Rev.: 01 EM-STM3210E LCD Interface Expansion Board (EB-STM3210E-LCD) User Guide 1 EB-STM3210E-LCD Overview The EB-STM3210E-LCD is an extension board for the EM-STM3210E Development Board (see Figure 1). Figure 1. LCD connector expansion board for EM-STM3210C The expansion board has build in LED backlight driver circuit and 60pin FPC connector for the Kentec LCDs (3.5 inch: K350QVG-V2-F; 4.3 inch: K430WQC-V3-FF; 5.0 inch: K50DWN2-V1-FF; 7.0 inch: K70DWN2-V1-FF; 9.0 inch: K90DWN2-V1-FF). 2 EB-STM3210E-LCD Dimensions Figure 2. Outline Dimensions (Top) Figure 2. LCD connector Location (Bottom) Rev.: 01 3 EB-STM3210E-LCD Interface Table 1. Main Interface Signal (40pin header connect to EM-STM3210E MCU board) Pin Symbol Description 1 CS Chip select signal for LCD 2 RS Command/Data select input for LCD 3 WR Write control signal for LCD 4 RD Read control signal for LCD 5 Reset 6~21 D0~D15 22 GND 23 BL_ON 24, 25 VDD Power Supply (3.3V) 26, 27 GND Ground (0V) 28 VDD Power Supply (3.3V) 29, 30 NC 31 XL 32 XR 33 YD 34 YU Reset input signal for LCD 16-bit data bus Ground (0V) LCD Backlight control input. No connection Reserved for 4-wire resistive touch screen Table 2. LCD Interface Signal (60pin ZIF connector to LCD module) Pin Symbol Description 1, 2 LED_K LED power supply (-) 3, 4 LED_A LED power supply (+) 5 GND 6 XR 7 YD 8 XL 9 YU 10 GND 11~13 NC 14 Reset 15 CS Chip select for LCD 16~19 NC No Connection 20 D0 Data bit 0, default connected to GND on MCU board 21~25 D1~D5 26, 27 NC 28~30 D6~D8 31 D9 32, 33 D10, D11 34, 35 NC Ground (0V) 4-wire resistor touch screen terminal Ground (0V) No Connection Reset input signal for LCD Data bit 1 ~ bit 5 No Connection Data bit 6 ~ bit 8 Data bit 9, default connected to GND on MCU board Data bit 10 ~ bit 11 No Connection Continued Table 2, LCD Interface Signal (60pin ZIF connector to LCD module) Rev.: 01 Data bit 12 ~ bit 17 36~41 D12~D17 42~44 GND Ground (0V) 45, 46 AVDD Power supply (3.3V) 47, 48 VCC Power supply (3.3V) 49 RS Command/Data select signal for LCD 50 RD Read control signal for LCD 51 WR Write control signal for LCD 52 PS0 LCD interface select pin for K350QVG-V2-F, default set to 4-wire SPI interface. 53 PS1 54 PS2 55 PS3 56, 57 NC 58~60 GND No connection Ground (0V) 4 Schematics 1 2 3 4 D D R2 R1 R6 R5 R4 R8 C 1 LED-K 2 3 LED-A 4 5 XR 6 YD 7 XL 8 YU 9 10 11 12 13 0R RESET 14 0R CS 15 NC 16 NC 17 18 19 20 D0 21 D1 22 D2 23 D3 24 D4 25 26 27 D5 28 D6 29 D7 30 31 D8 32 D9 33 34 35 D10 36 D11 37 D12 38 D13 39 D14 40 D15 41 42 43 44 45 3V3 R19 0R 46 3V3 47 48 RS 49 0R RD 50 0R WR 51 PS0 52 PS1 53 PS2 54 PS3 55 56 57 58 59 60 LED-K LED-K LED-A LED-A GND XR YD XL YU GND NC NC NC RESET CS SPCLK SPSDA NC NC D0 D1 D2 D3 D4 D5 NC NC D6 D7 D8 D9 D10 D11 NC NC D12 D13 D14 D15 D16 D17 HSYNC VSYNC DCLK AVDD AVDD VCC VCC DC RD WR PS0 PS1 PS2 PS3 WSYNC NC OE(DEN) GND GND CN1 R11 R12 R13 R14 R15 R16 R17 R18 3V3 3V3 NC 0R NC 0R 0R NC NC 0R 3V3 C1 0.1uF C2 0.1uF C P1 B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 CS RS WR/SCL RD RESET R3 0R SCK 3V3 L1 22uH C3 4.7uF C4 R10 100K U1 1 VIN D1 SW 1.0uF LED-A 5 SW B LED-A D2 2 R9 GND VDD VDD GND GND R7 3V3 3 NC NC SDO SDI XL XR YD YU GND EN GND FB PT4110 0 LED-K 4 R20 NC R21 15R(for 20mA) LED-K Title Size CON34 A Number Revision A4 Date: File: 1 2 23-Aug-2011 Sheet of D:\KentecDisplay\Element14\Embest\EM-LPC1700\PCB\EM-S Drawn By: TM3210C_LCD.ddb 3 4 Figure 3. Expansion board schematic 5 LCD driver code examples Bellow attachment is the source code for the K350QVG-V2-F. NO. Document 1 Source code package Attachment