2.2 inch 320*240 DOTS multicolor Graphic TFT LCD, onboard 1-chip driver for 240 RGB x 320 DOT TFT-LCD with RAM.
Key Parameters
| LCD Controller |
BD663474 (supports SPI) |
| Touch Screen Controller |
XPT2046 |
| LCD Type |
TFT |
| LCD Interface |
SPI serial |
| Touch Screen Interface |
SPI |
| Backlight |
LED |
| Colors |
262,144 |
| Resolution |
320*240 DOTS |
Photos
Interface
| 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 |
MISO |
Screen SPI data input (in Serial Mode) |
Connects to SPI MOSI |
| 35 |
SCK |
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 |
| 40 |
Downloads
Development resources:schematic, code, datasheets, etc.
Wiki:
www.waveshare.com/wiki/2.2inch_320x240_Touch_LCD_(A)
External Dimension