Neoway N723-EA - Page 23

N723-EA Hardware User Guide
Chapter 4 Module Pins
Copyright © Neoway Technology Co., Ltd. All rights reserved.
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WLAN_SLEEP_CLK
61
DO
Wi-Fi sleep clock
P3
Clock frequency: 32 KHz.
Leave this pin floating if it is not used.
WLAN_EN
62
DO
WLAN enable control
P3
Leave this pin floating if it is not used.
WLAN_PWR_EN
63
DO
Control of the external
power supply for WLAN
P3
Leave this pin floating if it is not used.
I2C Interface
I2C_SDA
81
B
I2C data
P3
Supporting only host mode; connecting this
pin to VDD_1P8 through a pull-up resistor
externally is required; for details, see 5.3.7 .
I2C_SCL
82
DO
I2C clock
P3
SPI interface
SPI_CLK
84
DO
Clock signal
P3
Supporting only master mode.
Leave this pin floating if it is not used.
SPI_MISO
85
DI
Output of the slave device
and input of the master
device
P3
SPI_MOSI
86
DO
Input of the slave device
and output of the master
device
P3
SPI_CS_N
87
DO
Chip select signal of the
slave device
P3
GPIO
GPIO_12
67
B
GPIO with interrupt
P3
Pull-up by default.
Leave this pin floating if it is not used.
GPIO_05
68
B
GPIO with interrupt
P3
Pull-up by default.
Leave this pin floating if it is not used.
GPIO_04
71
B
GPIO with interrupt
P3
Pull-up by default.