LCD 4.3 Inch SPI datasheet

Technical Parameter

Parameter	Value
Product Name	4.3″ TFT Display
Display Mode	Transmissive
Display Format	480 × RGB × 272 Dot Matrix
Data Format	RGB565
Display Interface Type	MCU 8-bit Parallel / MCU 16-bit Parallel / 3-wire SPI / 4-wire SPI / Dual-SPI / High-Speed SPI
Display Driver IC	ST6201
Capacitive Touch Controller	GT911
Maximum Capacitive Touch Points	5 Points
Display Size	105.50(W) × 67.20(L) × 2.78(T) mm
Display + Resistive Touch Size	105.50(W) × 67.20(L) × 3.88(T) mm
Display + Capacitive Touch Size	105.50(W) × 67.20(L) × 4.22(T) mm

Pin	Name	Short Description	Note
1	XL / X-	Resistive touch X-	–
2	YU / Y-	Resistive touch Y-	–
3	XR / X+	Resistive touch X+	–
4	YD / Y+	Resistive touch Y+	–
5	GND	Ground	–
6	VDDI	I/O power 1.8-3.3V	–
7	VDDA	LCD power 2.8-3.3V	–
8	TE	Frame sync output	–
9	CSX	Chip Select (active low)	Shared pin
10	DCX	Data / Command select	Shared pin
11	WRX	Write enable / SPI clock	Shared pin
12	RDX	Read enable	MCU mode
13	SDA	Serial data I/O	Shared pin
14	NC	Not connected	–
15	RESET	Hardware reset (active low)	–
16	GND	Ground	–
17-24	DB0-DB7	MCU data bus [7:0]	MCU mode
25-32	DB8-DB15	MCU data bus [15:8]	MCU-16 mode
33	LED-A	Backlight anode (3.0-3.3V)	–
34-36	LED-K	Backlight cathode	–
37	IM0	Interface mode select bit 0	–
38	IM1	Interface mode select bit 1	–
39	IM2	Interface mode select bit 2	–
40	SPI4W	SPI mode select	–

Pin	Name	Short Description	I/O
1	CTP-RST	Touch reset	Input
2	CTP-VCC	Touch power (2.8V-3.3V)	Power
3	CTP-GND	Ground	Power
4	CTP-INT	Touch interrupt	Output
5	CTP-SDA	I²C data	I/O
6	CTP-SCL	I²C clock	Input