MOD-LCD4.3 development board USER`S MANUAL
Contents
1. 160 PINS TOTAL INTERNAL CONTROLLERS EMULATION TRACE MODULE system clo 1 XTAL1 Voo ava SYSTEM FUNCTIONS INTERNAL RC OSCILLATOR EXTERNAL MEMORY CONTROLLER 6kB RAM eu AHBTO APB BRIDGE gt AHB Q BRIDGE CAPTURE COMPARE TIMERO TIMER1 TIMER2 TIMER3 PwMo PwM1 Y LEGACY Gpo 64 PINS TOTAL A D CONVERTER gt 2kBBATTERYRAM K D A CONVERTER qu WATCHDOG TIMER K gt SYSTEMCONTROL K gt xr LPC2478 block diagram USB DEVICE HOST OTG WITH 4kB RAM AND DMA O _ SP DMA CONTROLLER LCD INTERFACE WITH DMA BS INTERFACE SSPo SP INTERFACE SSP1 INTERFACE SD MMC CARD INTERFACE UARTO UART2 UART3 UART1 CAN1 CAN2 Go A Eco C1 1202 002440805 Page 21 of 26 VREF Vssa Vssio VsscoRE VDD DCDcy3va D 31 0 A 23 0 control lines 8 x LCD control LCDVD 23 0 LCDCLKIN 3x l2SRX 3x l2STX SCKo SCK MOSIO MOSI MISOO MISO SSELO SSEL SCK1 MOSH MISO1 SSEL1 MCICLK MCIPWR MCICMD MCIDAT 3 0 TXDo TXD2 TXD3 RXDo RXD2 RXD3 TXD1 DTR1 RTS1 RXD1 DSR1 CTS1 DCD1 RI RD1 RD2 TD1 TD2 SCLO SCL1 SCL2 SDAO SDA1 SDA2 OLIMEXO 2012 MOD LCD4 3 User s Manual 7 2 Memory map OxFFFF FFFF AHB PERIPHERALS OxF000 0000 APB PERIPHERALS OxE000 0000 OxDFFF FFFF EXTERNAL STATIC AND DYNAMIC MEMORY OxA3FF FFFF EXTERNAL ON BOARD MEMORY 64MB o m BOOT ROM AND BOO2. product Thank you for purchasing MOD LCD4 3 development board assembled by OLIMEX LTD Page 2 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual Table of Contents 1 Introduction to the Chapter issccicccasscavecassssaacedecsvacsencssscacecessenrsdtvaccuaseusdecasssueaivassennvectsaeacseasubaveds 5 A rH NN 5 PA O DN 6 SETTING UP THE MOD LCD4 3 BOARD ccccssssssssccsssssssssscsscssssssssssssssssee 7 2 Introduction to the chapter oriens eren eraot ism eee pre eh ea EVVR CUR e XY so e PER C EU cepe ke a WR CE ee Wa E ra V eyed 7 2 1 Electrostatic Ww UTM isi voee baee e id iii 7 2 2 REQUINCINENAS RM is 7 2 3 Powering the AAA A O 8 2 4 Prebuilt SOfCW BUC ii AAA sand dinda 8 MOD LCD4 3 BOARD DESCRIPTION csssccccsssssssscscsssssscssssssssssssssssssssssssnneD 3 Introduction to the Chapter siscssissiscacseissicastssnssaxssaacerssrsccacverdsscassaccinassdsuceiatarecisavsioassbunsossavernabe 9 3 1 Layout top MEW dada 9 3 2 Layout Bottom VIEW idas 9 THE LPC2478FBD208 MICROCONTROLLEXR e eee eee eee eee eesceeeesssses LO A Introduction to the chapter eerte rire aeta Fa on one Pa YE nee na pU vo RM Ke ERN ENDE APER MEER MEER cada 10 4 1 The nicrocontroller RVOE EL WERE adia Reed reae 10 CONTROL CIRCULA ri LO 5 Introduction to the Chapter AAA O gesa devido 13 STR E TAN 13 32 T E EE E S TE EE TEE E O EE 13 6 Introduction to the chapter eesossosesoesosso
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4. PIBVENET ds rinm PALAA VENET Rx02 NCIOAT2 PuNeLEN Emm atday enet anoa nelonta penpetes POD 228 EXx12 20 147 pars aVENET ERC DU POL psa EX12 18 A8 ENEE E EX12 18 382 pirisVENET REP CLK ENET_RX_CLK pacas one puit mos B603 yeLLou EXT2 17 488 O PALAZ 1 047 PELO a A Pitzvencr melo Pacsau ose punersi croe USB UP LEDI USB_UF TEDI es pirigyusa UP LEDL PuNILAI CAPIrO P3L191 019 PUM8C41 0C01 n USB CONNECT 48 RO acze1 o2e Punecs ose 8 pizavuss Tx Obi A Cori Cota L2 sexo OA antec Ts TH USB CONNECT LEDI 22 E eod orate na snm S USB int Jey usp Bra TETAS Zt patzavuse ncis Lcitayecoraz uso puros Taten AO ms x LEDI 26 A E e DA CAP u0 P10241 U58_RX_DM2 LCO 181 LCOL141 PHM1151 M0S18 P3 251 025 MATOLO PUMLCZI mo lani LCDIS se Dor PAL2S 8USB 54 LCOLt 1V LCOL4S3 RUSS HSTENL MATAIT P3L281 D26 MAT L1 PUNLL3I Be Mr ira AAA te cel cal omE Nee e omer em prec d dom ARABE 19000 a8p lt NAD 109 1097 1997 1897 1000 1905 1000 Ea S TED PEI a a BU MG VERSA Us ot AA 230 O Exri 2 z rs m Eyes Z soe exis E 5 oe E ees aeoea por at mro r H 120 rex Paca a mm a2 a rene Pisas ele m und ems x tool E B Ea Bae VP E close pra nem d Ev ow ciencpHs 27 0228 o i ver Peas Sx 5 Wem SS a des E EE UDOC3U i PALLALI E as 0011 UDOC3U3 2 PAGIZVP12 a A12 D012 px Ps cais 2 Hora pe piinas LS A eas tars Hi px Piizvs za erak lima 20 we mas aav O ext2 2 ias peras ASE E123 E UDBUD 7 paizvei 10 ExT1 38
