Chengdu Ebyte Electronic Technology Co.,Ltd.
E73-2G4M08S1EX User Manual
Copyright ©2012–2021
,
Chengdu Ebyte Electronic Technology Co.,Ltd.
7
Pin No.
Item
Corresponding,ch
ip pin item
Direction
Description
1
P1.11
P1.11
Common I/O
See details about nrf52833 datasheet on Nordic
website
2
P1.10
P1.10
Common I/O
Low frequency I0, 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 I0, 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.
9
AI7
P0.31/AIN7
Common I/O
Analog input 7, low frequency I/O, standard drive.
10
AI6
P0.30/AIN6
Common I/O
Analog input 6, low frequency I/O, standard drive.
11
XL1
P0.00/XL1
Common I/O
Connect to 32.768 kHz crystal
12
P0.26
P0.26
Common I/O
See details about nrf52833 datasheet on Nordic
website
13
XL2
P0.01/XL2
Common I/O
Connect to 32.768 kHz crystal
14
P0.06
P0.06
Common I/O
See details about nrf52833 datasheet on Nordic
website
15
AI3
P0.05/AIN3
Common I/O
Analog input 3
16
P0.08
P0.08
Common I/O
See details about nrf52833 datasheet on Nordic
website
17
P1.09
P1.09
Common I/O
See details about nrf52833 datasheet on Nordic
website
18
AI2
P0.04/AIN2
Common I/O
Analog input 2
19
VCC
-
-
Power supply
20
P12
P0.12
Common I/O
See details about nrf52833 datasheet on Nordic
website
21
GND
-
-
Ground line, connect to the power reference ground
22
P0.07
P0.07
Common I/O
See details about nrf52833 datasheet on Nordic
website
23
VDH
VDDH
-
High voltage power supply
24
GND
-
-
Ground line, connect to the power reference ground
25
DCH
DCCH
-
DC/DC converter output
26
RST
P0.18/RESET
Common I/O
QSPI/CSN/external reset
27
VBS
VBUS
-
USB power supply, 5W input, used to USB3.3V
voltage regulator
28
P15
P0.15
Common I/O
See details about nrf52833 datasheet on Nordic
website
29
D-
D-
-
USB D-
30
P17
P0.17
Common I/O
See details about nrf52833 datasheet on Nordic