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August 7, 2009

9

Stellaris® Intelligent Display Module with 3.5" 
Landscape Display Reference Design Kit Overview

Stellaris® Intelligent Display Module with 3.5" Landscape Display (MDL-IDM-L35) Reference 
Design Kit (RDK-IDM-L35) is a highly integrated QVGA touch-panel module for automation and 
instrumentation applications. The compact design is based on the Stellaris® LM3S1958 
microcontroller; a highly integrated microcontroller incorporating a 32-bit ARM® Cortex™-M3 core. 

Development of software for the RDK-IDM-L35 is simplified by using the Stellaris comprehensive 
graphics library and ARM development tools from our tools partners. The IDM-L35 RDK includes 
the touch panel module (MDL-IDM-L35), a documentation CD, power supply, and cables.

The IDM-L35 design uses a Stellaris® LM3S1958 microcontroller to handle display functions, 
touchscreen control, networking, and peripheral functions. Only a few additional ICs are necessary 
to complete the design. The entire circuit is built on a compact four-layer printed circuit board. All 
design files are provided on the RDK-IDM-L35 CD.

This user's manual provides comprehensive information on the reference design hardware and 
software.

Figure 1-1.

Intelligent Display Module with 3.5" Landscape Display

C H A P T E R   1

Содержание Stellaris IDM-L35

Страница 1: ...RDK IDM L35 01 Copyright 2008 2009 Texas Instruments User s Manual Stellaris Intelligent Display Module IDM L35 with 3 5 Landscape Display Reference Design Kit ...

Страница 2: ... are registered trademarks of Texas Instruments ARM and Thumb are registered trademarks and Cortex is a trademark of ARM Limited Other names and brands may be claimed as the property of others Texas Instruments 108 Wild Basin Suite 350 Austin TX 78746 Main 1 512 279 8800 Fax 1 512 279 8879 http www luminarymicro com ...

Страница 3: ...G Schematic page 1 14 Microcontroller 14 Debugging 14 LCD Panel and Voltage Regulators Schematic page 2 14 LCD Panel 14 Touch Panel 15 High Power LED Driver 15 3 3 V DC Regulator 15 UART microSD Card Slot Speaker Analog Inputs Digital I O Schematic page 3 15 RS232 Serial Port 15 microSD Card Slot 15 Speaker 15 Analog Inputs 16 Digital I O 16 Serial Header 16 Chapter 3 Software Development 17 Softw...

Страница 4: ...4 August 7 2009 ...

Страница 5: ...lligent Display Module with 3 5 Landscape Display 9 Figure 1 2 IDM L35 Board Overview Diagram 11 Figure 2 1 Intelligent Display Module with 3 5 Display Block Diagram 13 Figure 2 2 Debug Connection Pinout 14 Figure C 1 Component placement plot for top 29 Figure C 2 Component placement plot for bottom 30 ...

Страница 6: ...6 August 7 2009 ...

Страница 7: ...Stellaris Intelligent Display Module with 3 5 Display August 7 2009 7 List of Tables Table B 1 RDK IDM L35 Bill of Materials 25 ...

Страница 8: ...8 August 7 2009 ...

Страница 9: ...by using the Stellaris comprehensive graphics library and ARM development tools from our tools partners The IDM L35 RDK includes the touch panel module MDL IDM L35 a documentation CD power supply and cables The IDM L35 design uses a Stellaris LM3S1958 microcontroller to handle display functions touchscreen control networking and peripheral functions Only a few additional ICs are necessary to compl...

Страница 10: ... tool chain and the Stellaris Graphics library to develop a touch panel application Software applications are loaded into IDM flash memory using a JTAG SWD debug interface or via the serial port using the included boot loader software See Chapter 3 Software Development for the programming procedure The Stellaris Graphics Library Software Reference Manual and the Stellaris Peripheral Driver Library...

