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ConnectCore
f or
i.MX51
©
2011
Digi
International,
Inc.
138
The following table shows the Ultra-High Voltage I/O (UHVIOxx) DC parameters. The “xx”
reference signifies the supply voltage level.
Parameter
Symbol
Min
Typ
Max
Unit
Supply Voltage
VDD
xx = 31
xx = 33
3.0
3.0
3.15
3.3
3.6
3.6
V
High-level output voltage
Voh
(USB, WLAN)
VDD-0.15
VDD-0.43
-
-
VDD-0.15
VDD-0.43
V
Low-level output voltage
Vol
(USB, WLAN)
-
-
--
0.15
0.43
V
High-level output current
Ioh
- Low drive
- Medium drive
- High drive
-5.1
-10.2
-15.3
-
-
mA
Low-level output current
Iol
- Low drive
- Medium drive
- High drive
5.1
10.2
15.3
-
-
mA
High-level input voltage
VIH
0.7 x VDD
-
VDD
V
Low-level input voltage
VIL
0
-
0.3 x VDD
V
Input Current (no/pull)
Iin
-
-
10
µA
Input Current (22k
Ω
/
pull-up)
Iin
-
-
202
µA
Input Current (75k
Ω
/
pull-up)
Iin
-
-
61
µA
Input Current (100k
Ω
/
pull-up)
Iin
-
-
47
µA
Input Current (360k
Ω
/
pull-down)
Iin
-
-
5.7
µA
Keeper circuit resistance
-
-
17
-
k
Ω
Output driver impedance
Rout
- Low drive
- Medium drive
- High drive
114
57
38
135
67
45
206
103
69
Ω
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