ox33FF FFFF 34 1 3 NAND Flash A 2 Gbit 256 NAND flash is used MT29F2GO8ABDHC from Micron The chip is powered by 1 8V and has 8 bit databus width The NAND flash builds on a single level cell SLC technology and has a page size of 2112 bytes 2 048 64 bytes The chip is connected to NAND bank 0 Note that the chip is not directly accessible via the memory bus Instead all accesses must be done via the on chip NAND flash controller of the LPC3152 Embedded Artists can choose to mount a different brand of NAND flash dependent on component availability at the time of production The application program should always read out the NAND flash chip id and determine type and features 3 4 1 4 Buffers to External Interface The LPC3152 memory interface is available on the expansion connector The data bus width is 16 bits on the external interface The relevant signals are buffered The buffers are disabled by default unless enabled by external signals By pulling signal N ABUF EN low the two buffers for address and control signals are enabled and act as outputs from the LPC3152 OEM Board The data bus buffer is controlled by the signal N_DBUF EN By pulling this signal low the data bus buffer is enabled The buffered version of the LPC3152 sig
19. PPPPIIPII Step 2 Download of the actual boot image EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE PIf 5s59s9559 2f92 29 92PfPPPPPPPPPPPPPPPPPPPPPPPIPPPPPPPPIPPPPPPPIPPPPPPIII f ff f fffDone Figure 17 Terminal Output for download of an image to SPI flash Note that the SPI boot image must be 128kByte or less for LPC3152 5 3 5 Booting via USB DFU class When booting via USB a special PC program must be used to connect to the DFU device that the boot code implements in the LPC3152 Follow the list below to download a boot image Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 37 1 Connect a USB cable mini B to A from your computer to the LPC31xx Base Board Note that it is the LPC3152 USB connection that should be connected to not the UART to serial bridge on the LPC31xx Base Board See Figure 19 for an illustration where the correct USB connector can be found 2 Install DFU drivers available on the Embedded Artists support site 3 Start the DFU application DFUAPP exe The connected LPC3152 can be seen in the list of devices 4 Selecta file to download named usb rom in the pre compiled applications available on the Embedded Artists support site 5 Warning about the file not containing a suffix can sometimes be generated Just ignore such messages and click Yes to continue 6 Select Start Download Step 3
20. TS SPI CS OUT2 Can be connected to RS232 interface or XBee module I2SRX DATAO Can be used to detect presence of 5V I2SRX WSO0 Can be used to detect USB power switch over current status Copyright 2011 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 19 I2SRX_BCKO No usage 125TX_WS0 I2STX_CLKO I2STX_DATAO Can be used to control powering of MMC SD memory card interface I2STX_BCKO Can be used to detect MMC SD memory card presence GPIOO Can be connected to jumpers for controlling boot mode GPIO1 GPIO2 GPIO3 No usage GPIO4 Can be used as QVGA display touch screen controller interrupt pin GPIO5 Can be used as MCI CLK MMC SD interface GPIO6 Can be used as MCI_CMD MMC SD interface GPIO7 Can be used as MCI_DATO MMC SD interface GPIO8 Can be used as MCI DAT1 MMC SD interface GPIO9 Can be used as MCI DAT2 MMC SD interface GPIO10 Can be used as MCI DAT3 MMC SD interface PWM DATA Can be used to control backlight intensity on QVGA display ADC10B GPAO X output from accelerometer ADC10B GPA1 Y output from accelerometer ADC10B GPA2 Either z output from accelerometer or trim pot CLOCK OUT No usage EBI DO EBI D15 Connect to QVGA display module connector and DM9000 Ethernet interface MLCD_AO ALE MLCD_A1 CLK MLCD DB2 EBI A2 MLCD DB3 EBI A3 MLCD DB4 EBI A4 MLCD DB EBI A5 MLCD DBO EBI
21. VBAT Boot select Optional Enable buffers se ea 716 123 320 319 18 Connections J40 A s insert to always Select source for Left pos pull high J14 Insert to enable Upper pos UART to RS232 XBee force USB Host UOS_VBAT Right pos pull low external memory bus Lower pos UART to USB to serial Figure 3 LPC31xx Base Board Jumper Positions Copyright 2012 Embedded Artists AB bridge LPC3152 Developers Kit User s Guide Page 23 4 3 1 Default Jumper Positions Figure 4 below illustrates the default jumper positions as mounted when the board is delivered from Embedded Artists T T T T po ce 1 1 1 1 Moo 5E rs z I 9 el oo Olaf 1 1 1 Q 5 y VO oc OL u E35 po LK TxD nt ti ar s 135 EEK zo UART xBee Audio connec 9 a nt jo neo Su ur eso n a Pouer input aco 5 EN ES n S 15UDC 580n Codec DEM Board Le baars ans oo a E s A DUBA cta any polarity Line ci m wireless module me Es prone ii mE LJ a Ao ausa te spi En UM UI es dE es oo e ATTENTION BELLE AES rud rn F5 pus P ESD PRECRUTION Y nr ORY EEF INE gus n si SD MMC gy I 40 LS a BUR a cens Detect a 110 3 201 5 A s S AING Al ELEELE LESO r mEn alien Len Empatelon Conneticr D ta Con
22. a OI DDR STD Pa Embedded ESA g n Artists a ala Elba to RT Bridge O a AIN3 O CLOCK_OUT ibis E doo z Expansion Connector J7 E En 2 ae s eee WO nn nn e 1 1 lo I T a 5 a oOo foo GPI02 B0072 a H_L_CC I a a a EE nar tf sToP RE cop ENE 5 e Epeen IG 33 3 333 quu eo T z u 12SRX_USO ABUF_EN Y AI OO a aren surten Ky gk x so TTERY L Play Ena OTP ctrl i LEDS LED LED7 LEDS LEDS LEDIO LED14 LED12 Current monitor outputs J2 amp Figure 6 Copyright 2012 Embedded Artists AB GPIO2 LED J5 LED2 SWI LPC31xx Base Board Important Components Play button LED5 12 USB to serial activity LEDs Joystick SW3 LPC3152 Developers Kit User s Guide Page 26 4 6 NAND Boot Problem Fix This note does NOT affect boards marked with WO 0246 1033 See picture below where to find production marking The picture illustrates a board that is not affected The last four numbers represent a year week marking 1033 means produced 2010 week 33 Boards marked with production dates earlier than 1033 are affected Figure 7 LPC31xx Base Board Production Marking Note that there is a conflict on the databus when booting via NAND flash The problem is that signals N_STCSO and N STCS1 are low during NAND boot The signal DBUF EN on the LPC31xx Base Board is formed by AND ing N_STCSO and N_STCS1 This in turn enables the databus buffer U11 on LPC3152 OEM Board when the
