ILI9320 TFT LCD controller pinout · Displaytech DT028TFT · 45-contact FPC

Displaytech DT028TFT · 45-contact FPC pinout

Displaytech DT028TFT · 45-contact FPC

Match contact 1 to the module outline drawing. The flex contact pitch is 0.5 mm.

Selected pin details

33 · CS

Input · Inputs

Active-low chip select.

Displaytech DT028TFT version 5.0, outline drawing and §§ 4–7, 10.

Electrical limits · Link to this pin

All 45 pins

Pin	Signal	Direction	Function
1	IM0 Input	Input	Interface mode strap. Check the module’s mode table.
2	IM1 Input	Input	Interface mode strap. Check the module’s mode table.
3	IM2 Input	Input	Interface mode strap. Check the module’s mode table.
4	IM3 Input	Input	Interface mode strap. Check the module’s mode table.
5	RESET Input	Input	Hardware reset.
6	VSYNC Input	Input	RGB frame sync.
7	HSYNC Input	Input	RGB line sync.
8	DOTCLK Input	Input	RGB pixel clock.
9	ENABLE Input	Input	RGB data enable.
10	DB17 Bidirectional	Bidirectional	Display data bus bit 17.
11	DB16 Bidirectional	Bidirectional	Display data bus bit 16.
12	DB15 Bidirectional	Bidirectional	Display data bus bit 15.
13	DB14 Bidirectional	Bidirectional	Display data bus bit 14.
14	DB13 Bidirectional	Bidirectional	Display data bus bit 13.
15	DB12 Bidirectional	Bidirectional	Display data bus bit 12.
16	DB11 Bidirectional	Bidirectional	Display data bus bit 11.
17	DB10 Bidirectional	Bidirectional	Display data bus bit 10.
18	DB9 Bidirectional	Bidirectional	Display data bus bit 9.
19	DB8 Bidirectional	Bidirectional	Display data bus bit 8.
20	DB7 Bidirectional	Bidirectional	Display data bus bit 7.
21	DB6 Bidirectional	Bidirectional	Display data bus bit 6.
22	DB5 Bidirectional	Bidirectional	Display data bus bit 5.
23	DB4 Bidirectional	Bidirectional	Display data bus bit 4.
24	DB3 Bidirectional	Bidirectional	Display data bus bit 3.
25	DB2 Bidirectional	Bidirectional	Display data bus bit 2.
26	DB1 Bidirectional	Bidirectional	Display data bus bit 1.
27	DB0 Bidirectional	Bidirectional	Display data bus bit 0.
28	SDO Output	Output	Serial data output.
29	SDI Input	Input	Serial data input.
30	RD Input	Input	Parallel read strobe.
31	WR/SCL Input	Input	Parallel write strobe or serial clock.
32	RS Input	Input	Register or data selection.
33	CS Input	Input	Active-low chip select.
34	FMARK Output	Output	Frame-mark output for host synchronization.
35	IOVCC Supply input	Supply input	2.8 V logic I/O supply.
36	VCC Supply input	Supply input	2.8 V module supply.
37	VCI Supply input	Supply input	2.8 V liquid-crystal analog supply.
38	GND Supply return	Supply return	Connect to host ground.
39	LEDA Supply input	Supply input	Backlight anode. Use current regulation.
40	LEDK1 Backlight return	Backlight return	Backlight LED cathode. Connect to a current-regulated return.
41	LEDK2 Backlight return	Backlight return	Backlight LED cathode. Connect to a current-regulated return.
42	LEDK3 Backlight return	Backlight return	Backlight LED cathode. Connect to a current-regulated return.
43	LEDK4 Backlight return	Backlight return	Backlight LED cathode. Connect to a current-regulated return.
44	NC None	None	Reserved contact. Leave open.
45	NC None	None	Reserved contact. Leave open.

Signal assignments

8080-style MPU bus

The IM straps determine which of the 18 contacts carry MPU data. In 16-bit mode use DB17–DB10 and DB8–DB1.

RGB panel timing

Use the controller’s RGB-interface register settings and the module timing requirements.

Electrical limits

Parameter	Limit	Conditions and source
Module VCC2.7–2.9 V	2.7–2.9 V	The interface table specifies nominal 2.8 V for VCC, IOVCC and VCI. Displaytech DT028TFT version 5.0, outline drawing and §§ 4–7, 10.
Logic levelsReferenced to IOVCC	Referenced to IOVCC	Use translators or a host in the same supply domain. Displaytech DT028TFT version 5.0, outline drawing and §§ 4–7, 10.
Backlight3.0–3.4 V at 60 mA total	3.0–3.4 V at 60 mA total	Manufacturer’s four-LED operating point. The cathodes have individual contacts. Displaytech DT028TFT version 5.0, outline drawing and §§ 4–7, 10.

Models and documents

This map covers the 45-contact display flex on the original DT028TFT fitted with an ILI9320. The DT028TFT-TS has a separate touch flex. DT028ATFT and DT028BTFT have their own specifications.

Displaytech DT028TFT: 240 × 320 display FPC, 45 contacts.

Displaytech DT028TFT manufacturer documentation· Displaytech DT028TFT version 5.0, outline drawing and §§ 4–7, 10.
ILI9320 controller datasheet· ILI Technology ILI9320 v0.41, MCU bus mode and register definitions.