USB7016 datasheet(14/60 Pages) MICROCHIP

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USB7016

DS00003740B-page 14

 2022 Microchip Technology Inc. and its subsidiaries

Downstream

Port 1 Type-C

CC2

DP1_CC2

I/O12

Used for Type-C attach and orientation

detection on Port 1. Includes configurable

Rp/Ra selection. Connect this pin directly to

the CC2 pin of the respective Type-C con-

nector.

Note 3-5

If unused: Weak pull-down

to GND. This pin may only

be left unused if Port 1 is

disabled or reconfigured to

operate in legacy Type-A

mode

through

hub

configuration.

Note 3-5

Upstream

Voltage Monitor

VBUS_MON_UP

I/O12

Used to detect VBUS on the upstream port.

Externally, VBUS can be as high as 5.5 V,

which can be damaging to this pin. The

amplitude of VBUS must be reduced by a

voltage divider. The recommended voltage

divider is shown below. 1% tolerance resis-

tors are recommended.

Note:

For embedded host applications,

this pin should be controlled by

an I/O on the host processor to a

2.68V logic level.

Note:

If USB Power Delivery is imple-

mented on the upstream port,

VBUS_MON_UP should not be

connected to VBUS, as VBUS

can reach as high as 20V (Stan-

dard Power Range) or 48V

(Extended

Power

Range).

Instead, the USB Power Delivery

controller should assert an I/O to

provide a nominal 2.7V voltage

to the pin when a valid Type-C

connection is detected.

Mandatory

Note 3-8

Miscellaneous

Programmable

Function Pins

PF[31:3]

I/O12

Programmable function pins.

Note 3-6

If unused: depends on the

configured pin function.

Refer to Section 3.3.4,

PF[31:3] Configuration

(CFG_STRAP[2:1])

Note 3-6

TABLE 3-1:

PIN DESCRIPTIONS (CONTINUED)

Name

Symbol

Buffer

Type

Description

If Unused

VBUS_UP

43K

VBUS_MON_UP

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