23. ange without notice and does not represent a commitment on the part of Embedded Artists AB Feedback We appreciate any feedback you may have for improvements on this document Please send your comments to support EmbeddedArtists com Trademarks InfraBed and ESIC are trademarks of Embedded Artists AB All other brand and product names mentioned herein are trademarks services marks registered trademarks or registered service marks of their respective owners and should be treated as such Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 3 Table of Contents 1 Document Revision History 5 2 Introduction 6 2 1 Features 6 2 2 ESD and Handling Precaution 7 2 3 CE Assessment 8 2 4 Other Products from Embedded Artists 8 24 1 Design and Production Services 8 24 2 OEM Education QuickStart Boards and Kits 8 3 LPC3152 OEM Board Design 9 3 4 Schematic Page 2 Powering 9 3 2 Schematic Page 3 LPC3152 CPU 11 3 3 Schematic Page 4 Analog and Audio Interfaces 12 3 4 Schematic Page 5 External Memories 12 3 5 Schematic Page 6 Expansion Connector 13 3 6 Usage of CPU Pins 14 3 7 LPC3152 OEM Board Mechanical Dimensions and Connector 16 3 8 Things to note about the LPC3152 OEM Board 16 3 8 1 NAND FLASH Bad Block 16 3 8 2 Brand of Memory Chips 17 4 LPC31xx Base Board Design 18 41 Usage of CPU Pins 18 42 Known Limitation of LPC31xx Base Board 20 4 4 1 MMC SD Memory Card Detect Signal J13 20 422 H L CC Jumper
24. atabus buffer U11 on LPC3152 OEM Board will not be enabled during NAND boot when both N STCSO and N_STCS1 are low Embedded Artists has created a small board with a XNOR gate that can be soldered to the LPC31xx Base Board This board can be ordered free of charge from the Suppen paga The board is delivered with a detailed instruction how to solder the 25 NE el board 5 wires needs to be soldered on the back side of the LPC31xx Base Board The picture to the right shows the small board with the XNOR gate After the small board has been soldered to the back side of the LPC31xx Base Board the DBUF EN jumper pin 1 2 on J40 shall NOT be inserted Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 28 5 Getting Started This chapter contains information about how to get acquainted with the LPC3152 OEM Board and LPC31xx Base Board Bundle Please read this section first before you start using the board it will be worthwhile 5 1 Initial Setup and Powering The board can be powered from a PC via the included USB cable mini B to A cable A separate power supply is however needed in stand alone situations or when running USB Host application when powering heavy load external USB devices The power supply should be 9 15V DC When powering heady external load on USB devices a 2 Amp supply is needed Else a 0 5A supply is enough A 2 1mm standard power plug is used to interface the board Any polarity
25. below Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 29 System Properties System Restore Automatic Updates Remote General Computer Name Hardware Advanced Device Manager Device zq The Device Manager lists all the hardware devices installed on Manager your computer Use the Device Manager to change the properties of any device Device Manager Drivers Driver Signing lets you make sure that installed drivers are compatible with Windows Windows Update lets you set up how Windows connects to Windows Update for drivers Driver Signing Windows Update Hardware Profiles Hardware profiles provide a way for you to set up and store different hardware configurations Hardware Profiles Figure 9 System Settings Dialog Then select the Device Manager and open the Ports list as illustrated in Figure 10 below a Device Manager Milt File Action View Help e mfG 9 mma IDE ATA ATAPI controllers Se IEEE 1394 Bus host controllers amp Keyboards 7 5 Mice and other pointing devices Monitors Bill Network adapters BS 1394 Net Adapter BB Broadcom 440x 10 100 Integrated Controller B Dell draadloze WLAN 1450 dubbele band WLAN Mipi E8 Wireless G Notebook Adapter with SRX GB Other devices PCMCIA adapters 3 Ports COM amp LPT IVETE Processors SCSI and RAID controllers Sound video and game controllers d System devices amp Univer
26. bit rates including CAN and USB requirements e 256 Kbit I2C E2PROM for storing non volatile parameters e Buffered 16 bit data bus for external expansion e 200 pos expansion connector SODIMM 200 format 0 6mm pitch All LPC3152 pins available except dedicated pins for on board memories and internal powering e Li ion battery or 5V powering e Onboard reset generation e Compact SODIMM size 66 x 48 mm Six layer PCB design for best noise immunity There is an accompanying LPC31xx Base Board that can be used for initial prototyping work The features of the board are e Connectors 200 pos 0 6mm pitch SODIMM connector for LPC3152 OEM Board RJ45 Ethernet connector Expansion connector to 3 2 inch QVGA TFT color LCD with touch panel Three expansion connectors with all SODIMM signals MMC SD interface and connector USB OTG or Host connectors Four 3 5mm audio connectors Internal codec mic in 2x line in headphone out External codec mic in line in line out headphone out Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 7 JTAG connector 2 1mm power input Connector for external Li ion battery e Power Power supply either via USB or external 9 15V DC LPC3152 OEM Board is powered by Li ion battery or 5V Current monitors on input voltages e Other 100 10Mbps Ethernet interface base on DM9000A chip available on base board from
27. boot problem 2011 08 24 Added information about VBUS over current sense for USB Host applications section 4 2 5 G 2011 12 19 Added note about CE marking Removed schematics from document H 2012 05 10 Updated section 5 3 4 about SPI NOR boot Added section 5 3 7 about booting from NAND flash Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 6 2 Introduction Thank you for buying Embedded Artists LPC3152 Developer s Kit based on NXP s ARM926EJ S LPC3152 microcontroller This document is a User s Guide that describes the LPC3152 OEM Board and the LPC31xx Base Board hardware design It is the User s Manual for both the LPC3152 Developer s Kit as well as for just the LPC3152 OEM Board 2 4 Features Embedded Artists LPC3152 Developer s Kit with NXP s ARM926EJ S LPC3152 microcontroller lets you get up and running quickly The small sized OEM board offers many unique features that ease your learning curve and speed up your program development The board has also been designed for OEM applications with volume discount available The features of the LPC3152 OEM board are e NXP s ARM926EJ S LPC3152 microcontroller in BGA package with 192 KByte internal RAM e External data memory 64 MB SDRAM 16 bit databus width e External FLASH memories 256 MB 2Gbit NAND FLASH and 4 MB 32Mbit SPI NOR FLASH e 12 0000 MHz crystal for maximum execution speed and standard serial
