Chengdu Ebyte Electronic Technology Co.,Ltd.
E180-ZG120B User Manual
Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co.,Ltd.
9
3. Mechanical characteristics
Pin No.
Pin item
Pin
direction
Application
1
ANT
Input /Output
Externally connected with stamp hole
2
GND
Ground, connecting to power source referential ground
3
PD13
Input
TOUCHLINK pin to be continuously pulled lower than 3000ms and it will
initiate a ZLL network or join request
4
PD14
Input
The 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
PA0(TX)
Output
UART TX pin
6
PA1(RX)
Input
UART RX pin
7
PA2
Input /Output
Reserve
8
PA4
Input /Output
Reserve
9
PB11
Input
Working mode switching pin. When the pull-down time is longer than 500ms,
the working mode is switched.
10
PB12
Input
The UART_BAUD_RESET pin is used to reset the device baud rate. The
power-on default is high. In any mode, if this pin is pulled lower for more than