| NO |
符号 |
功能说明 |
| 1 |
GND |
Ground |
| 2 |
VLED+ |
Anode of LED backlight. |
| 3 |
VLED- |
Cathode of LED backlight. |
| 4 |
GND |
Ground |
| 5 |
VCC |
Power supply |
| 6 |
RESET |
System reset pin. (RESX) signal is active low |
| 7 |
SDA |
When IM3: Low, SPI interface input/output pin. When IM3: High, SPI interface input pin. The data is latched on the rising edge of the SCL signal. If not used, please fix this pin at VDDI or DGND level. |
| 8 |
DCX(SCL) |
This pin is used to be serial interface clock. DCX=’1’: display data or parameter. DCX=’0’: command data. If not used, please fix this pin at VDDI or DGND. |
| 9 |
CSX |
Chip selection pin Low enable. High disable. |
| 10 |
WRX(D/CX) |
Display data/command selection pin in 4-line serial interface. Second Data lane in 2 data lane serial interface. If not used, please fix this pin at VDDI or DGND. |
| 11 |
GND |
Ground |
| 12 |
SDO(DOUT) |
SPI interface output pin. The data is output on the falling edge of the SCL signal. If not used, let this pin open. |
| 13 |
TE |
Tearing effect signal is used to synchronize MCU to frame memory writing. If not used, please let this pin open |
| 14 |
IM3 |
The MCU interface mode select.
| IM3 |
IM2 |
IM1 |
IM0 |
MPU Interface Mode |
Data pin |
| 0 |
1 |
1 |
0 |
4-line 8bit serial I/F |
SDA: in/out |
| 1 |
1 |
1 |
0 |
4-line 8bit serial I/F II |
SDA: in/SDO: out |
|
| 15 |
GND |
Ground |
| 16-19 |
NC |
No connection |
| 20 |
GND |
Ground |
