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LCD PIN Function
PIN No. |
Symbol |
Description |
1 |
GND |
Ground |
2 |
RESET |
LCM Reset pin Signal is active low. |
3 |
SCL |
This pin is used serial interface clock in 4-wire 8-bit serial data interface. |
4 |
D/C |
4-line system (D/CX): Serves as command or parameter select. |
5 |
CS |
Chip select pin (“Low” enable) |
6 |
SDA |
Serial input signal. |
7 |
SDO |
Serial output signal. |
8 |
GND |
Ground |
9 |
VCC |
Power supply for LCM(2.8V-3.3V) |
10 |
LEDA |
Anode of Backlight (3.0V-3.4V Typical: 3.2V) |
11 |
LEDK1 |
Cathode of Backlight |
12 |
LEDK2 |
Cathode of Backlight |
13 |
LEDK3 |
Cathode of Backlight |
14 |
LEDK4 |
Cathode of Backlight |
15 |
XL |
Touch panel control pin |
16 |
YU |
Touch panel control pin |
17 |
XR |
Touch panel control pin |
18 |
YD |
Touch panel control pin |
Absolute Maximum Ratings
Item |
Symbol |
Min |
Max |
Unit |
Note |
Supply voltage |
V |
-0.3 |
4.6 |
V |
|
Operating temperature |
VT |
-0.3 |
Vcc+0.3 |
V |
|
Storage temperature |
TOPR |
-20 |
70 |
℃ |
|
Storage temperature |
TSTR |
-30 |
80 |
℃ |
|
Electrical Characteristics
Item |
Symbol |
Condition |
Min. |
Typ. |
Max. |
Unit |
|
Supply voltage |
Logic |
VCC |
|
2.7 |
2.8 |
3.3 |
V |
Input Voltage |
H level |
TIH |
|
0.8*IOVCC |
|
IOVCC |
V |
L level |
TIL |
-0.3 |
|
0.2* IOVCC |
|||
Storage temperature |
IDD |
With |
|
|
TBD |
mA |
Backlight Characteristics
Item |
Symbol |
Min. |
Typ. |
Max. |
Unit |
LED module Forward voltage |
VLED |
3.0 |
3.2 |
3.4 |
V |
LED module current |
VLED |
|
60 |
|
mA |
L/G Surface Luminance ★1 |
LS |
300 |
|
|
Cd/m2 |
LCM Surface brightness uniform ★2 |
LD |
80 |
|
|
% |