Chengdu Ebyte Electronic Technology Co., Ltd.
E73-2G4M08S1E User Manual
Copyright ©2012–2018
，
Chengdu Ebyte Electronic Technology Co., Ltd
10
AI6
P0.30/AIN6
GPIO
Analog input 6, low frequency I/O, standard
drive
11
XL1
P0.00/XL1
GPIO
Connect to 32.768 kHz crystal
12
P0.26
P0.26
GPIO
-
13
XL2
P0.01/XL2
GPIO
Connect to 32.768 kHz crystal
14
P0.06
P0.06
GPIO
-
15
AI3
P0.05/AIN3
GPIO
Analog input 3
16
P0.08
P0.08
GPIO
-
17
P1.09
P1.09
GPIO
-
18
AI2
P0.04/AIN2
GPIO
Analog input 2
19
VDD
VDD
-
Power supply
20
P12
P0.12
GPIO
-
21
GND
GND
-
ground line
，
connect to the power reference
ground
22
P0.07
P0.07
GPIO
-
23
VDH
VDDH
-
High-voltage power supply
24
GND
GND
-
ground line
，
connect to the power reference
ground
25
DCH
NC
-
NC
26
RST
P0.18/RESET
GPIO
QSPI/CSN/external reset
27
VBS
VBUS
-
USB power supply
，
5V input
，
used to USB3.3V
voltage regulator
28
P15
P0.15
GPIO
-
29
D-
D-
-
USB D-
30
P17
P0.17
GPIO
-
31
D+
D+
-
USB D+
32
P0.20
P0.20
GPIO
-
33
P0.13
P0.13
GPIO
-
34
P0.22
P0.22
GPIO
QSPI
35
P0.24
P0.24
GPIO
QSPI
36
P1.00
P1.00
GPIO
-
37
SWD
SWDIO
-
Serial debug programming port data
38
P1.02
P1.02
GPIO
-
39
SWC
SWDCLK
-
Serial debug programming port clock
40
P1.04
P1.04
GPIO
Low frequency I/O, standard drive
41
NF1
P0.09/NFC1
GPIO
NFC input
42
P1.06
P1.06
GPIO
Low frequency I/O, standard drive
43
NF2
P0.10/NFC2
GPIO
NFC input
