Product Structure

LCD PIN Function (RGB 40PIN)
PIN No. |
SYMBOL |
Function |
1 |
LEDK |
Backlight LED Cathode |
2 |
LEDA |
Backlight LED Anode |
3 |
GND |
Ground |
4 |
VCC |
Power supply (2.8V) |
5-12 |
R0-R7 |
Data bus |
13-20 |
G0-G7 |
Data bus |
21-28 |
B0-B7 |
Data bus |
29 |
GND |
Ground |
30 |
CLK |
Pixel clock signal in RGB I/F |
31 |
DISP(NC) |
NC |
32 |
HSYNC |
Horizontal sync.Signal in RGB I/F |
33 |
VSYNC |
Vertical sync.Signal in RGB I/F |
34 |
DEN |
Data enable signal in RGB I/F DE mode |
35-36 |
GND |
Ground |
37 |
RESET |
Reset Signal pin (“Low” is enable) |
38 |
CS |
Chip Select input pin. (Active Low) |
39 |
SCL |
A synchronous clock signal in SPI I/F |
40 |
SDI |
Serial input signal in SPI I/F |
Absolute Maximum Ratings
Item |
Symbol |
Rating |
Unit |
||
MIN. |
TYP. |
MAX. |
|||
Supply Voltage range |
VDD |
-0.3 |
- |
VDD+0.3 |
V |
Power supply for gate drive |
VGH |
- |
15 |
- |
V |
VGL |
- |
-8 |
- |
V |
|
TFT Common Voltage |
VcomH |
2.5 |
- |
4 |
V |
VcomL |
-2 |
- |
0 |
V |
|
Operating Temperature range |
TOP |
-20 |
- |
70 |
℃ |
Storage Temperature range |
TST |
-30 |
- |
80 |
℃ |
Electrical Characteristics
Item |
Symbol |
Min. |
Typ. |
Max. |
Unit |
Logic Supply Voltage |
VDD |
- |
2.8 |
3.3 |
V |
I/O Supply Voltage |
IOVCC |
1.65 |
1.8 |
3 |
V |
Backlight Characteristic
Item |
Symbol |
Condition |
Min. |
Typ. |
Max. |
Unit |
Forward Voltage |
VF |
IF=20mA |
- |
19.2 |
- |
V |
Uniformity |
△Bp |
- |
80 |
- |
- |
% |
Luminance for LCD |
Lv |
IF=20mA |
450 |
500 |
- |
cd/m2 |
LED Life Time |
- |
- |
30K |
50K |
- |
Hr |