5. http www olimex com for more info Page 26 of 26
6. them Signals named Px y can be checked in the processor s datasheet for their corresponding functions EXT1 Page 15 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual AAA s w ra 3 Rs em DE mus 39 omes owns o em UMA UHR os ui ul i TELE Am o N A EA 8683 GREEN en ms um 6 4 EXT2 pads 3 o ow o4 p ow DE e 8 ms 3 omes IEC ones s omes cem Page 16 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual Pin Sigat name Pin _Singat name 3 rm ere 6 5 mini USB device Signal Name EN Not connected Efe Page 17 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual 6 6 PWR Jack Signal Name Power Input ES ZEE 6 7 micro SD MMC slot Note that the micro SD cards supported are up to 2GB of size MCICLK MCIDATO je Page 18 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual 6 8 Jumper description Most of the jumper configurations are printed with white print on the PCB for your convenience This board has only SMT jumpers which require soldering unsoldering PIN NM VDDA E When closed supplies power to the external memory Default state is closed 3 3V UEXT E When open enables UEXT connector Default state is open rN Rud 3 3V_E When open disables the p
7. CPU access 16 kB SRAM for Ethernet interface Can also be used as general purpose SRAM 16 kB SRAM for general purpose DMA use also accessible by the USB 2kBSRAM data storage powered from the RTC power domain LCD controller supporting both Super Twisted Nematic STN and Thin Film Transistors TFT displays Dedicated DMA controller Selectable display resolution up to 1024 x 768 pixels Supports up to 24 bit true color mode Dual Advanced High performance Bus AHB system allows simultaneous Ethernet DMA USB DMA and program execution from on chip flash with no contention EMC provides support for asynchronous static memory devices such as RAM ROM and flash as well as dynamic memories such as Single Data Rate SDRAM Advanced Vectored Interrupt Controller VIC supporting up to 32 vectored interrupts General Purpose AHB DMA controller GPDMA that can be used with and SD MMC interface as well as for memory to memory transfers Serial Interfaces Ethernet MAC with MII RMII interface and associated DMA controller These functions reside on an independent AHB USB 2 0 full speed dual port device host OTG controller with on chip PHY and associated DMA controller Page 10 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual Four UARTs with fractional baud rate generation one with modem control I O one with IrDA support all with FIFO CAN controller with two channels SPI controller Two SSP
