Neoway N723-EA - Pin Description; Table 4-1 Pin Description; Table 4-2 Level Feature

N723-EA Hardware User Guide
Chapter 4 Module Pins
Copyright © Neoway Technology Co., Ltd. All rights reserved.
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⚫ If you need to use the I2S or RMII function, contact Neoway FAEs.
⚫ Do Not pull-down USB_BOOT before the initialization process is completed.
⚫ All the RESERVED and Ground pins must be left floating.
4.2 Pin Description
Table 4-1 lists the IO definitions and DC characteristics.
Table 4-1 Pin description
IO type
Pin description
AI
Analog input
AO
Analog output
AIO
Analog input/output
B
Digital Input/Output
DI
Digital Input
DO
Digital Output
PI
Power input
PO
Power output
Table 4-2 Level feature
Interface
type
Power
domai
n
Power
domain
description
Power domain
features
Logic level
USIM
P1
USIM
interface
1.8 V/3.0 V self-
adaptive
1.8 V level feature:
IH DD_P1 DD_P10.7 V ~ V 0.2VV =  +
IL DD_P10.3V ~ 0.3 VV - =
OH(Min) DD_P1 0.2VV V -=
OL(Max) 0.2VV =
3.0V level feature:
IH DD_P12.0V ~ 0.3VVV=+
IL 0.3V ~ 0.8V - V=
OH(Min) 2.4VV =
OL(Max) 0.4VV =
SD/eMM
C
P2
SD/eMMC
interface
1.8 V or 3.0 V
1.8 V level feature:
IH DD_P2 DD_P20.7 V ~ V 0.2VV =  +