28. connected to the PSU_PLAY input 3 1 1 5 OTP VPP Voltage The VPP power to the LPC3152 can be controlled by the OTP signal The on chip OTP One Time Programmable fuses on the LPC3152 can be programmed 3 3V must be applied to VPP during programming or else 1 2V should be applied Note that programming the fuses should be done with great care R69 is not mounted in order to remove the risk of programming by mistakes R69 can easily be mounted by placing a solder bump between the two pads i e R69 is a zero ohm resistor Note that a jumper J14 pin 13 14 on the LPC31xx Base Board must also be inserted in order to control the OTP signal from the PCA9532 I2C port expander Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 11 3 2 Schematic Page 3 LPC3152 CPU Page 3 of the schematic contains the core part of the design which of course is the LPC3152 microcontroller It is an ARM926EJ S cpu core with a lot of different peripheral units and on chip memory 192 KByte SRAM 3 2 1 1 12MHz Crystal and PLLs The microcontroller crystal frequency is 12 0000 MHz This frequency is the recommended from NXP There is dual on chip PLLs on the LPC3152 in order to generate different needed frequencies for the chip Note that the clocking structure is very different from the LPC2xxx family It is a more complex structure but also much more versatile and flexible There is no shortcut but to read the LPC3152 User
29. cted cables are assumed to be less than 3 meters The general expansion connectors where internal signals are made available do not have any other ESD protection than from the chip themselves Observe ESD precaution Note that the LPC3152 OEM board is classified as a component and is hence not CE marked separately It can perform different functions in different integrations and it does not have a direct function It is therefore not in the scope of the CE Directive An end product where an OEM Board is integration into is however very likely to need CE marking 2 4 Other Products from Embedded Artists Embedded Artists have a broad range of LPC1xxx LPC2xxx LPC3xxx LPC4xxx based boards that are very low cost and developed for prototyping development as well as for OEM applications Modifications for OEM applications can be done easily even for modest production volumes Contact Embedded Artists for further information about design and production services 24 1 Design and Production Services Embedded Artists provide design services for custom designs either completely new or modification to existing boards Specific peripherals and I O can be added easily to different designs for example communication interfaces specific analog or digital I O and power supplies Embedded Artists has a broad and long experience in designing industrial electronics in general and with NXP s LPC1xxx LPC2xxx LPC3xxx microcontroller family in specific Our compe
30. ctory default setting has now been changed to not inserted 4 2 3 NAND Booting Read section 4 6 for details about N DBUF EN signal during NAND boot 4 24 USB Host applications power supply When running USB Host applications where the external USB Device draw a considerable amount of current gt 100mA the LPC31xx Base Board must be powered with an external power supply as opposed to being powered via the USB to UART mini B USB connector See section 5 1 for details about the external power supply 4 2 5 USB Host applications over current sense U3 is an over current protected distribution switch for VBUS 5V for feeding external USB devices There is a status flag feedback signal from U3 If this is used for example by the latest Linux distribution a jumper must be inserted in J14 pin 9 10 This will bridge the status signal to pin 12SRX_WSO0 This jumper is not inserted by default If the over current flag on VBUS circuit is not getting set in case of an over current situation it is a sign of too weak external power supply The problem is typically that when the external load is increasing on VBUS the power supply circuit is reducing the output voltage rather than keeping voltage constant and increase the current draw Due to this the over current flag is not getting set and eventually the complete board can go down i e it resets since the supply voltage is out of range A possible workaround if the exte
31. de copies downloads the boot image to internal SRAM at location 0x1102 9000 and jumps to that location sets ARM s program counter register to 0x1102 9000 after image verification Hence the boot images should be compiled with entry point at 0x1102 9000 The boot code can handle boot images up to 128 kByte in size on the LPC3152 For larger applications the booting has to be done in more steps i e a second stage boot loader has to be added Note that the boot code initializes the MMU Memory Management Unit with a pre defined MMU table This table is 16 kByte in size so systems with RAM constraints or small and simple systems can Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 32 utilize this pre defined MMU table If this is not sufficient the MMU must be further initialized in the beginning of the user code i e the boot image The LPC3152 User s Manual from NXP contains all details about booting including the pre defined MMU table The rest of this section gives an overview of what is supported by the LPC3152 OEM Board and LPC31xx Base Board and how to quickly get started with the download process 5 3 1 Jumper Settings The table below lists the boot sources supported by the LPC3152 OEM Board and how to set the jumpers on the LPC31xx Base Board Way of booting source for boot image Jumper settings on LPC31xx Base Board Description UART default mode GPIO2_BOOT2