8. CZ478FBD208 ls ScLO Eunn oy BUTTONS DBLOACSMD meo 1NSOLOS HO Arroyos Rr263 10K vIn oa URZU E Pun JACK ji Roda H5U_JTAS D3paiNSOi9S Sahel NAGHB3BO GF N10 i I mw Assu POSADA a usp pat tawserss Reczerze an E cae Joss cas ase o de ye oho o Ds co s une a BOS778WFP RESET T1187R 6x3 8x2 5 11107A 6x3 8x2 5 TA R54 4 99K 474 Page 24 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual 8 2 Physical dimensions Note that all dimensions are in inches Page 25 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual CHAPTER 9 REVISION HISTORY 9 Introduction to the chapter In this chapter you will find the current and the previous version of the document you are reading Also the web page for your device is listed Be sure to check it after a purchase for the latest available updates and examples 9 1 Document revision Pages 9 2 Web page of your device The web page you can visit for more info on your device is http olimex com dev mod 1cd43 html There you can find more info and some examples ORDER CODES MOD LCD4 3 completely assembled and tested ARM USB TINY for custom programming debugging ARM USB TINY H for custom programming debugging USB MINI CABLE USBmini to USB A cable How to order You can order to us directly or by any of our distributors Check our webpage
9. OUPRIEX MOD LCD4 3 development board USER S MANUAL Initial release March 2012 Designed by OLIMEX Ltd 2011 lead free All boards produced by Olimex LTD are ROHS compliant OLIMEXO 2012 MOD LCD4 3 User s Manual Disclaimer 2012 Olimex Ltd Olimex logo and combinations thereof are registered trademarks of Olimex Ltd Other terms and product names may be trademarks of others The information in this document is provided in connection with Olimex products No license express or implied or otherwise to any intellectual property right is granted by this document or in connection with the sale of Olimex products Neither the whole nor any part of the information contained in or the product described in this document may be adapted or reproduced in any material from except with the prior written permission of the copyright holder The product described in this document is subject to continuous development and improvements All particulars of the product and its use contained in this document are given by OLIMEX in good faith However all warranties implied or expressed including but not limited to implied warranties of merchantability or fitness for purpose are excluded This document is intended only to assist the reader in the use of the product OLIMEX Ltd shall not be liable for any loss or damage arising from the use of any information in this document or any error or omission in such information or any incorrect use of the
10. T FLASH BOOT FLASH REMAPPED FROM ON CHIP FLASH RESERVED ADDRESS SPACE ON CHIP STATIC RAM 0x4000 0000 Ox3FFF FFFF SPECIAL REGISTERS OX3FFF 8000 RESERVED ADDRESS SPACE 0x0008 0000 0x0007 FFFF ON CHIP NON VOLATILE MEMORY 0x0000 0000 Fig 4 LPC2478 memory map Page 22 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual CHAPTER 8 SCHEMATICS 8 Introduction to the chapter In this chapter are located the schematics describing logically and physically MOD LCD4 3 8 1 Eagle schematic MOD LCD4 3 schematic is visible for reference here You can also find them on the web page for MOD LCD4 3 at our site http olimex com dev mod lcd43 html They are located in HARDWARE section The EAGLE schematic is situated on the next page for quicker reference Page 23 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual MOD LCD4 3 Rev A WWW OL IME X COM DEU UEXT LCD 3 30_UEXT_E TS vz resa m ES is ES e E E ExT2 40 paroy R017Tx03750A1 PEOPLE DON TRACE LCD e e A AA Batty a AND PIBES TATO LCOLE nazar panoe Datay matiia cTSh IDESTAS LcoOb E Ea ocres Att ES Lee Pax ASK LM COLO a empatar Sacsyeumatoi osta rnncesrne Leoee 3 ne LL bacsyiasmnc scouts Yo2 enbact3 Saeta rasceaco escs sb exta 7 p VENTO LBS a CORA CONS SORA MATELI AA POLE ESTAS CO PISO NTC P2L81 102 1x02 TRACEPK T L COL2I LCOL6I a DE da Lepiz POCSI 125TX SDA LCOES71 HOSIA MAT2C31 PRLS USB CONNECTS RKD2 EXTINA LCDCAN LEDIA3 22102 02 EXT2 36 P
