Hi-Link HLK-7628D - Page 11

Shenzhen Hi-Link Electronic Co., Ltd. Manual
page 9 / 15
HLK-7628D
18
I2S_CLK
I/O
I2S data bit clock
Undefined, please hang up
19
I2C_SCLK
I/O
I2C bus clock
Undefined, please hang up
20
I2C_SD
I/O
I2C bus data
Undefined, please hang up
21
SPI_CS1
I/O
SPI bus chip select signal 1
Undefined, please hang up, cannot be
pulled up and down
22
SPI_CLK
I/O
SPI bus clock signal
Undefined, please hang up, cannot be
pulled up and down
23
SPI_MISO
I/O
SPI bus data master in and slave out
Undefined, please hang up
24
SPI_MOSI
I/O
SPI bus data master out and slave in
Undefined, please hang up, cannot be
pulled up and down
25
SPI_CS0
I/O
SPI bus chip select signal 0
Undefined, please hang up
26
GPIO0
I/O
Universal input and output interface
Undefined, please hang up
27
UART_TXD0
O
Serial port 0 data output
Serial port 0 output, hang up without
using, cannot be pulled up and down
28
UART_RXD0
I
Serial port 0 data input
Serial port 0 input, hang up without using
29
ANT1
RF
On-board antenna RF interface,
default external antenna, this pin is
not connected
If you need to connect the foot, you need
to remove the antenna base and replace it
with a 0 ohm resistor.
30
GND
P
Ground
Ground
31
MDI_RP_P0
I/O
PORT0 Network signal reception
positive
WAN port, hang up without using
32
MDI_RN_P0
I/O
PORT0 Network signal reception
negative
33
MDI_TP_P0
I/O
PORT0 Network signal
transmission positive
34
MDI_TN_P0
I/O
PORT0 Network signal
transmission negative
35
MDI_TP_P1
I/O
PORT1 Network signal
transmission positive
LAN1port, hang up without using
36
MDI_TN_P1
I/O
PORT1 Network signal
transmission negative
37
MDI_RP_P1
I/O
PORT1 Network signal reception
positive