Страница 11: ... Includes full source code example applications and design files Develop using tools supporting the FastMATH from Keil IAR Code Sourcery and Code Red using a Stellaris evaluation kit or preferred ARM Cortex M3 debugger Supported by the Stellaris Graphics Library and Stellaris Peripheral Driver Library Board Overview Figure 1 2 shows an overview of the board Figure 1 2 IDM L35 Board Overview Diagra...

Страница 12: ...Stellaris Intelligent Display Module with 3 5 Landscape Display Reference Design Kit Overview 12 August 7 2009 ...

Страница 13: ...er printed circuit board All design files are provided on the RDK IDM L35 CD Block Diagram Figure 2 1 shows the IDM L35 block diagram Figure 2 1 Intelligent Display Module with 3 5 Display Block Diagram QVGA 3 5 LCD Panel LCD Driver Stellaris LM3S1958 Microcontroller Speaker microSD card microSD RS232 Serial Analog 5 V ADC 4 Analog touch signals 3 3V Regulator 3 3V 5V 5V DC Jack Data Ctrl Digital ...

Страница 14: ... which matches ARM s fine pitch definition Figure 2 2 Some in circuit debuggers provide a matching connector Other debuggers can be used with the ADA1 adaptor board included in the RDK Figure 2 2 Debug Connection Pinout LCD Panel and Voltage Regulators Schematic page 2 Page 2 of the schematics contains the LCD panel connector 3 3 V DC regulator and the high voltage LED driver for the LCD panel bac...

Страница 15: ...etection functions High Power LED Driver The LCD panel backlight has 6 LEDs in series and requires a high power LED driver U7 for operation providing 20 mA at 20 V The LCD_BL signal driven from a microcontroller GPIO is used to turn the backlight on and off A 1 kHZ PWM signal can be used instead for dim control 3 3 V DC Regulator The IDM L35 operates with 5 V DC which can be applied via DC jack J7...

Страница 16: ...signals as required Refer to the MDL IDM L35 data sheet for electrical specifications on these signals Headers J4 and J5 provide 12 additional digital I O lines directly connected to the microcontroller Header J4 provides 8 digital I O lines connected to port G PG0 PG7 with PG0 and PG1 allocated for UART2 and header J5 provides 4 digital I O lines connected to PA6 PA7 PD0 and PD1 Note that these s...

Страница 17: ...sing the widget set complex interactive graphical displays can be constructed quickly A set of drivers for the on board peripherals is also provided This includes a driver for the touch screen the audio transducer the analog inputs and the microSD card The IDM L35 is also supplied with a set of example applications that utilize the Stellaris Peripheral Driver Library and the Stellaris Graphics Lib...

Страница 18: ... not present or where the main application image is not behaving correctly and cannot transfer control to the boot loader However in normal operation it is more convenient to program via the serial port To program example applications into the IDM L35 using the serial port for firmware update 1 Install the LM Flash Programmer utility on a Windows PC 2 Connect the 6 pin connector of the USB to TTL ...

Страница 19: ...s rdk idm l35 8 Each example application has its own directory Navigate into the example directory that you wish to load and then into the gcc directory or the directory corresponding to the tool chain you are using which contains the binary bin files Files named with a bl_ prefix are Stellaris boot loader images while those without the prefix are main application images Select the binary file and...

Страница 20: ...Software Development 20 August 7 2009 ...

Страница 21: ...s the schematic diagrams for the Intelligent Display Module IDM L35 Microcontroller and JTAG on page 22 IDM L35 LCD Display and DC Regulators on page 23 IDM L35 UART microSD Card Slot Speaker Analog Inputs and Digital I O on page 24 A P P E N D I X A ...