11. cesossosescesossosesossosesossossosesossossocesossossoessosssosesseeseo 14 ARENA O NN 14 6 2 VEXNT AN a 15 6 3 EX ET pads ii il 15 GAEXT2 DA Sicuani ici andadas ai 16 6 5 mmi USB do 17 GiB PWR Tack E A 18 6 7 micro SD MMC odiada 18 Page 3 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual 6 8 Jumper descripti n sssessssssissssesssceseossssssonsssroceosss ssrossssecessssssssec cossseso scssrsstsseessssses sssss ss 19 6 9 Touchscreen display with backlight occooonoooncononoonnnononcnononocncnaccnnoconncnnaconaconcccconacocnonass 20 6 10 Additional hardware COMponents sccssccscsccssscsssscssccscscssscsssssscscssscsscscssssssessseeeens 20 7 Introduction to the Chapter seuisscacetstusssseusivacoseasvensniebsscndusiverouastuncesvasssvaiceadennsacusdsarssasaoviansvenes 21 7 1 Block Hag MD a bra Dada ads 21 7 2 Memory map ico dvd aea Ee x ERE UR ERE NEN ER US EE det Teliana entered EP LEN a ERKENNEN LAE VOR UNE DRUS 22 8 Introduction to the chapter eesossoeesossosssessossoeescssossosssossosesessossosssossoseoessossosesessosssessssoeses 23 S T Eaple COMICAS A ANA 23 8 2 Physical dinienslols a e ranae oa kir an sa ada id sessiot osoetara sas eaa aoao osa 25 9 Introduction to the Chapter sssssicsscsccnssicosadeiscccissassoveccoavoctadosentaesacstovesscouubeuesteassausaseanseduaassoauss 26 9 1 Document revi ada T T E TT sso so ssoi 26 9 2 Web page of your CEVICEs occcssassctecesssissstasesdevsiveissu
12. controllers with FIFO and multi protocol capabilities One is an alternate for the SPI port sharing its interrupt SSPs can be used with the GPDMA controller Three I2C bus interfaces one with open drain and two with standard port pins 2S Inter IC Sound interface for digital audio input or output It can be used with the GPDMA e Other peripherals SD MMC memory card interface 160 General purpose I O pins with configurable pull up down resistors 10 bit ADC with input multiplexing among 8 pins 10 bit DAC Four general purpose timers counters with 8 capture inputs and 10 compare outputs Each timer block has an external count input Two PWM timer blocks with support for three phase motor control Each PWM has an external count inputs Real Time Clock RTC with separate power domain Clock source can be the RTC oscillator or the APB clock 2kBSRAM powered from the RTC power pin allowing data to be stored when the rest of the chip is powered off WatchDog Timer WDT The WDT can be clocked from the internal RC oscillator the RTC oscillator or the APB clock Single 3 3 V power supply 3 0 V to 3 6 V 4 MHz internal RC oscillator trimmed to 1 accuracy that can optionally be used as the system clock Three reduced power modes idle sleep and power down Four external interrupt inputs configurable as edge level sensitive All pins on port 0 and port 2 can be used as edge sensitive inte
13. duction to the chapter Here you can find information about reset circuit and quartz crystal locations 5 1 Reset MOD LCDA4 3 reset circuit includes R25 33 KQ C8 100 nF LPC2478 pin 35 NRST and a RESET button The RESET is also connected to the JTAG pin 15 5 2 Clock 12 MHz quartz crystal Q1 is connected to pins 44 and 46 of the processor Real time clock RTC Q2 32 768 Hz is found at pins 34 and 36 of the processor Page 13 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual CHAPTER 6 HARDWARE 6 Introduction to the chapter In this chapter are presented the connectors that