32. e http Awww Ipcware com content nxpfile an10811 ea3131 spi flash programming sample code Note that there can be newer versions of the documents than the ones linked to here Always check for the latest information version Copyright 2012 O Embedded Artists AB
33. e LPC3152 OEM Board The design can be viewed as a reference schematic for custom designs around the LPC3152 OEM Board Note that the LPC31xx Base Board supports different members of the LPC31xx family All functionalities on the board do not directly apply for the LPC3152 OEM Board for example the 12S codec since the LPC3152 has an internal codec Note that the codec on the LPC31xx Base Board cannot be accessed by the LPC3152 The used I2C and 12S channels are not available on the LPC3152 chip 44 Usage of CPU Pins Almost all pins of the LPC3152 are directly available on the expansion connectors Only in a few cases pins are used for dedicated functionality like dynamic memory control signals and chip select signals Such pins are not available on the expansion connector The table below lists all pins and their possible restrictions Pin Usage on LPC31xx Base Board USB_VBUS Connected to USB connectors mini AB and A USB_DM USB DP USB ID 12C_SDAO Connected to PCA9532 port expander 12C_SCLO SPI_SCK Can be connected to QVGA display for touch screen SPI_MISO controller SPI interface SPI_MOSI SPI_CS_IN No usage UART_RXD Can be connected to the USB to serial bridge RS232 UART_TXD interface or XBee module UART CTS SPI CS OUT1 Can be connected to QVGA display for touch screen controller SPI interface chip select Can be connected to RS232 interface or XBee module UART R
34. esistor is soldered between the pins The reason is that the signal I2STX BCKO acts as an output during booting in most boot modes Since the MMC SD connector will drive the signal to GND if a memory card is inserted the signal will be shorted to ground resulting in excessive current flowing The 3K resistor limits the current to a reasonable level Figure 2 below illustrates the rework needed Note that a few boards of version 1 1 have been shipped without the 3K resistor In this case a jumper shall never be inserted in J13 or a 3K resistor shall be soldered between the pins Note that the problem is fixed on v2 0 of the LPC31xx Base Board Also note that the pull up on the SD card detect pin is after the power switch Due to this there is a need to enable power to the SD MMC slot to even detect the card insertion Note that this problem is fixed on v2 2 of the LPC31xx Base Board Copyright 2011 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 21 i Component side Back side Cut remove J13 Added 3K resistor between J13 pins Figure 2 MMC SD Card Detect Fix 4 2 2 H_L_CC Jumper When the H_L_CC jumper is inserted it will pull signal GPIO1_BOOT1 low despite boot jumper settings Do not insert H_L_CC jumper pin 1 2 on J14 on the LPC31xx Base Board in case a boot mode where GPIO1_BOOT1 is high specifically UART boot and two test boot modes Previously the H L CC jumper was inserted by default The fa
35. ess by toggling GPIO2 pin There is a LED connected to this pin for direct visual feedback The picture below illustrates the position of the LED in relation to the boot jumpers Typical errors could be that booting has timed out must be done within 2 minutes after reset wrong boot image format or CRC error detected in the downloaded boot image 80070 eye BOOTL B00T2 H Figure 20 GPIO2 LED Position 5 3 7 Booting via NAND Flash NXP has written detailed instructions of how to use the u boot or Apex bootloaders to program the NAND flash on the LPC31xx OEM Boards with a bootable image Please follow the links below for more information Program NAND flash using u boot http www lpclinux com LPC313x LPC313xUbootNand Programming_NAND_flash_using_Uboot Program NAND flash using Apex http www lpclinux com LPC313x LPC313xApexNand Programming_NAND_flash_using_Apex Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 39 6 Further Information The LPC3152 microcontroller is a complex circuit and there are a number of other documents with more information The following documents are recommended as a complement to this document 1 NXP LPC3152 Datasheet http ics nxp com products Ipc3000 datasheet Ipc3152 Ipc3154 pdf 2 NXP LPC3152 User s Manual http ics nxp com support documents microcontrollers pdf user manual lpc315x pdf 3 ARM926EJ S Technical Reference Manual Documen
36. etailed list of available pins Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 14 3 6 Usage of CPU Pins Almost all pins of the LPC3152 are directly available on the expansion connectors Only in a few cases pins are used for dedicated functionality like dynamic memory control signals chip select signals and power supply Such pins are not available on the expansion connector The table below lists all pins and their possible restrictions Pin Available on expansion connector USB_VBUS Yes USB_DM USB_DP USB_ID I2C SDAO Yes but 12C E2PROM connected to these pins 12C_SCLO SPI_CS_OUTO No signal used for chip select of SPI NOR flash U7 or U10 SPI_SCK Yes but note that SPI NOR flash is connected to SPI_SCK SPI MISO SPI MISO SPI MOSI SPI MOSI SPI CS IN UART RXD Yes UART_TXD UART_CTS SPI_CS_OUT1 UART_RTS SPI_CS_OUT2 I2SRX_DATAO Yes I2SRX_WSO I2SRX_BCKO I2STX_DATAO I2STX_WSO I2STX_BCKO I2STX_CLKO GPI00 Yes but pull ups pull downs are used to set default boot GPIO1 mode to booting from the UART GPIO2 GPIO3 GPIO10 Yes PWM DATA Yes ADC10B_GPA0 ADC10B_GPA2 Yes ADC_MIC Yes ADC_TINL ADC_TINR ADC_VINL ADC_VINR HP_OUTR HP_OUTL Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 15 CLOCK_OUT Yes EBI_DO EBI_D15 Yes but only available
