USB7002 datasheet(19/56 Pages) MICROCHIP

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DS00002670G-page 19

USB7002

DP1_DISCHARGE

I/O12

Port 1 DISCHARGE enable

PRT_CTL4

I/O12

(PU)

Port 4 power enable / overcurrent sense

When the downstream port is enabled, this pin is set as an input with an

internal pull-up resistor applied. The internal pull-up enables power to the

downstream port while the pin monitors for an active low overcurrent signal

assertion from an external current monitor on USB port 4.

This pin will change to an output and be driven low when the port is dis-

abled by configuration or by the host control.

Note:

This signal controls both the USB 2.0 and USB 3.2 portions of

the port.

PRT_CTL3

I/O12

(PU)

Port 3 power enable / overcurrent sense

When the downstream port is enabled, this pin is set as an input with an

internal pull-up resistor applied. The internal pull-up enables power to the

downstream port while the pin monitors for an active low overcurrent signal

assertion from an external current monitor on USB port 3.

This pin will change to an output and be driven low when the port is dis-

abled by configuration or by the host control.

Note:

This signal controls both the USB 2.0 and USB 3.2 portions of

the port.

PRT_CTL2

I/O12

(PU)

Port 2 power enable / overcurrent sense

When the downstream port is enabled, this pin is set as an input with an

internal pull-up resistor applied. The internal pull-up enables power to the

downstream port while the pin monitors for an active low overcurrent signal

assertion from an external current monitor on USB port 2.

This pin will change to an output and be driven low when the port is dis-

abled by configuration or by the host control.

Note:

This signal controls both the USB 2.0 and USB 3.2 portions of

the port.

PRT_CTL1

I/O12

(PU)

Port 1 power enable / overcurrent sense

When the downstream port is enabled, this pin is set as an input with an

internal pull-up resistor applied. The internal pull-up enables power to the

downstream port while the pin monitors for an active low overcurrent signal

assertion from an external current monitor on USB port 1.

This pin will change to an output and be driven low when the port is dis-

abled by configuration or by the host control.

Note:

This signal controls both the USB 2.0 and USB 3.2 portions of

the port.

GPIOx

I/O12

General Purpose Inputs/Outputs

(x = 70-71, 76, 78, 82-83, 90-95)

TABLE 3-6:

PROGRAMMABLE FUNCTIONS DESCRIPTIONS (CONTINUED)

Function

Buffer

Type

Description

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