USB7016 datasheet(10/60 Pages) MICROCHIP

10 / 60 page

USB7016

DS00003740B-page 10

 2022 Microchip Technology Inc. and its subsidiaries

3.2

Pin Descriptions

This section contains descriptions of the various USB7016 pins. The “_N” symbol in the signal name indicates that the

active, or asserted, state occurs when the signal is at a low voltage level. For example, RESET_N indicates that the

reset signal is active low. When “_N” is not present after the signal name, the signal is asserted when at the high voltage

level.

The terms assertion and negation are used exclusively. This is done to avoid confusion when working with a mixture of

“active low” and “active high” signal. The term assert, or assertion, indicates that a signal is active, independent of

whether that level is represented by a high or low voltage. The term negate, or negation, indicates that a signal is inac-

tive.

The “If Unused” column provides information on how to terminate pins if they are unused in a customer design.

Buffer type definitions are detailed in Section 1.2, Buffer Types.

Note:

100kOhm is the recommended value any time a weak pull-down or pull-up resistor is called for.

TABLE 3-1:

PIN DESCRIPTIONS

Name

Symbol

Buffer

Type

Description

If Unused

USB 3.2 Gen 1 Interfaces

Upstream USB

3.2 Gen 1 TX D+

USB3UP_TXDP

I/O-U

Upstream USB 3.2 Gen 1 Transmit Data

Plus.

Float

Upstream USB

3.2 Gen 1 TX D-

USB3UP_TXDM

I/O-U

Upstream USB 3.2 Gen 1 Transmit Data

Minus.

Float

Upstream USB

3.2 Gen 1 RX D+

USB3UP_RXDP

I/O-U

Upstream USB 3.2 Gen 1 Receive Data

Plus.

Weak pull-

down to

GND

Upstream USB

3.2 Gen 1 RX D-

USB3UP_RXDM

I/O-U

Upstream USB 3.2 Gen 1 Receive Data

Minus.

Weak pull-

down to

GND

Downstream

Port 1 USB 3.2

Gen 1 TX D+

Orientation A

USB3DN_TXDP1A

I/O-U

Downstream USB Type-C® “Orientation A”

SuperSpeed Transmit Data Plus, port 1.

Float

Downstream

Port 1 USB 3.2

Gen 1 TX D- Ori-

entation A

USB3DN_TXDM1A

I/O-U

Downstream USB Type-C “Orientation A”

SuperSpeed Transmit Data Minus, port 1.

Float

Downstream

Port 1 USB 3.2

Gen 1 RX D+

Orientation A

USB3DN_RXDP1A

I/O-U

Downstream USB Type-C “Orientation A”

SuperSpeed Receive Data Plus, port 1.

Weak pull-

down to

GND

Downstream

Port 1 USB 3.2

Gen 1 RX D-

Orientation A

USB3DN_RXDM1A

I/O-U

Downstream USB Type-C “Orientation A”

SuperSpeed Receive Data Minus, port 1.

Weak pull-

down to

GND

Downstream

Port 1 USB 3.2

Gen 1 TX D+

Orientation B

USB3DN_TXDP1B

I/O-U

Downstream USB Type-C “Orientation B”

SuperSpeed Transmit Data Plus, port 1.

Float

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