Copyright ©2012–2017，Chengdu Ebyte Electronic Technology Co., Ltd.
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2. Mechanical Properties
2.1. E73 (2G4M04S1B)/E73 (2G4M04S1A)
2.1.1. Dimension
2.1.2. Pin Definition
No.
Pin item
Pin direction
Application
0
GND
Input
Ground electrode, connect to reference ground of power
1
GND
Input
Ground electrode, connect to reference ground of power
2
GND
Input
Ground electrode, connect to reference ground of power
3
DEC2
1.3 V Digital power supply decoupling controller
4
DEC3
Power supply decoupling
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
10
P0.30
Input/Output
MCU GPIO