can be found on the board all together with their pinout Jumpers functions are described Notes and info on specific peripherals are presented Notes regarding the interfaces are given 6 1 JTAG connector The 20 pin JTAG connector provides the interface for JTAG programming debugging JTAG interface Signal Name Signal Name m 1 Page 14 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual 6 2 UEXT MOD LCD4 3 board has UEXT connector and can interface Olimex s UEXT boards adding display and SD card functionality Of course the board can be used standalone For more information on UEXT please visit http www olimex com dev OTHER UEXT pdf Signal Name 6 3 EXTI pads EXT1 and EXT lead the unused processor pins to neat pads positioned near the end of the bottom of the board Note that there isn t connectors attached to
14. ge for all unused Page 5 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual LPC2478 ports FR 4 1 5 mm red soldermask component print Dimensions 115mm x 67 5mm 4 5 x 2 7 1 2 Organization Each section in this document covers a separate topic organized as follow Chapter 1 is an overview of the board usage and features Chapter 2 provides a guide for quickly setting up the board Chapter 3 contains the general board diagram and layout Chapter 4 describes the component that is the heart of the board the LPC2478FBD208 microcontroller Chapter 5 is an explanation of the control circuitry associated with the microcontroller to reset Also shows the clocks on the board Chapter 6 covers the connector pinout peripherals and jumper description Chapter 7 shows the memory map Chapter 8 provides the schematics Chapter 9 contains the revision history Page 6 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual CHAPTER 2 SETTING UP THE MOD LCD4 3 BOARD 2 Introduction to the chapter This section helps you set up the MOD LCD4 3 development board for the first time Please consider first the electrostatic warning to avoid damaging the board then discover the hardware and software required to operate the board The procedure to power up the board is given and a description of the default board behavior is detailed 2 1 Electrostatic warning MOD LCDA 3 is shipped in a protective anti static package The board must not be exposed to hig
15. h electrostatic potentials A grounding strap or similar protective device should be worn when handling the board Avoid touching the component pins or any other metallic element 2 2 Requirements In order to set up the MOD LCDA 3 the following items are required A source of power applied to at least one of the following mini USB standard 5V PWRJACK 9 12Vdc or 6 9Vac JTAG 5V from the JTAG debugger JUEXT 3 3V from external host device connected to the UEXT EXTI EXT2 5V applied directly A programmer that has 20 pin interface and supports programming of LPC2478 You may use any of Olimex s ARM JTAG programmer debugger For example ARM USB TINY H for this task Also a host based software toolchain is required in order to program debug the MOD LCD4 3 board There are also a number of ready IDEs available like AR Embedded Workbench Rowley CrossWorks etc Olimex also maintains own distribution of GCC and Eclipse suitable for use with our programmers Page 7 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual 2 3 Powering the board On powering the board the PWR LED the SD LED and the display should turn on After that the touchscreen should show a simple color palette and a mouse pointer that responses on dragging If measuring the current consumption it should be around 15 mA 2 4 Prebuilt software On arrival the board has a basic demo installed which features test of the LEDs the color range and
