Data Sheet

16
FORM NO.: FR2-015_ A Responsible Department：WBU Expiry Date: Forever
The information contained herein is the exclusive property of AzureWave and shall not be distributed, reproduced, or disclosed
in whole or in part without prior written permission of AzureWave.
3.3 Digital IO Pin DC Characteristics
3.3.1 DC Electricals-1.8V Operation (VIO)
Symbol
Parameter
Minimum
Typical
Maximum
Unit
V
IH
Input high voltage
0.7*VIO
-
VIO+0.4
V
V
IL
Input low voltage
-0.4
-
0.3*VIO
V
OH
Output high voltage
VIO-0.4
-
-
V
OL
Output low voltage
-
-
0.4
V
HYS
Input Hysteresis
100
mV
3.3.2 3.3V Operation (VIO)
Symbol
Parameter
Minimum
Typical
Maximum
Unit
V
IH
Input high voltage
0.7*VIO
-
VIO+0.4
V
V
IL
Input low voltage
-0.4
-
0.3*VIO
V
OH
Output High Voltage
VIO-0.4
-
-
V
OL
Output Low Voltage
-
-
0.4
V
HYS
Input Hysteresis
100
mV
3.3.3 1.8V Operation (VIO_SD)
Symbol
Parameter
Minimum
Typical
Maximum
Unit
V
IH
Input high voltage
0.7*VIO_SD
-
VIO_SD+0.4
V
V
IL
Input low voltage
-0.4
-
0.3*VIO_SD
V
OH
Output High Voltage
VIO_SD-0.4
-
-
V
OL
Output Low Voltage
-
-
0.4
V
HYS
Input Hysteresis
100
mV
3.3.4 3.3V Operation (VIO_SD)
Symbol
Parameter
Minimum
Typical
Maximum
Unit
V
IH
Input high voltage
0.7*VIO_SD
-
VIO_SD+0.4
V
V
IL
Input low voltage
-0.4
-
0.3* VIO_SD
V
OH
Output High Voltage
VIO_SD-0.4
-
-
V
OL
Output Low Voltage
-
-
0.4
V
HYS
Input Hysteresis
100
mV