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Hardware Integration Guide
Table 18.
The 1.8V Digital IO characteristics are defined in the table below. (Except SDIO1, UICC1 and UICC2/
Ethernet PHY Control interface)
Table 18.
D Digital IO Characteristics for VDD=1.8V Nominal
Parameter
High level input
V
IH
voltage
Low level input
V
IL
voltage
High level
V
OH
output voltage
Low-level
V
OL
output voltage
High level input
V
IH-PM
voltage
Low level input
V
IL-PM
voltage
High level
V
OH-PM
output voltage
Low-level
V
OL-PM
output voltage
High level
I
OH
output current
Low Level
I
OL
output current
High level
I
OH-PM
output current
Input high
I
IHPD
leakage current
Input low
I
ILPU
leakage current
Input
C
IN
capacitance
Caution:
Digital IOs shall not be pulled-up to an external voltage as this may cause VCC_1V8 to not go low
when the AirPrime AR758x/AR8582 device is powered down. Also, this would partially bias the
AirPrime AR758x/AR8582 device which could potentially damage the device or result in GPIOs
being set to undetermined levels.
Table 19.
Digital IO Characteristics for SDIO1 VDD=1.8V Nominal
Parameter
V
High level input voltage
IH
V
Low level input voltage
IL
I
Input high leakage current
IH
I
Input low leakage current
IL
V
High-level output voltage
OH
V
Low level output voltage
OL
41110461XXXX
Comments
CMOS/Schmitt
CMOS/Schmitt
CMOS, at pin rated
drive strength
CMOS, at pin rated
drive strength
CMOS/Schmitt
CMOS/Schmitt
CMOS, at pin rated
drive strength
CMOS, at pin rated
drive strength
VOH = 1.35 V
VOL = 0.45 V
GPIO_PMxx only
Logic High with pull-
down
Logic Low with pull-up
Comments
CMOS/Schmitt
CMOS/Schmitt
No pull-down
No pull-up
CMOS, at rated drive strength
CMOS, at rated drive strength
Rev 0.1
Min
Typ
–
1.17
–
-0.3
–
1.35
–
0
–
1.17
–
-0.3
–
1.5
–
0
–
–
–
-6
–
–
5
-33
–
–
Min
1.27
-0.3
–
-2
1.4
0
January 16, 2017
Introduction
Max
Units
2.16
V
0.63
V
1.93
V
0.45
V
2.1
V
0.63
V
1.88
V
0.3
V
6
mA
–
mA
0.60
mA
33
µA
-5
µA
5
pF
Typ
Max
Units
–
2
V
–
0.58
V
–
2
µA
–
–
µA
–
1.93
V
–
0.45
V
18
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