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μ
PD720210
2.5
USB Port Control Pins
Pin Name
OCI1B
OCI2B, OCI3B,
OCI4B
PPON1B/NRDRSTB
PPON2B
R19UH0093EJ0200 Rev.2.00
May 26, 2014
I/O
Active
Pin No.
Type
45
IN
Low
55, 57,
IN
Low
59
46
I/O
Low
56
I/O
Low
Level
[Function]
Over Current Input
0: Over-current condition is detected.
1: Non over-current condition is detected.
[Pin strapping option]
OCI1B
Pin Function
Removable device setting
High
and Over current input.
Low
Non-Removable setting.
This pin is used to select non-removable setting.
[Function]
Over Current Input
0: Over-current condition is detected.
1: Non over-current condition is detected.
[Pin strapping option]
OCIXB
Pin Function
Removable device setting
High
and Over Current Input.
Low
Non-Removable setting.
This pin is used to select non-removable setting.
[Function]
Port Power Control or NRDRSTB (Non-Removable
Device Reset) depending on pin strap setting of this
pin.
PPON1B/NRDRSTB
High
Low
PPON1B is a Port Power Control signal
0: Power supply for VBUS is on.
1: Power supply for VBUS is off.
NRDRSTB is a reset signal for Non-Removable
device.
[Function]
This pin is a Port Power Control signal.
0: Power supply for VBUS is on.
1: Power supply for VBUS is off.
[Pin strapping option]
This pin is used for pin strapping option:
Gang/Individual Power Control of all ports.
PPON2B
Gang/Individual Mode
High
Individual
Low
Gang
2. Pin Function
Function
Pin Function
PPON1B
NRDRSTB
Page 9 of 59
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