Pin Definition - Ebyte E73 2G4M04S1B User Manual

2.3.2 Pin definition

No. Pin item
1 P1.11
P1.10
2
3 P0.03
4 AI4
5 GND
6 P1.13
AI0
7
8 AI5
9 AI7
10 AI6
11 XL1
12 P0.26
13 XL2
14 P0.06
15 AI3
16 P0.08
17 P1.09
18 AI2
19 VDD
20 P12
21 GND
22 P0.07
23 VDH
24 GND
DCH
25
26 RST
27 VBS
28 P15
29 D-
P17
30
31 D+
32 P0.20
33 P0.13
34 P0.22
35 P0.24
36 P1.00
37 SWD
38 P1.02
39 SWC
40 P1.04
41 NF1
42 P1.06
43 NF2
Copyright ©2012–2017，Chengdu Ebyte Electronic Technology Co., Ltd.
Pin direction Application
- Common I/O
- Common I/O
P0.03/AIN1 Common I/O
P0.28/AIN4 Common I/O
-
- Common I/O
P0.02/AIN0 Common I/O
P0.29/AIN5 Common I/O
P0.31/AIN7 Common I/O
P0.30/AIN6 Common I/O
P0.00/XL1 Common I/O
- Common I/O
P0.01/XL2 Common I/O
- Common I/O
P0.05/AIN3 Common I/O
- Common I/O
- Common I/O
P0.04/AIN2 Common I/O
-
P0.12 Common I/O
-
- Common I/O
VDDH
-
DCCH
P0.18/RESET Common I/O
VBUS
P0.15 Common I/O
-
P0.17 Common I/O
-
- Common I/O
- Common I/O
- Common I/O
- Common I/O
- Common I/O
SWDIO
- Common I/O
SWDCLK -
- Common I/O
P0.09/NFC1 Common I/O
- Common I/O
P0.10/NFC2 Common I/O
★ For more details, please refer to《nRF52840Datasheet》in NORDIC ★
-
Low frequency I/O, standard drive
Analog input 1, low frequency I/O, standard drive
Analog input 4
- Single ground line，connect to the power reference ground
Low frequency I/O, standard drive
Analog input 0, low frequency I/O, standard drive
Analog input 5, low frequency I/O, standard drive
Analog input 7, low frequency I/O, standard drive
Analog input 6, low frequency I/O, standard drive
Connect to 32.768 kHz crystal
-
Connect to 32.768 kHz crystal
-
Analog input 3
-
-
Analog input 2
- Power supply
-
- ground line，connect to the power reference ground
-
- High-voltage power supply
- ground line，connect to the power reference ground
- DC/DC Converter output
QSPI/CSN/ external reset
- USB power supply，5V input，used to USB3.3V voltage regulator
-
- USB D-
-
- USB D+
-
-
QSPI
QSPI
-
- Serial debug programming port data
-
Serial debug programming port clock
Low frequency I/O, standard drive
NFC input
Low frequency I/O, standard drive
NFC input
No.
10