Chengdu Ebyte Electronic Technology Co., Ltd
E103-W05 User Manual
Copyright ©2012–2020
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Chengdu Ebyte Electronic Technology Co.,Ltd.
5
2. Hardware Parameters
2.1 Pin Definition
Pin No.
Name
I/O
Function
1
GND
P
GND pin
2
GND
P
GND pin
3
VCC
P
Power supply VDC: 3.0V-3.6V (above 350mA)
4
PA0/GPIO0
IO
I/O pins
5
PA1/GPIO1
IO
I/O pins
6
PA4/GPIO4/TX
O
TXD pin, used as UART serial port output pin, support AT command
7
PA5/GPIO5/RX
I
RXD pin, used as UART serial input pin, support AT command
8
PB13/GPIO13
IO
I/O pins
9
PB14/GPIO14
IO
I/O pins
10
PB15/GPIO15
IO
I/O pins
11
PB16/GPIO16
IO
I/O pins
12
PB17/GPIO17
IO
I/O pins
13
PB18/GPIO18
IO
I/O pins
14
PB6/GPIO6
IO
I/O pins
15
PB7/GPIO7
IO
I/O pins
16
PB8/GPIO8
IO
I/O pins
17
PB9/GPIO9
IO
I/O pins
18
PB10/GPIO10
IO
I/O pins
19
PB11/GPIO11
IO
I/O pins