Ebyte E32-433T20S1 - Connect to Mcu; Function Description; Fixed Transmission

Chengdu Ebyte Electronic Technology Co,;Ltd E32-433T20S1 user manual
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7
5
AUX
output
To indicate module ’ s working status & wakes up the external
MCU. During the procedure of self-check initialization, the pin
outputs low level. Can be configured as push-pull output
(suspending is allowed).
6
VCC
input
Power supply ：2.3~ 5.2V DC
7
GND
input
Ground
8
GND
Output
High-frequent signal
9
ANT
output
Antenna access point( high –frequent signal)
10
GND
input
Ground
11
GND
input
Ground
4 Connect to MCU
No.
Description（STM8L MCU）
1
The UART module is TTL level.
2
For some MCU works at 5VDC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin.
5 Function description
5.1 Fixed transmission