Rev.: 01 EM-STM3210C LCD Interface Expansion Board (EB-STM3210C-LCD) User Guide 1 EB-STM3210C-LCD Overview The EB-STM3210C-LCD is an extension board for the EM-STM3210C 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-STM3210C-LCD Dimensions Figure 2. Outline Dimensions (Top) Figure 2. LCD connector Location (Bottom) Rev.: 01 3 EB-STM3210C-LCD Interface Table 1. Main Interface Signal (40pin header connect to EM-STM3210C MCU board) Pin Symbol Description 1 CS Chip select signal for LCD 2 NC Default connected to GND on MCU board. 3 SCL Serial clock input for LCD 4 NC Default connected to GND on MCU board. 5 Reset Reset input signal for LCD 6~21 D0~D15 16-bit data bus, not used. 22 GND Ground (0V) Command/Data select input for LCD 23 RS 24, 25 VDD Power Supply (3.3V) 26, 27 GND Ground (0V) 28 VDD Power Supply (3.3V) 29 NC No connection 30 SDI Serial data input for LCD 31 XL 32 XR Reserved for 4-wire resistive touch screen 33 YD 34 YU 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 Ground (0V) 6 XR 7 YD 4-wire resistor touch screen terminal 8 XL 9 YU 10 GND Ground (0V) 11~13 NC No Connection 14 Reset Reset input signal for LCD 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 Data bit 1 ~ bit 5 26, 27 NC No Connection Data bit 6 ~ bit 8 28~30 D6~D8 Data bit 9, default connected to GND on MCU board 31 D9 32, 33 D10, D11 Data bit 10 ~ bit 11 34, 35 NC No Connection