16. otsoa x03 Sog AT 303 A 338 Mur E EXT2 37 PALLLI RXD2 SCL2 MATALA pensar ctc knN wCIDATL DST BB paria E EXT2 36 HOGIIVUSS PPURI NISDi RDRESl PaHi2VREINT2 LCOLH LCDCQV LCOGIVLCOLIBV NCINT2 2S CU ADE FA a FA EX2 38 DECLA o EDS raat SBC VENTA LEESS L COLS EoriS cin a lesson 49 2 be Bacso1 Txos7sex0 sce PAGS CSS CNPZLLVCLI POS DL SSCLU SGC pansyacas E uox seas m a Paci7i ers misoo miso ds mmn Ei KOSI 124 paciavocot moste nost patavecxaure 39 seu El acea a Petsvoset micuo soma Patteuveceaurs pass E hou 6 3 2605 EXT2 33 6K28N 0 TRA HCICAO SELA Batao1 aovese i El 32 3118 pecivu pavo Pastores exi 85 PROV S CIONTO Tos parres SS EX11 18 E Pe DON 26s COL cnpatan sztzaveves enpanrestto S EXT A aso BOCA ROUGE IS H CRDI Catenvexeaure 33 jadis NES SD 1x03 posivcreours 84 EXT4 18 a 32 AS earzevoccoura mames FR EXT1 16 2 Ext2 30 Dec271 SDRO Patzevrexeaurarnmracsammosia 34 E41 17 EX12 28 ecaGI SELO samevbamure 49 EME PO2SVUSE Dei Pazayooaurs 3 ama 1k DAT2 RES P C3 1 USB_D 1 P2130y DQnOUT2 HAT3C2VSDR2 4 EXT1 18 ae ggz Pi UTM 91 8002 exTa 18 h T pa patoy oe i ExT2 26 pacoyeNer oe Ea Sees enEEN EX12 28 SA Er TET 48S ata ener noz ncrcucpunean Era PAGVENET THOR FCICR PUC E EXT2 24 gt erp S Pit4VENET TX EN P3151 05 PeR 34 pitswENET TXCER mcIPuR Punta P3LI D6 BEIBRIS 321 puteveneT ccu mctonro putt E RIDRTI 153 ES Ed 188 PigvENET CRS DU ENCT CRS rd 488 ASA pari0x 028
17. ower supply to the processor Default state is closed rN Le VREF_E When open disconnects VREF on the processor PIN24 Default state is closed Page 19 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual 6 9 Touchscreen display with backlight Anti glare surface treatment Pixels 480 x 3 RGB x 272 Pixels Dot pitch 0 066 W x 0 198 H mm More info http www datamate j com 201202 GFT043HA480272Y Rev A pdf 6 10 Additional hardware components The components below are mounted on MOD LCD4 3 but are not discussed above They are listed here for completeness Accelerometer Additional SDRAM Buttons BUT RST 2 status LEDs PWR LED Page 20 of 26 OLIMEXO 2012 CHAPTER 7 MEMORY 7 Introduction to the chapter MOD LCD4 3 User s Manual On the next page you can find a memory map for this family of processors It is strongly recommended to refer to the original datasheet released by NXP for one of higher quality 7 1 Block diagram As shown in the processor s documentation Po P1 P2 Pa P4 MIV AMII EINT3 to EINTO Po P2 2 x CAPO CAP1 CAP2 CAP3 4 x MAT2 MAT3 2 x MATO 3x MAT1 6 x PWMO PWM1 1x PCAPO 2x PCAP1 Po P1 8x ADO AOUT VBAT power domain 2 RTCX1 RTCX2 ALARM Fig 1 Eee 64kB 512kB SRAM FLASH HIGH SPEED _ EXTERNAL INTERRUPTS RTC me gt El OSCILLATOR E CLOCK TMS TDI TRST TCK TDO trace signals TEST DEBUG INTERFACE GPIO ARM7TDMI S
18. rrupt sources e Processor wake up from Power down mode via any interrupt able to operate during Power down mode includes external interrupts RTC interrupt USB activity Ethernet wake up interrupt CAN bus activity port 0 2 pin interrupt Two independent power needed features Each peripheral has its own clock divider for further power saving These dividers help reduce active power by 20 96 to 30 96 e Brownout detect with separate thresholds for interrupt and forced reset On chip power on reset e On chip crystal oscillator with an operating range of 1 MHz to 24 MHz On chip PLL allows CPU operation up to the maximum CPU rate without the need for a Page 11 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual