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Chengdu Ebyte Electronic Technology Co., Ltd.
EPHY_LED
34
2
EPHY_LED
35
1
EPHY_LED
36
0
37
PORT_N
UART_TXD
38
1
UART_RXD
39
1
40
I2S_SDI
41
I2S_SDO
42
I2S_WS
43
I2S_CLK
44
GND
45
ANT
46
GND
P
47
I2C_SCLK
48
I2C_SD
49
SPI_CS1
50
SPI_CLK
51
SPI_MISO
52
SPI_MOSI
53
GPIO0
UART_TXD
54
0
UART_RXD
55
0
56
WLED_N
Note: I-input; O-output; I/O-digital I/O; P-power. IO port drive current 8mA.
Copyright © 2012–20 2 2 , Chengdu Ebyte Electronic Technology Co., Ltd.
I/O
PORT2 LED active low
I/O
PORT1 LED active low
I/O
PORT0 LED active low
I/O
CPU reset, active low
O
Serial port 1 data transmission
I
Serial port 1 data reception
I/O
I2S data input
I/O
I2S data output
I/O
I2S channel selection, 0: left, 1: right
I/O
I2S data bit clock
P
Antenna RF interface, not connected by
P
default
I/O
I2C bus clock
I/O
I2C bus data
I/O
SPI chip select signal 1
I/O
SPI clock signal
I/O
SPI bus data master input slave output
I/O
SPI bus data master out slave in
General purpose input and output
I/O
interface
O
Serial port 0 data output
I
Serial 0 data input
I/O
WIFI LED, active low
Serial port 1 output, please leave it in the air if it is
land
If you need to connect this pin, you need to remove
land
Serial port 0 output, please leave it in the air, do not
When there is a WIFI signal, the WIFI LED flashes
E103-W02 User Manual
LAN2 network port light
LAN1 network port light
WAN port light
Reset input, please leave it open
not used, and cannot be pulled down
Serial port 1 input, please leave it in the air
undefined, please leave blank
Undefined, please leave it in the air, cannot be
pulled up
undefined, please leave blank
undefined, please leave blank
ground
the antenna base and replace it with a 0 ohm
resistor
ground
undefined, please leave blank
undefined, please leave blank
undefined, please leave blank
Undefined, please leave it in the air, cannot be
pulled up
Undefined, please leave it in the air, cannot be
pulled down
Undefined, please leave it in the air, cannot be
pulled up
undefined, please leave blank
pull up
Serial port 0 input, please leave it in the air
and can be left floating
9
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