Chengdu Ebyte Electronic Technology Co., Ltd.
E73-2G4M04S1AX User manual
Copyright ©2012–2020，Chengdu Ebyte Electronic Technology Co.,Ltd.
4
3.Size and pin definition
No.
Pin
Pin direction
Description
0
GND
Input
Ground, connected to reference ground of power
1
GND
Input
Ground, connected to reference ground of power
2
GND
Input
Ground, connected to reference ground of power
3
DEC2
1.3 V digital power decoupling regulator (see chip manual for details)
4
DEC3
Power supply decoupling (see chip manual for details)
5
P0.25
Input/Output
MCU GPIO
6
P0.26
Input/Output
MCU GPIO
7
P0.27
Input/Output
MCU GPIO
8
P0.28
Input/Output
MCU GPIO
9
P0.29
Input/Output
MCU GPIO
