USB7216C datasheet(21/60 Pages) MICROCHIP

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2021 Microchip Technology Inc.

DS00003851A-page 21

USB7216C

Miscellaneous

ALERT0

Alert 0

Interrupt input for connection to the local companion (UPD360/

UPD350) power delivery controller’s IRQ# signal.

DP1_VCONN1

I/O12

Port 1 VCONN1 enable. Active high signal.

0 = VCONN is turned off.

1 = VCONN is turned on. If DP1_VCONN1 is asserted and >3.0V is

not sensed on the CC1 line, a VCONN fault condition is detected.

Note 3-1

This pin can be left unused only if Port 1 is

disabled or reconfigured to operate as a legacy

Type-A port via OTP/SMBus/SPI configuration.

Weak pull-

down to

GND

(Note 3-1)

DP1_VCONN2

I/O12

Port 1 VCONN2 enable. Active high signal.

0 = VCONN is turned off.

1 = VCONN is turned on. If DP1_VCONN2 is asserted and >3.0V is

not sensed on the CC2 line, a VCONN fault condition is detected.

Note 3-2

This pin can be left unused only if Port 1 is

disabled or reconfigured to operate as a legacy

Type-A port via OTP/SMBus/SPI configuration.

Weak pull-

down to

GND

(Note 3-2)

DP1_DISCHARGE

I/O12

Port 1 DISCHARGE enable. Active high signal.

0 = VBUS discharging is not active.

1 = VBUS is being discharged to GND. This pin only asserts for a

short duration when VBUS is being discharged from 5V (vSafe5V)

to 0V (vSafe0V).

Note 3-3

This pin can be left unused only if Port 1 is

disabled or reconfigured to operate as a legacy

Type-A port via OTP/SMBus/SPI configuration.

Weak pull-

down to

GND

(Note 3-3)

PRT_CTL6

I/O12

(PU)

Port 6 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 6.

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

disabled by configuration or by the host control.

Note:

This signal controls both the USB 2.0 and USB 3.2 por-

tions of the port.

Note 3-4

This pin can be left unused only if Port 6 is

disabled via strap/OTP/SMBus/SPI configuration.

Float

(Note 3-4)

TABLE 3-6:

PROGRAMMABLE FUNCTIONS DESCRIPTIONS (CONTINUED)

Function

Buffer

Type

Description

If Unused

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