37. g the command is Ipc313xImgCreator o pd i lpc313x bin The o option specifies the output directory the current directory in this case The pd option specifies that a file for USB boot mode should be generated The i option specifies the input file An output file called lpc313x rom will be generated in the command line example above It is possible to automatically create the boot image when compiling building The example below illustrates how to configure a project in uVision the Keil IDE In the Options for Target window select the User tab Then configure the Run 1 and Run 2 options according to the picture below These commands lines are run after the application is built Run 1 creates a binary file named pc313x bin Run 2 creates a CRC attached rom file The pc command line option can be changed to pd if USB DFU booting method is used Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 35 c Device Target Output Listing User C C Asm Linker Debug Utites Run User Programs Before Compilation of a C C File Rmi posts Run 82 I poste m Run User Programs Before Build Rebuild Run 1 DOS16 Run 2 Programs to run after build Run User Programs Ases ok Deus p Figure 15 uVision Options for Target Note that similar settings can be done in IDE s from other
38. hematic for details 3 7 LPC3152 OEM Board Mechanical Dimensions and Connector Figure 1 below contains a drawing of the board that includes mechanical measures See SODIMM 200 standard for exact measures 1 8V keying is used SODIMM 200 boards are either 1 8V or 2 5V keyed HN I AT SALA 48 mm 1 8V keying of SODIMM board Figure 1 LPC3152 OEM Board Mechanical Dimensions The SODIMM 200 format is a standard and there are many connectors that are suitable from many different manufactures The many sources also keep the connector cost very low Note that the connector should be 1 8V keyed One suitable connector is 0 1473005 4 from Tyco AMP Basically any SODIMM DDR2 200pos 1 8V right angled connector will do 3 8 Things to note about the LPC3152 OEM Board 3 8 1 NAND FLASH Bad Block The NAND Flash is the MT29F2G08ABDHC from Micron and contains 2 GBit capacity The chip may include invalid blocks when shipped from factory A maximum of 40 invalid blocks may exist initially i e 2008 2048 valid blocks Additional invalid blocks may develop while being used Invalid blocks are defined as blocks that contain one or more bad bits Do not erase or program factory marked bad Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 17 blocks More information about appropriate management of invalid blocks can be found in technical notes and datasheet from Micron 3 8 2 Brand of Memory Chips Note
39. iew of the Li lon battery charger functionality Read the LPC3152 User s Manual for details The charger is suitable for charging Li lon batteries from the USB supply Main functions implemented in the charger are as follows e Trickle charging with 10 of the nominal current e Fast charging or constant current charging with the nominal current adjusted by an external resistance value Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 10 e Constant voltage charging to charge the battery on maximum capacity Normally the current reduces in time from 100 to 10 When charging batteries safety as well as charge capacity and lifetime are important factors The charge process has to be monitored and controlled carefully for maximum battery charge and to protect the battery from damage There are several safety functions implemented e Current limiting in constant voltage charging e Current limiting by chip temperature e Current blocking by battery temperature sensing via an NTC resistor Battery current setting The nominal charge current is set with a resistor between pin CHARGE_CC_REF and ground The selected resistor on the LPC3152 OEM Board R8 1 kohm gives a nominal charge current of 100 mA A resistance value of 400 ohm gives a nominal charge current of 250 mA This is the maximum current setting The circuit involving R5 and R8 allows setting the resistance to 400 ohm by pulling the signal HIG
40. ings for the serial channel Other baudrates can also be used depending on your specific application Also note that it is normally not needed to set the used baudrate at all The driver and FT232R chip will automatically handle different baudrates The setting is only shown here for completeness USB Serial Port COM3 Properties General Port Settings Driver Details Bits per second Detabis fe SSS a Stop bits h y Elow control None UART settings Restore Defaults Advanced settings Figure 12 USB Serial Port Properties Dialog Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 31 Select the desired COM port number under the Advanced settings dialog NXP s FLASH Utility program for ISP program download needs for example a COM port number between 1 and 5 Very often the COM port number is selected but the USB Serial Port is higher than this therefore this need to be changed manually It is common that all COM ports with low numbers are listed as occupied but test to change to a low number anyway Very often it is no problem at all to do so Advanced Settings for COM3 X COM Port COM Port Number COM3 Number Setting _ USB Transfer Sizes Cancel Select lower settings to correct performance problems at low baud rates Select higher settings for faster performance Defaults Receive Bytes 4096 X Transmit Bytes
41. is sent to the UART channel Downloading a boot image into the SPI NOR flash is a two step process as explained below 1 First set the system to UART boot and download a SPI NOR flash program program This is done via normal UART booting just like described in the previous section The SPI NOR flash program is one of the sample applications found in the CDL package from NXP 2 The SPI NOR flash program will output the following string over the UART channel SPI programer is ready for download gt Now download the actual boot image to be used for SPI booting Please note that you need to download a CRC attached boot image Section 5 3 2 describes how to create such an image The download process should start within 2 minutes after this message has appeared When the boot image is downloaded the following string will be sent from the SPI NOR flash program Download finished Programing flash HHHH multiple hashes gt HHH Verifying flash HHHH multiple hashes gt HHH Done 3 Set the boot jumpers to NOR flash boot as described in section 5 3 1 4 Click the reset button to restart the board and load the application from NOR flash Stepl UART boot of SPI NOR flash program LPC31xx READY FOR PLAIN IMAGE Download finished SPI programer is ready for download Download finished Programing flash s 959399 9 ff TPPPPPPPPPPPPPPPPPPPPPPPIPPIPPPIPPPPPPPIPPIPPPPPPPII
