Chengdu Ebyte Electronic Technology Co., Ltd.
E73-2G4M08S1C User Manual
Copyright ©2012–2018
，
Chengdu Ebyte Electronic Technology Co., Ltd
5
3 Size and pin definition
No.
Pin item
Corresponding
chip pin item
Pin direction
Application
1
P1.11
P1.11
Common I/O
See details about nrf52840 datasheet on Nordic
website
2
P1.10
P1.10
Common I/O
Low frequency I/O, standard drive
3
P0.03
P0.03/AIN1
Common I/O
Analog input 1, low frequency I/O, standard
drive
4
AI4
P0.28/AIN4
Common I/O
Analog input 4
5
GND
-
-
Single ground line
，
connect to the power
reference ground
6
P1.13
P1.13
Common I/O
Low frequency I/O, standard drive
7
AI0
P0.02/AIN0
Common I/O
Analog input 0, low frequency I/O, standard
drive
8
AI5
P0.29/AIN5
Common I/O
Analog input 5, low frequency I/O, standard
drive
