Neoway N720 OpenLinux - Table 2-1 IO Types and Level Features

N720 OpenLinux
Hardware User Guide
Copyright © Neoway Technology Co., Ltd
7
Pin Description
Table 3-1 lists the definition of IO types
Table 2-1 IO types and level features
IO Type
B
Digital input/output, COMS logic level
DO
Digital output, COMS logic level
DI
Digital input, COMS logic level
PO
Power output
PI
Power supply input
AI
Analog input
AIO
Analog input/output
OD
Open drain
Level Feature
I/O
Pin type
Voltage Feature
Current Feature
P1
USIM1 interface voltage,
compatible with 1.8V/2.85V
1.8V Voltage
Feature
V
IH
=1.26V~2.1V
V
IL
=-0.3V~0.36V
V
OH
=1.44V~1.8V
V
OL
=0V~0.4V
2.85V Voltage
Feature
V
IH
=2V~3.15V,
V
IL
=-0.3V~0.57V
V
OH
=2.28V~2.85V
V
OL
=0V~0.4V
2 mA to 16 mA,
adjustable at a
spacing of 2 mA
P2
USIM2 and MDIO interface
voltage, compatible with
1.8V/2.85V
1.8V Voltage
Feature
V
IH
=1.26V~2.1V
V
IL
=-0.3V~0.36V
V
OH
=1.44V~1.8V
V
OL
=0V~0.4V
2.85V Voltage
Feature
V
IH
=2V~3.15V,
V
IL
=-0.3V~0.57V
V
OH
=2.28V~2.85V
V
OL
=0V~0.4V
P3
1.8V digital IO voltage
V
IH min
=1.2V, V
IL max
= 0.3V
V
OH min
=1.35V, V
OL max
= 0.45V