42. is accepted It is possible to have both the USB cable and external powering connected to the board at the same time The LPC31xx Base Board contains a USB to Serial bridge chip FT232R from FTDI that connects the UART channel on the LPC3152 to a virtual COM port on the PC via USB It is this serial channel that is the console interface to the system Special USB drivers must be installed on the PC in order for the virtual COM port to be created See Section 5 2 for a description of how to install the FTDI USB driver 5 2 FTDI USB Driver A USB driver must be installed on your PC computer in order to get the USB to UART chip FT232R to function Make sure to download the latest version of the driver which can be found at the following URL http www ftdichip com Drivers VCP htm search for a FT232R driver for your operating system When the LPC31xx Base Board is connected to the PC via an USB cable the PC will ask for a driver Unpack unzip the downloaded driver file and browse to the position of the driver files After successful driver installation a COM port will be created Before any communication with the Board can take place the UART settings must be correctly set The following description is valid for Windows XP but other operating systems have similar dialog windows See the USB driver documentation for details if needed To change the UART settings first open the System Properties dialog as illustrated in the figure
43. iven by the requirements of the LPC3152 internal power converters There are multiple options how to power the LPC3152 e Li lon battery 2 7V 4 2V e USB which is nominally 5V e VIN which is an external source nominally 5V just like USB Normally powering comes from a Li lon battery but USB powering is also supported USB powering is under software control Signal PWR CTRL controls Q1 power switch to enable powering from a USB source An external 5V power source can power the board via VIN 3 1 1 2 Internal Voltage Converters The LPC3152 contains internal voltage converters both switched and linear designed to operate on battery power See the LPC3152 user s manual for details The generated voltages can be monitored via test points The current consumption can also be measured if needed Just replace the R1 R3 zero ohm resistors with low ohm current measuring resistors typically less than 0 1 ohm The voltage converters can be controlled via software Normally control is not needed but in certain cases it can be needed A high input on signal PSU PLAY will start the voltage converters A high input on signal PSU STOP will place the chip in power off state Note that it is the user s responsibility not to program the internal LPC3152 converters so that the external memory chips 1 8V powering are damaged by too high voltage which is possible 3 1 1 3 Li lon Battery Charging Note that this description is just an overv
44. ler use the signal UART CTS SPI CS OUTf1 Hence a jumper between pin 1 2 on J38 should not be inserted while a jumper on J31 is inserted since RTS from the RS232 interface or CTS from the XBee module will also drive this signal Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide 44 Connectors Figure 5 below illustrate the position of all external connectors on the LPC31xx Base Board Line in 2 Headphone RS232 DSUB XBee Power in Line out J52 J26 module J24 J48 U10 T T pis 1 000 T T 1 1 I 1 1 S 1 L L RTS ER 9 0 F e AOS Mi 4 ol OSE 5 02 COO nt 2o Ld XBee a a pay e Ee UART i Audio Connectors gy mx A Catala alan Exc uen SC cuacy GR u o gt x a S 15UDC 500m Sede orn coors ra DD EBOMEEZEZEDUID onee EN QUBA cfg any polarity TT er mn n n 55 z RO wireless module 0000 Lm Expansion Fete nar son se Seer ee We raj ppgi RJ p LJ a ES su ATTENTION o ere LB Ln XE Accel nu ESD PRECRUTION J6 QU p LE a I cur PD tm RSM Card D 1 O a ard Detect O A Pirro y oon QO Wy eh CON PERIERE S Meza REG LRL ae Nest m jese Daule 8 ausa LCD Gkpansion Connector t a onnector hs O MA 22 3 PR 4 reine
45. nal OE controls the direction of the data bus buffer During read operations the buffer acts as an input and during write operations it acts as an output Note that N DBUF EN must not be pulled low constantly In that case the buffer will collide with the board s internal data bus N_DBUF EN must only be pulled low when an external memory lO device is accessed If only one of the static chip selects is used externally just connect that signal to N DBUF EN If more than one chip select signal is used logically AND all chip select signal together before driving the N DBUF EN signal in this case just AND the two signals B N STCSO and B N STCS1 There is an additional important note when booting from NAND flash read section 4 6 for details about the N DBUF EN signal If the external memory interface is not used leave ABUS EN and DBUS EN unconnected The buffers are dual voltage buffers and act as level translators between the internal 1 8V signal levels and the external levels Connect the external bus voltage to VDD EXT See the datasheet of 74AVCA164245 for exact details about voltage range Normally 3 3V powering is used 3 5 Schematic Page 6 Expansion Connector The LPC3152 OEM Board integrates the core part of a typical LPC3152 board design with a reasonable large amount of external memories All relevant signals of LPC3152 are available on the 200 pos 0 6mm pitch expansion connector SODIMM 200 format See the next section for a d
46. nector J6 e 20 TE a Card Power a Ol rr I2STI_DATAD 5 m b r ol EM cognac l I wg Disable H H a z 3 30 ARM debug J44 a 1 ets lo a ER 5 1 ai Ji a i poy z a od s 21 ao H D a i oa oe i nu LPC31xx OEM Board tee En m O e 1 H EIE 8 LPC34xx Base Board v2 0 2 07 oo Sa a RETE lt C 2009 Embedded Artists AB 7 e 2 E a ol ii wuu EmbeddedArtists com ci u a El a a all N amp ND RYBN3 lt INT s el n og Rxe a al e mx u f Fell enapie eternela COP Te E a a E mo exile RS232 XBee 5 HD Fog i lat tes 3 a ip IE A foniy Wost DDR STD B E Pa Embedded 88 sge X a EN 1 Artists BL rye lis UBB to UART Bridge O ETE 9 AIN3 CLOCK_OUT M Eoo Expansion Connector J7 aa i E ads E E 2 m ms m s m m m m mom mos mos mos m s mos m ox oa 1 1 E qin ah sey ata a rde QU 8 LR UC em NON NT N zou 50 x Ea a L1 eina BOOT2 a felis H_L_cC ae E n n Tal a T s rl STOP ae E 1 n n PLAY 553 za asoore 29 EB 2 Eu Ol Assen 7 1 0 2 i1 0 0 Iz Cum Eg 5m gt ea a EAT wa I2SRX use f Taaur EN Sia ooo cbs JI2SRx_DATA e nsur eN vor yr x mv xv BATTERY H L Play Lai Ena OTP ctrl LEDS LED LED LEDS LEDS LEDIG LEDi4 LED12 Figure 4 LPC31xx Base Board Default Jumper Positions 4 3 2 Illegal Jumper Combinations Note that some jumpers are mutual exclusive and should not be inserted simultaneously e Note that the spi chip select on the QVGA display touch control
