USB5916CTSLASHKD datasheet(12/66 Pages) MICROCHIP

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2022 Microchip Technology Inc. and its subsidiaries

DS00003189C-page 12

USB5916C

USB 3.1 Gen 1

Port 1 B

D- TX

USB3DN_TXDM1B

I/O-U

Downstream USB Type-C “Orientation B” Super Speed

Transmit Data Minus, port 1.

USB 3.1 Gen 1

Port 1 B

D+ RX

USB3DN_RXDP1B

I/O-U

Downstream USB Type-C “Orientation B” Super Speed

Receive Data Plus, port 1.

USB 3.1 Gen 1

Port 1 B

D- RX

USB3DN_RXDM1B

I/O-U

Downstream USB Type-C “Orientation B” Super Speed

Receive Data Minus, port 1.

TABLE 3-3:

USB 2.0 PIN DESCRIPTIONS

Name

Symbol

Buffer

Type

Description

USB 2.0

Upstream

D+

USB2UP_DP

I/O-U

Upstream USB 2.0 Data Plus (D+)

USB 2.0

Upstream

D-

USB2UP_DM

I/O-U

Upstream USB 2.0 Data Minus (D-)

USB 2.0

Ports 6 D+

USB2DN_DP[6:1]

I/O-U

Downstream USB 2.0 Ports 6-1 Data Plus (D+)

USB 2.0

Ports 6 D-

USB2DN_DM[6:1]

I/O-U

Downstream USB 2.0 Ports 6-1 Data Minus (D-)

VBUS Detect

VBUS_DET

This signal detects the state of the upstream bus power.

When designing a detachable hub, this pin must be con-

nected to the VBUS power pin of the upstream USB port

through a resistor divider (50 k

Ω by 100 kΩ) to provide

3.3 V.

For self-powered applications with a permanently

attached host, this pin must be connected to either 3.3 V

or 5.0 V through a resistor divider to provide 3.3 V.

In embedded applications,

VBUS_DET may be controlled

(toggled) when the host desires to renegotiate a connec-

tion without requiring a full reset of the device.

TABLE 3-2:

USB 3.2 GEN 1 PIN DESCRIPTIONS (CONTINUED)

Name

Symbol

Buffer

Type

Description

USB5916CT/KD Datasheet(PDF) 12 Page - Microchip Technology

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