Chengdu Ebyte Electronic Technology Co.,Ltd
Copyright ©2012–2019
,
Chengdu Ebyte Electronic Technology Co., Ltd.
3-7
3. Size and pin definition
Pin No.
Pin item
Pin
direction
Application
1
NC
-
Reserve
,
floated
2
GND
-
Ground, connected to power supply reference ground
3
PD2
Input
Reserve
4
PC4
Input
WAKE pin is mainly used to wake up the sleeping terminal. It is high level
when power is on. When the pin is pulled low externally, the sleeping terminal
device will be woken up.
5
TX
Output
UART TX pin
6
RX
Input
UART RX pin
7
NC
-
Reserve
,
directly suspended
8
NC
-
Reserve
,
directly suspended