USB7002 datasheet(10/56 Pages) MICROCHIP

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USB7002

DS00002670G-page 10

 2022 Microchip Technology Inc. and its subsidiaries

3.2

Pin Descriptions

This section contains descriptions of the various USB7002 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.

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

TABLE 3-1:

PIN DESCRIPTIONS

Name

Symbol

Buffer

Type

Description

USB 3.2 Gen 1 Interfaces

Upstream USB

3.2 Gen 1 TX D+

Orientation A

USB3UP_TXDPA

I/O-U

Upstream USB Type-C® “Orientation A” USB 3.2 Gen 1

Transmit Data Plus.

Upstream USB

3.2 Gen 1 TX D-

Orientation A

USB3UP_TXDMA

I/O-U

Upstream USB Type-C “Orientation A” USB 3.2 Gen 1

Transmit Data Minus.

Upstream USB

3.2 Gen 1 RX D+

Orientation A

USB3UP_RXDPA

I/O-U

Upstream USB Type-C “Orientation A” USB 3.2 Gen 1

Receive Data Plus.

Upstream USB

3.2 Gen 1 RX D-

Orientation A

USB3UP_RXDMA

I/O-U

Upstream USB Type-C “Orientation A” USB 3.2 Gen 1

Receive Data Minus.

Upstream USB

3.2 Gen 1 TX D+

Orientation B

USB3UP_TXDPB

I/O-U

Upstream USB Type-C “Orientation B” USB 3.2 Gen 1

Transmit Data Plus.

Upstream USB

3.2 Gen 1 TX D-

Orientation B

USB3UP_TXDMB

I/O-U

Upstream USB Type-C “Orientation B” USB 3.2 Gen 1

Transmit Data Minus.

Upstream USB

3.2 Gen 1 RX D+

Orientation B

USB3UP_RXDPB

I/O-U

Upstream USB Type-C “Orientation B” USB 3.2 Gen 1

Receive Data Plus.

Upstream USB

3.2 Gen 1 RX D-

Orientation B

USB3UP_RXDMB

I/O-U

Upstream USB Type-C “Orientation B” USB 3.2 Gen 1

Receive Data Minus.

Downstream

Port 1 USB 3.2

Gen 1 TX D+

Orientation A

USB3DN_TXDP1A

I/O-U

Downstream USB Type-C “Orientation A” Super Speed

Transmit Data Plus, port 1.

Downstream

Port 1 USB 3.2

Gen 1 TX D- Ori-

entation A

USB3DN_TXDM1A

I/O-U

Downstream USB Type-C “Orientation A” Super Speed

Transmit Data Minus, port 1.

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