Chengdu Ebyte Electronic Technology Co,;Ltd
E30-490T20D user manual
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Chengdu Ebyte Electronic Technology Co,;Ltd
6
level. Can be configured as push-pull output (suspending is allowed).
6
VCC
Input
Power supply
：
2.3~ 5.5V DC
7
GND
Input
Ground
8
Fixed orifice
Fixed orifice
9
Fixed orifice
Fixed orifice
10
Fixed orifice
Fixed orifice
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.
