accessory:display:3.2inch_tft_touchscreen_shield:spec_pin_info

Specifications

LCD TypeTFT
LCD InterfaceSPI
Touch Screen TypeResistive
Touch Screen ControllerXPT2046
Colors65536
BacklightLED
Resolution320*240(Pixel)
Aspect Ratio4:3
Weight44gram
Pin NumSymbolDescription
1, 173.3VPower positive (3.3V power input)
2, 45VPower positive (5V power input)
3, 5, 7, 8, 10, 22NCNo connection
6, 9, 14, 20, 25GNDGround
11TP_IRQTouch screen interrupt, low level while the touch screen detects touching
12KEY1Export GPIO#87, Wiring Pi GPIO#1
13RSTReset, Export GPIO#116
15LCD_RSLCD instruction control, Instruction/Data Register selection, Export GPIO#115
16KEY2Export GPIO#104, Wiring Pi GPIO#4
18KEY3Export GPIO#102, Wiring Pi GPIO#5
19LCD_SI/TP_SISPI data input of LCD/touch screen
21LCD_SO/TP_SOSPI data output of LCD/touch screen
23LCD_SCK/TP_SCKSPI clock of LCD/touch screen
24LCD_CSLCD chip selection, low active
26TP_CSTouch screen chip selection, low active
Pin NumSymbolDescription
1, 173.3VPower positive (3.3V power input)
2, 45VPower positive (5V power input)
3, 5, 7, 8, 10, 22NCNo connection
6, 9, 14, 20, 25GNDGround
11TP_IRQTouch screen interrupt, low level while the touch screen detects touching
12KEY1Export GPIO#173, Wiring Pi GPIO#1
13RSTReset, Export GPIO#21
15LCD_RSLCD instruction control, Instruction/Data Register selection, Export GPIO#22
16KEY2Export GPIO#19, Wiring Pi GPIO#4
18KEY3Export GPIO#23, Wiring Pi GPIO#5
19LCD_SI/TP_SISPI data input of LCD/touch screen
21LCD_SO/TP_SOSPI data output of LCD/touch screen
23LCD_SCK/TP_SCKSPI clock of LCD/touch screen
24LCD_CSLCD chip selection, low active
26TP_CSTouch screen chip selection, low active
Pin NumSymbolDescription
1, 173.3VPower positive (3.3V power input)
2, 45VPower positive (5V power input)
3, 5, 7, 8, 10, 22NCNo connection
6, 9, 14, 20, 25GNDGround
11TP_IRQTouch screen interrupt, low level while the touch screen detects touching
12KEY1Export GPIO#492, Wiring Pi GPIO#1
13RSTReset, Export GPIO#480
15LCD_RSLCD instruction control, Instruction/Data Register selection, Export GPIO#483
16KEY2Export GPIO#476, Wiring Pi GPIO#4
18KEY3Export GPIO#477, Wiring Pi GPIO#5
19LCD_SI/TP_SISPI data input of LCD/touch screen
21LCD_SO/TP_SOSPI data output of LCD/touch screen
23LCD_SCK/TP_SCKSPI clock of LCD/touch screen
24LCD_CSLCD chip selection, low active
26TP_CSTouch screen chip selection, low active
  • accessory/display/3.2inch_tft_touchscreen_shield/spec_pin_info.txt
  • Last modified: 2021/04/02 15:36
  • by joshua