high frequency crystal May be run from the main oscillator the internal RC oscillator or the RTC oscillator Boundary scan for simplified board testing Versatile pin function selections allow more possibilities for using on chip peripheral functions Standard ARM test debug interface for compatibility with existing tools Emulation trace module supports real time trace For comprehensive information on the microcontroller visit the NXP s web page for a datasheet At the moment of writing the microcontroller datasheet can be found at the following link http www nxp com documents data_sheet LPC2478 pdf Page 12 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual CHAPTER 5 CONTROL CIRCUITY 5 Intro
19. the touch response of the LCD the SD card slot and the USB connectivity Page 8 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual CHAPTER 3 MOD LCD4 3 BOARD DESCRIPTION 3 Introduction to the chapter Here you get acquainted with the main parts of the board Note the names used on the board differ from the names used to describe them For the actual names check the MOD LCDA 3 board itself 3 1 Layout top view USB LED PWR LED RESET JTAG 20 pin mini USB UEXT_E UEXT amp P att Ds P S Compliant eA Es E HHH SHH 2011 PoH 3 Rev amp 65 7 455 HHB OLIMEX CAM DE il EIL cha C43 2 15 00 wi ga re Aetnae Ea 44 a CESA irm 4 y NE EXT1 amp EXT2 SD Activity LED SD MMC VDDA_E PWR_JACK Page 9 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual CHAPTER 4 THE LPC2478FBD208 MICROCONTROLLER 4 Introduction to the chapter In this chapter is located the information about the heart of MOD LCD4 3 its microcontroller The information is a modified version of the datasheet provided by its manufacturers 4 1 The microcontroller ARM7TDML S processor running at up to 72 MHz 512 kB on chip flash program memory with In System Programming ISP and In Application Programming IAP capabilities Flash program memory is on the ARM local bus for high performance CPU access 98 kB on chip SRAM includes 64 kB of SRAM on the ARM local bus for high performance
20. usssiescctsossssiunasdustbues oassveuntbanscedeabarasvisunessace 26 Page 4 of 26 OLIMEXO 2012 MOD LCD4 3 User s Manual CHAPTER 1 OVERVIEW 1 Introduction to the chapter Thank you for choosing the MOD LCD4 3 development board from Olimex This document provides a User s Guide for the Olimex MOD LCD4 3 development board As an overview this chapter gives the scope of this document and lists the board s features The document s organization is then detailed The MOD LCD4 3 development board enables code development of applications running on the LPC2478 microcontroller manufactured by NXP The board is suitable as a touchscreen LCD extension to existing and future Olimex boards that have UEXT connector Also due to the flexible flat cable connecting the display to the board it is very easy for the LCD to be embedded in industrial panels 1 1 Features e MCU LPC2478 512KB Flash 98KB RAM 72Mhz LCD 4 3 480x272 pixels 24bit color TFT color with Backlight and Touchscreen micro SD card e 32MB of SDRAM e DC DC for the LCD backlight UEXT connector to interface with any of our development boards with UEXT connector mini USB device connector optional 3 axis digital accelerometer with 11 bit accuracy USB device connector JI AG connector RESET button and circuit USER button e power supply LED USB activity LED e Touchscreen interface EXT1 and EXT2 2x20 pin 0 05 extension connectors on the board ed
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