2.2 inch 320*240 Touch LCD (A)

This 2.2 inch 320*240 Touch LCD is compatible with OpenM128.
PIN NO. SYMBOL DESCRIPTION FUNCTION
1 GND Ground Ground
2
3 3.3V 3.3V power supply Connects to 3.3V
4
5 PWM Backlight brightness adjustment Control the backlight brightness via PWM
6
8 NC NC NC
10 NC
12 NC
14 NC
16 NC
18 NC
20 NC
22 NC
24 NC
26 NC
28 NC
30 NC
7 NC
9 NC
11 NC
13 NC
15 NC
17 NC
19 T_IRQ Touch screen interrupt Low level while the touch screen detects pressing
21 T_BUSY Touch screen chip busy
23 T_CS Touch screen chip select Low active
25 T_DCLK Touch screen SPI clock Connects to SPI SCK
27 T_DIN Touch screen data input Connects to SPI MOSI
29 T_DOUT Touch screen data output Connects to SPI MISO
31 RESET Reset the controller chip Low active
32
33 SCI Screen SPI data input (in Serial Mode) Connects to SPI MOSI
35 SCL Screen SPI clock (in Serial Mode) Connects to SPI SCK
34 NC NC NC
36 NC NC NC
37 CS LCD chip select (in Serial Mode) Low active
38
39 RS Instruction/Data register selection RS = 1 : Data Register
RS = 0 : Instruction Register