5 از 5.0 با 9 رای
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Note: PWRIN range is from 5.0V to 10V, 5.0V is recommended,
TXD / RXD are TTL level which can be directly connected with MCU.
|
Pin name |
Pin number |
Mark on PCB |
Description |
Comment |
|
SLEEP |
0 |
S |
control module into sleep mode |
Connect with DTR via R124 |
|
GND |
1,6 |
G |
GND |
|
|
PWRIN |
2 |
V |
The power supply |
5V-10V |
|
PWRKEY |
3 |
K |
Power down |
Shorted with GND via R104 by default |
|
TXD |
4 |
T |
Transmit Data |
TTL Series data Output |
|
RXD |
5 |
R |
Receives Data |
TTL Series data Input |