Chengdu Ebyte Electronic Technology Co., Ltd.
E180-Z5812SP Product Manual
Copyright ©2012–2019,
Chengdu Ebyte Electronic Technology Co., Ltd.
7
Chapter 3 Mechanical Dimensions and Pin Definitions
Pin number
Pin name
Pin direction
Pin usage
1
NC
-
Reserved, directly suspended
2
GND
-
Ground wire, connected to power reference ground
3
NC
-
Reserved, directly suspended
4
PD3(WAKE)
Input
The WAKE pin is mainly used to wake up the dormant terminal. It is at a
high level when powered on. When the pin is pulled low externally, the
dormant terminal device will be woken up.
5
PD7(TX)
Output
Serial sending port TX
6
PA0(RX)
Input
Serial receiving port RX
7
NC
-
Reserved, directly suspended
8
NC
-
Reserved, directly suspended
9
PD4(MODE)
Input
Working mode switching pin, when the pull-down time is greater than