Neoway N723-EA - Table 4-3 Pin Description

N723-EA Hardware User Guide
Chapter 4 Module Pins
Copyright © Neoway Technology Co., Ltd. All rights reserved.
19
Table 4-3 Pin Description
Signal
Pin
I/O
Function description
Level
feature
Remarks
Power interface
VBAT
27, 28, 29
PI
Main power supply of the
module
V
min
= 3.4 V
V
norm
= 3.8 V
V
max
= 4.2 V
The external power supplies at least 2.5 A
current to VBAT.
VDD_1P8
45
PO
1.8 V power output
V
norm
= 1.8V
I
max
= 50 mA
Used only for level shifting.
Leave this pin floating if it is not used.
GND
1, 14, 17, 20, 26, 30, 31, 44, 49, 74, 75, 77, 91, 93, 95, 97, 98, 99, 100
Ensure that all GND pins are grounded.
Control Interfaces
PWRKEY_N
33
DI
Used to power on/off or
reset the module.
-
Power-on/off & reset of the module is
triggered by the low pulse, and is controlled
based on the low pulse width. The interface
voltage is default to VBAT.
PWRKEY
34
DI
Startup control
-
Power-on of the module is triggered by the
high level.
Leave this pin floating if it is not used.
USB_BOOT
48
DI
Forcible
download/upgrade control
pin
P3
Used to enter the USB download mode by
pulling up its voltage to GND.
Leave this pin floating if it is not used.
SLEEP
79
DI
Sleep mode control
P3
Controls the module to enter into/exit from
sleep mode.
Leave this pin floating if it is not used.