Chengdu Ebyte Electronic Technology Co.,Ltd.
E103-W11 UserManual
Copyright ©2012–2022,
Chengdu Ebyte Electronic
Technology Co.,Ltd.
6
3Size and Pin Definition
E103-W11 Pin size
Item
Pin name
I/O
Application
1
U0_TXD
0
AT serial port, TX of the module, connecting to RX of external TTL
2
U0_RXD
I
AT serial port, RX of the module, connecting to TX of external TTL
3
PWM
I/O
GPIO_NUM_4, it can be used as general GPIO by SYIO series instructions
4
MISO
I/O
GPIO_NUM_3, it can be used as general GPIO by SYIO series instructions
5
MOSI
O
Modulation serial port of E103-W11, LOG_TX, connecting to RX of external TTL
6
CS
I
Modulation serial port of E103-W11, LOG_RX, connecting to TX of external TTL
7
CLK
I/O
GPIO_NUM_0, it can be used as general GPIO by SYIO series instructions
8
GND
Ground wire, connected to the power reference ground
9
GND
Ground wire, connected to the power reference ground
10
RST
I
Chip reset input pin, low level reset
11
ADC
I/O
GPIO_NUM_20, it can be used as general GPIO by SYIO series instructions
12
IO1
I/O
GPIO_NUM_1, it can be used as general GPIO by SYIO series instructions
13
IO2
I/O
GPIO_NUM_2, it can be used as general GPIO by SYIO series instructions
14
DATA1
I/O
GPIO_NUM_23, it can be used as general GPIO by SYIO series instructions
15
DATA0
I/O
GPIO_NUM_22, it can be used as general GPIO by SYIO series instructions
16
H_CLK
I/O
GPIO_NUM_13, it can be used as general GPIO by SYIO series instructions
17
GND
Ground wire, connected to the power reference ground
18
CMD
I/O
GPIO_NUM_21, it can be used as general GPIO by SYIO series instructions
19
DATA3
I/O
GPIO_NUM_25, it can be used as general GPIO by SYIO series instructions
20
DATA2
I/O
GPIO_NUM_24, it can be used as general GPIO by SYIO series instructions
21
WAKE
I
Chip reset input pin, low level reset. When using, RC reset pull-up is needed
22
IO3
I/O
GPIO_NUM_16, it can be used as general GPIO by SYIO series instructions
23
GND
Ground wire, connected to the power reference ground
24
VCC
Power input
