Hardware Documentation armStone
™A9
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4.7
ESDCI RGB connector
Connector is a 1.27mm pitch shrouded header for 1.27mm pitch IDC connector.
All signals have 3.3V level. I2C signals are for touch controller and to control the backlight on
display adapter.
Pin
Function
1
+V3.3, max. 1000 mA
2
+V5.0, max. 1000 mA
3,7,14,21,28
GND
4
LCD_CLK
5
LCD_HSYNC
6
LCD_VSYNC
8
LCD_R0
9
LCD_R1
10
LCD_R2
11
LCD_R3
12
LCD_R4
13
LCD_R5
15
LCD_G0
16
LCD_G1
17
LCD_G2
18
LCD_G3
19
LCD_G4
20
LCD_G5
22
LCD_B0
23
LCD_B1
24
LCD_B2
25
LCD_B3
26
LCD_B4
27
LCD_B5
29
LCD_DE
30, 31
VLCD (3.3V switched, max. 300mA), usable as VLCDON
32
I2C_DAT (shared with I2C connector for touch module), 4,7k PullUp
33
I2C_IRQ (shared with I2C connector for touch module)
34
I2C_CLK (shared with I2C connector for touch module), 4,7k PullUp
Table 4: Digital RGB display connector
