Interface
CON 2
| Pin |
Symbol |
I/O |
Function |
| 1 |
GND |
Power Supply |
Power Ground |
| 2 |
TX |
O |
UartTransmit pin |
| 3 |
RX |
I |
Uart Receive pin |
| 4 |
VBUS |
Power Supply |
Power supply : 5V |
| 5 |
D+ |
I/O |
USB Data + |
| 6 |
D- |
I/O |
USB Data - |
| 7 |
GND |
Power Supply |
Power Ground |
| 8 |
/REST |
I |
Reset (active Low) |
| 9 |
GND |
Power Supply |
Power Ground |
| 10 |
PWM |
O |
Pulse width modulation |
| 11 |
GND |
Power Supply |
Power Ground |
| 12 |
VBUS |
Power Supply |
Power supply : 5V |
CON 3
| Pin |
Symbol |
I/O |
Function |
| 1 |
GND |
Power Supply |
Power Ground |
| 2~5 |
SW1~SW4 |
I |
Switch ( active low) |
| 6 |
GND |
Power Supply |
Power Ground |
| 7 |
SDI |
I |
Serial Data Input |
| 8 |
SDO |
O |
Serial Data Output |
| 9 |
SCK |
I |
Serial Clock |
| 10 |
SCS |
I |
Serial Chip selection |
| 11 |
SPI_INT |
O |
Serial Interrupt |
| 12 |
VBUS |
Power Supply |
Power supply : 5V |
Note: I: input, O: output, P: Power
General Specifications
| Item |
Dimension |
Unit |
| Size |
3.5 |
inch |
| Dot Matrix |
320 × RGB × 240(TFT) |
dots |
| Module dimension |
100(W) × 66.44(H) × 6.86 (D) |
mm |
| Active area |
70.08 × 52.56 |
mm |
| Dot pitch |
0.219 × 0.073 |
mm |
| LCD type |
TFT, Normally White, Transmissive |
| View Direction |
12 o'clock |
| Gray Scale Inversion Direction |
6 o'clock |
| Backlight Type |
LED,Normally White |
| Interface |
Uart 19200 Baud rate/SPI |
| Touch Screen |
Resistive touch screen |
| Surface |
Anti-Glare |
Absolute Maximum Ratings
| Item |
Symbol |
Min |
Typ |
Max |
Unit |
| Operating Temperature |
TOP |
-20 |
－ |
+70 |
℃ |
| Storage Temperature |
TST |
-30 |
－ |
+80 |
℃ |
Electrical Characteristics
| Item |
Symbol |
Condition |
Min |
Typ |
Max |
Unit |
| Supply Voltage For LCM |
VBUS |
－ |
4.5 |
5 |
5.5 |
V |
| Supply Current For LCM |
IBUS |
－ |
－ |
160 |
240 |
mA |
| Power Consumption |
－ |
VBUS=5V |
－ |
800 |
1320 |
mW |
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