Size And Pin Definition - Ebyte E32 Series User Manual

Chengdu Ebyte Electronic Technology Co,;Ltd

3 Size and pin definition

No. Name
1
M 0
2
M 1
3
RXD
4
TXD
5
AUX
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Direction
Input
Work with M1 to decide 4 working modes of module (not
（weak pull-up） suspended, if not used, could be grounded).
Input
Work with M0 to decide 4 working modes of module (not
（weak pull-up）
suspended, if not used, could be grounded).
TTL UART inputs, connects to external (M CU, PC) TXD output pin. Can
Input
be configured as open-drain or pull-up input.
TTL UART outputs, connects to external RXD (MCU, PC) input
Output
pin. Can be configured as open-drain or push-pull output
To indicate module 's working status & wakes up the external
Output
MCU. During the procedure of self-check initialization, the pin
E32-433T20DC user manual
Function
5