47. ote that special care must be taken for layout of the USB signals This also applies for the external connector connected to the expansion interface of the LPC3152 OEM Board 3 3 Schematic Page 4 Analog and Audio Interfaces Page 4 of the schematic contains the analog and audio interfaces 3 3 1 1 Audio Interface The LPC3152 contains an on chip audio codec with a microphone input two line inputs and headphone outputs Power supplies to the analog functions are carefully filtered in order to minimize power supply noise 3 3 1 2 Analog Inputs The LPC3152 contains a 10 bit ADC Analog to Digital Converter The positive reference voltage is ADC VREFP It is a filtered version of the 3 2V voltage The voltage ADC_VREFP is available on the expansion connector There is also an associated analog ground reference available on the expansion connector connected to pin ADC10B_GNDA on the LPC3152 3 4 Schematic Page 5 External Memories Page 5 of the schematic contains the external memory interface and the external memories There are two memory components connected to the external 16 bit memory bus interface Note that the LCD interface and external memory bus interface are multiplexed over the same pins It is the memory bus interface that is used in the LPC3152 OEM Board The LCD interface cannot be used and shall not be enabled in the cpu Also note that three different types of memories share the same bus interface e Dynamic memories SDR
48. pically the output file with axf ending fromelf exe output Ipc313x bin bin lt input file gt The second step is to create a CRC attached boot image for the LPC3131 There is a command line tool from NXP bundled in the CDL package named pc313xlmgCreator See program output explaining the command line options below Copyright 2012 O Embedded Artists AB LPC3152 Developers Kit User s Guide Page 34 EN C Windows system32 cmd exe LPCImageCreator options inputfile Creates image for USB boot mode Creates image with CRC check boot mode m default Creates image with no CRC check boot mode o lt dir gt Absolute path w o spaces of the output directory i lt inputfile gt Absolute path and name of the plaintext image to be packaged the LPC315 image Packaged images are created in the It is assumed that the file contains uninitialized head er that will be overwritten with header data gt igCreator Command Line Options To add a CRC header to the binary file i e to create a CRC attached boot image the command is Ipc313xImgCreator o pc i pc313x bin The o option specifies the output directory the current directory in this case The pc option specifies that a CRC header should be appended The i option specifies the input file An output file called lpc313x rom will be generated in the command line example above To create a boot image for USB DFU bootin
49. rnal power supply cannot keep the voltage at correct level is to monitor the VBUS voltage to detect an over current condition and switch VBUS off when it goes below a certain level Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 22 43 Jumpers The LPC31xx Base Board has a number of jumpers in order to be able to connect disconnect and fully utilize all functionality of the LPC3152 and the LPC31xx Base Board Figure 3 below illustrates all jumpers and explains to what part of the design they belong USB device connect Audio jumpers DOS interface J22 J21 J41 343 45 J47 49 J46 Connect analog signals J50 5 1 52 Connect I2S MMC SD interface UART select QVGA interface config Top J13 enable card J28 J30 J31 J32 From left to right detect note that J13 is Left pos to RS232 J36 J33 J35 J34 to analog inputs Left pos connect to codec channel 1 to removed due to fix on Right pos to XBee Right pos connect directly codec v1 1 boards module to LPC3152 default Lower J10 select always enabled or controlled T 7 gA 7 Il 1 I 1 Mog f DOO zn e YANK S oe Ye 1 1 am 200 2 m O Cms cm c mo E Bouer inp Audio Connect m G38
50. s Manual in detail and understand the options and settings 3 2 1 2 Booting The LPC3152 starts executing from an on chip ROM containing the bootloader Note that the LPC3152 does not contain any on chip FLASH memory Program code must be loaded from an external source into the on chip SRAM There are multiple boot options as indicated in the schematic The default is set to UART mode booting Normally the default boot option can be controlled changed from the LPC31xx Base Board but the default resistors can also be changed for special orders of the board The LPC3152 OEM Board contains both SPI NOR flash and NAND flash in order to support stand alone booting Section 4 6 contains important information if NAND boot is used 3 2 1 3 JTAG interface The JTAG interface is a standard ARM compatible JTAG interface There is a special feature on the LPC3152 that can bypass the ARM core scan chain i e the debug access by pulling JTAGSEL low In that case the JTAG interface is used for boundary scan access 3 2 14 SPI NOR FLASH There is a 32Mbit 4 MByte NOR flash connected to the SPI bus There is an option to mount one of two different manufacturers either S25FL032 from Spansion or AT45DB321 from Atmel Embedded Artists can choose to mount any one of these chips on the board and it depends in component availability at the time of production Both are compatible for the relevant commands In case special commands are used it is possible to