Страница 22: ...DC2 ADC3 U0RX U0TX PA2 PA3 PA4 PA5 PA6 PA7 PG0 PG1 PG2 PG3 PG4 PG5 PG6 PG7 SOUND LCD_RSTn TOUCH_XP TOUCH_XN TOUCH_YN TOUCH_YP PD0 PD1 1 2 3 4 5 6 7 8 9 10 JTAG SWD J6 HDR 2X5 MH 3 3V C10 0 1uF R12 10K R13 10K R14 10K R15 10K 3 3V LCD_D 15 0 LCD_BL LCD_WRn LCD_RDn LCD_DC LCD_D0 LCD_D5 PA0 U0RX 26 PA1 U0TX 27 PA2 SSI0CLK 28 PA3 SSI0FSS 29 PA4 SSI0RX 30 PA5 SSI0TX 31 PC0 TCK SWCLK 80 PC1 TMS SWDIO 79...

Страница 23: ...3V LEDK C7 0 01uF C6 0 01uF C9 0 01uF C8 0 01uF TP1 R16 10K R17 10K C14 4 7uF C12 0 1uF C13 0 1uF VLED 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 M1 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 M2 P1 FPC_Socket_60pin LCD_RSTn LCD_D 15 0 TOUCH_XP TOUCH_XN TOUCH_YN TOUCH_YP LCD_D 15 0 C36 4 7uF 5V SHDN 4 VIN 5 SW 1 GN...

Страница 24: ...7uF C3 0 47uF R8 10K 3 3V 1 2 3 UART J3 HDR 1X3 VCC 15 C2 5 C2 6 C1 2 C1 4 INVALID 10 V 3 V 7 T1IN 11 T1OUT 13 GND 14 R1OUT 9 R1IN 8 EN 1 FORCEON 12 FORCEOFF 16 U2 MAX3221 TP2 UTX URX ADC0 ADC1 ADC2 ADC3 PA2 PA3 PA4 PA5 PA6 PA7 PG0 PG1 PG2 PG3 PG4 PG5 PG6 PG7 PD0 PD1 R24 33 2 Q1 MMBT3904 R26 2 80k D4 MMSD4148T1G 5V 3 2 1 4 _ SPK1 Buzzer SOUND microSD Card Slot R18 10K R19 10K R20 10K 3 3V C11 0 1u...

Страница 25: ...10 50V Murata GRM31CR71H105KA61L 1 8 D1 LED GREEN SGL 20mA 0805 CML Innovative Technologies 7012X5 1 9 D2 DIODE SCHOTTKY 200mA 30V Fairchild Semiconductor BAT54 1 10 D3 ZENER DIODE 24V 1W SMA Diodes Inc SMAZ24 13 F 1 11 D4 DIODE Switching ON Semiconductor MMSD4148T1G 1 12 J1 Terminal Block 6 pin 3 5mm T H On Shore Technology ED555 6DS 1 13 J2 Terminal Block 4 pin 3 5mm T H On Shore Technology ED55...

Страница 26: ...as Instruments LM3S1958 IQC50 1 31 U2 RS 232 Transceiver Texas Instruments MAX3221ECDB 1 32 U3 IC 350mA LDO regulator Sharp Microelectronics PQ1N333MASPQ 1 33 U4 U5 U6 Quad monolithic common anode TVS ON SEMICONDUCTOR MMQA5V6T1G 3 34 U7 Serial LED Driver Switcher 1 5MHz 30V SMT Fairchild FAN5333BSX 1 35 Y1 XTAL 8 000MHz NDK NX8045GB 8 000000MHZ 1 Additional Parts for Module Item Designator Descrip...

Страница 27: ...7 2009 27 40 Machine screw 4 40 x 0 25 lead free machine screw Richco Plastic NSP 4 4 01 4 Alternate supplier for screws above Building Fasteners NY PMS 440 0025 PH Table B 1 RDK IDM L35 Bill of Materials Continued Item Designator Description MFG Order Number Qty ...

Страница 28: ...28 August 7 2009 ...

Страница 29: ...t Details This appendix contains details on component locations including Component placement plot for top Figure C 1 Component placement plot for bottom Figure C 2 Figure C 1 Component placement plot for top A P P E N D I X C ...

Страница 30: ...30 August 7 2009 Figure C 2 Component placement plot for bottom ...

Страница 31: ...ess practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary...

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