Neoway N720 OpenLinux - Page 21

N720 OpenLinux
Hardware User Guide
Copyright © Neoway Technology Co., Ltd
11
SGMII_MDIO_DATA
23
B
SGMII data IO
P2
USIM2
Leave them
floating if they are
not used.
ETH_REST_N
24
DO
Ethernet PHY reset
P2
ETH_INT_N
25
DI
Ethernet PHY interrupt
P2
I2C interface
I2C_4_SDA
81
OD
I2C data signal
P3
It is connected
through a 2.2 kΩ
internal pull-up
resistor.
Leave this pin
floating if it is not
used.
I2C_4_SCL
82
OD
I2C clock
P3
I2S/PCM interface
I2S_1_SCLK
9
DO
I2S serial clock
P3
Multiplexed as
PCM
Leave this pin
floating if it is not
used.
I2S_1_DOUT
10
DO
I2S data transmit
P3
I2S_1_DIN
11
DI
I2S data receive
P3
I2S_1_WS
12
B
I2S word select
P3
I2S_MCLK
64
DO
I2S main clock
P3
12.288 MHz by
default
WLAN interface
WLAN_SDIO_CMD
54
B
SDIO data IO
P3
Leave this pin
floating if it is not
used.
WLAN_SDIO_CLK
55
DO
SDIO clock
P3
Leave this pin
floating if it is not
used.
WLAN_SDIO_DATA_0
56
B
SDIO data0 IO
P3
Leave this pin
floating if it is not
used.
WLAN_SDIO_DATA_1
57
B
SDIO data1 IO
P3
Leave this pin
floating if it is not
used.
WLAN_SDIO_DATA_2
58
B
SDIO data2 IO
P3
Leave this pin
floating if it is not
used.
WLAN_SDIO_DATA_3
59
B
SDIO data3 IO
P3
Leave this pin
floating if it is not