51. sal Serial Bus controllers p RR ERI BER RR E Figure 10 Device Manager Dialog Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 30 The new COM port USB Serial Port will be listed under the Ports list Right click on the new USB Serial Port and select Properties as illustrated in Figure 11 below a Device Manager Cox File Action View Help e mfG RARA IDE ATA ATAPI controllers IEEE 1394 Bus host controllers Keyboards E Mice and other pointing devices 4 E Monitors USB Serial Port EB Network adapters BH 1394 Net Adapter BB Broadcom 440x 10 100 Integrated Controller Bi Dell draadloze WLAN 1450 dubbele band WLAN Mini PCI kaart E9 Wireless G Notebook Adapter with SRX amp amp Other devices B PCMCIA adapters S Ports COM amp LPT ICE Ha Processors de SCSI and RAID controll Sound video and game y System devices Scan for hardware changes amp Universal Serial Bus con Properties Update Driver Disable Uninstall Properties Opens property sheet for the current selection Figure 11 Device Manager Port Dialog Select 115200 bits per second 8 data bits none parity 1 stop bit and none flow control as illustrated in Figure 12 below Then select Advanced settings Please note that different application programs can use different baudrate sett
52. t identity DDI0198E http infocenter arm com help topic com arm doc ddi0198e DDI0198E_arm926ejs_r0p5_trm pdf 4 ARM Architecture Reference Manual Document identity DDIO100E Book Second Edition edited by David Seal Addison Wesley ISBN 0 201 73719 1 Also available in PDF form on the ARM Technical Publications CD 5 ARM System Developer s Guide Designing and Optimizing System Software by A N Sloss D Symes C Wright Elsevier ISBN 1 55860 874 5 6 ARM9 vs ARM core comparison This document from ARM gives a good overview of the ARM9 core compared to the ARM7 core that for example is found in the LPC2xxx family http www arm com pdfs comparison arm7 arm9 v1 pdf Embedded System Design on a Shoestring by Lewin Edwards Newnes ISBN 0750676094 8 GNU Manuals http www gnu org manual 9 GNU ARM tool chain for Cygwin http www gnuarm com 10 An Introduction to the GNU Compiler and Linker by Bill Gatliff http www billgatliff com 11 LPC3000 Yahoo Group A discussion forum dedicated entirely to the NXP LPC3xxx series of microcontrollers http groups yahoo com group Ipc3000 12 LPC2000 Yahoo Group A discussion forum dedicated entirely to the NXP LPC2xxx series of microcontrollers http groups yahoo com group Ipc2000 13 AN10901 Programming and booting from NAND flash on the EA3100 http www nxp com documents application_note AN10901 pdf 14 AN10811 EA3131 SPI Flash Programming Sample Cod
53. tence also includes wireless and wired communication for embedded systems For example IEEE802 11b g WLAN Bluetooth ZigBee ISM RF Ethernet CAN RS485 and Fieldbuses 2 4 2 OEM Education QuickStart Boards and Kits Visit Embedded Artists home page www EmbeddedArtists com for information about other OEM Education QuickStart boards kits or contact your local distributor Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 9 3 LPC3152 OEM Board Design This chapter contains detailed information about the electrical and mechanical design of the LPC3152 OEM Board Note that it is version 1 1 of the board that is presented Differences from version 1 0 are small and can be found in the schematic see schematic page 1 The schematic can be downloaded in pdf format from the support page and is recommended to have printed out while reading this chapter The following subsections describe in more detail each part of the design 3 1 Schematic Page 2 Powering Page 2 of the schematic contains the power supplies of the LPC3152 OEM Board The LPC3152 contains internal voltage converters that create the three main voltages 1 2V for internal digital part 1 8V for external powering of memories and 3 2V for external interfaces like JTAG and GPIO s It also contains Li lon battery charging functionality and USB OTG 5V generation 3 1 1 1 Powering The input voltage to the LPC3152 OEM Board is g
54. via the data bus buffer MLCD_AO ALE Yes but only available via the address bus buffer MLCD_A1 CLK MLCD DB2 EBI A2 MLCD DB3 EBI A3 MLCD DB4 EBI A4 MLCD DBS EBI A5 MLCD DBO EBI A6 MLCD DB7 EBI A7 MLCD DB8 EBI A8 MLCD DB9 EBI A9 MLCD DB10 EBI A10 MLCD DB11 EBI A11 MLCD DB12 EBI A12 MLCD DB13 EBI A13 MLCD DB14 EBI A14 MLCD DB15 EBI A15 EBI_DQMO NOE Yes but only available via the buffer EBI_NWE EBI_NCAS BLOUTO EBI_NRAS BLOUT1 MLCD_CSB EBI_NSTCSO MLCD_DB1 EBI_NSTCS1 NAND_NCSO No used for internal NAND flash memory MNAND_RYBNO MCI_DATA4 NAND NCS1 Yes NAND NCS2 NAND NCS3 MNAND RYBN 1 MCI DATAS MNAND_RYBN2 MCI_DATA6 MNAND_RYBN3 MCI_DATA7 MLCD DBO EBI CLKOUT No used for internal SDRAM MLCD RS EBI NDYCS MLCD RW WR EBI DQM1 MLCD E RD EBI CKE ADC_VREFP Yes Note that VDDA is connected to 3 2V power supply ADC_VREFN FFAST_IN No directly connected to on board crystals FFAST_OUT FSLOW_IN No directly connected to on board crystals FSLOW_OUT RTC_INT Yes RTC_CLK PSU_PLAY PSU_STOP CHARGE_VNTC Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 16 CHARGE_BAT_SENSE JTAG signals Yes VPP Can be indirectly controlled by OTP signal RESET_IN Yes The LPC31xx Base Board illustrates how to typically connect external interfaces like USB external memory devices etc to the LPC3152 OEM Board Study this sc
55. y pressure on the two flex cables connecting the LCD These are relatively sensitive and can be damaged if too much pressure is applied to them Note that Embedded Artists do not replace QVGA Display Modules where the LCD has been improperly handled Copyright 2012 Embedded Artists AB LPC3152 Developers Kit User s Guide Page 8 2 3 CE Assessment The LPC3152 Developers Kit consisting of the LPC3152 OEM Board and LPC31xx Base Board is CE marked See separate CE Declaration of Conformity document The LPC3152 Developers Kit is a class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures EMC emission test has been performed on the LPC3152 Developers Kit Standard interfaces like Ethernet USB serial have been in use General expansion connectors where internal signals are made available for example processor pins have been left unconnected Connecting other devices to the product via the general expansion connectors may alter EMC emission It is the user s responsibility to make sure EMC emission limits are not exceeded when connecting other devices to the general expansion connectors of the LPC3152 Developers Kit Due to the nature of the LPC3152 Developers Kit an evaluation board not for integration into an end product fast transient immunity tests and conducted radio frequency immunity tests have not been executed Externally conne

LPC3152 OEM Board User`s Manual

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