HX8352 TFT LCD controller pinout · ITDB02-3.2WD · 40-contact header

ITDB02-3.2WD · 40-contact header pinout

Bottom view with the header below the ITead logo. Start at the rightmost GND/DB0 pair. A is the inner row and B is the outer row.

Selected pin details

B15 · SD_SO

Output · Outputs

Data from the SD card.

ITead Studio ITDB02-3.2WD v1.0, pp. 2–4 and bottom-view connector drawing.

Electrical limits · Link to this pin

All 40 pins

Pin	Signal	Direction	Function
A1	GND Supply return	Supply return	Connect to host ground.
A2	VCC Supply input	Supply input	5 V breakout supply.
A3	NC None	None	Reserved contact. Leave open.
A4	RS Input	Input	Data or command select.
A5	WR Input	Input	Active-low write strobe.
A6	RD Input	Input	Active-low read strobe.
A7	DB8 Input	Input	Display data bus bit 8.
A8	DB9 Input	Input	Display data bus bit 9.
A9	DB10 Input	Input	Display data bus bit 10.
A10	DB11 Input	Input	Display data bus bit 11.
A11	DB12 Input	Input	Display data bus bit 12.
A12	DB13 Input	Input	Display data bus bit 13.
A13	DB14 Input	Input	Display data bus bit 14.
A14	DB15 Input	Input	Display data bus bit 15.
A15	CS Input	Input	Active-low display chip select.
A16	NC None	None	Reserved contact. Leave open.
A17	RST Input	Input	Display reset.
A18	NC None	None	Reserved contact. Leave open.
A19	LED Supply input	Supply input	Backlight contact. Use the matching carrier’s backlight drive.
A20	NC None	None	Reserved contact. Leave open.
B1	DB0 Input	Input	Display data bus bit 0.
B2	DB1 Input	Input	Display data bus bit 1.
B3	DB2 Input	Input	Display data bus bit 2.
B4	DB3 Input	Input	Display data bus bit 3.
B5	DB4 Input	Input	Display data bus bit 4.
B6	DB5 Input	Input	Display data bus bit 5.
B7	DB6 Input	Input	Display data bus bit 6.
B8	DB7 Input	Input	Display data bus bit 7.
B9	T_CLK Input	Input	Touch controller SPI clock.
B10	T_CS Input	Input	Active-low touch controller select.
B11	T_DIN Input	Input	Data to the TSC2046 touch controller.
B12	T_BUSY Output	Output	Touch conversion status.
B13	T_DOUT Output	Output	Data from the TSC2046 touch controller.
B14	T_IRQ Output	Output	Touch interrupt, labelled D_IRQ in the drawing.
B15	SD_SO Output	Output	Data from the SD card.
B16	SD_SCK Input	Input	SD card SPI clock.
B17	SD_SI Input	Input	Data to the SD card.
B18	SD_NSS Input	Input	Active-low SD card select.
B19	NC None	None	Reserved contact. Leave open.
B20	NC None	None	Reserved contact. Leave open.

Signal assignments

16-bit display bus

Use both bytes of the parallel bus for the documented module interface.

TSC2046 touch SPI

Touch signals go to the separate resistive-touch controller.

SD SPI

The SD slot has its own select and data signals.

Electrical limits

Parameter	Limit	Conditions and source
VCC breakout supply4.5–5.5 V, 5 V nominal	4.5–5.5 V, 5 V nominal	Specified for the ITead breakout. ITead Studio ITDB02-3.2WD v1.0, pp. 2–4 and bottom-view connector drawing.
Display400 × 240, 65K colors	400 × 240, 65K colors	Use the ITDB02-3.2WD profile for the HX8352-A. ITead Studio ITDB02-3.2WD v1.0, pp. 2–4 and bottom-view connector drawing.
Display bus16 bits	16 bits	The touch and SD interfaces are separate from the display bus. ITead Studio ITDB02-3.2WD v1.0, pp. 2–4 and bottom-view connector drawing.

Models and documents

The connector map follows the bottom-view drawing for ITDB02-3.2WD v1.0. Its two rows are labelled A and B here so each position can be selected.

ITDB02-3.2WD v1.0: 400 × 240 TFT with TSC2046 resistive-touch controller and SD socket.

ITead ITDB02-3.2WD (HX8352-A) manufacturer documentation· ITead Studio ITDB02-3.2WD v1.0, pp. 2–4 and bottom-view connector drawing.
HX8352 controller datasheet· Himax HX8352-A(T) datasheet, host bus and pin descriptions. ITead module datasheet identifies the fitted HX8352-A.