USB5926CSLASHKD datasheet(16/66 Pages) MICROCHIP

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2022 Microchip Technology Inc. and its subsidiaries

DS00003190C-page 16

USB5926C

USB Type-C

Alternative

Orientation A

Attach 0-2

ATTACH_MUX[0:2]A

(PD)

“Type-C Control Mode 2” Alternative USB Type-C attach

for “Orientation A” USB Type-C connections.

This mode of control is an alternative to the

C_AT-

TACH[0:2] and AB[0:2] pins. To select this mode, the

ALT_MUX_EN pin must be high.

When this pin asserted, the hub enables the “Orientation

A” USB 3.1 Gen 1 PHY of the associated port. When

there is no USB Type-C connection present and this pin

is not asserted, the associated USB 3.1 Gen 1 PHY is

disabled to reduce power consumption.

The polarity of this input is controlled via the

CC_POL

pin.

CC_POL is low, this pin behaves as follows:

- 1: USB Type-C attach detected, turn respective

“Orientation A” USB 3.1 Gen 1 PHY on.

- 0: No USB Type-C attach detected, turn respec-

tive “Orientation A” USB 3.1 Gen 1 PHY off.

CC_POL is high, this pin behaves as follows:

- 1: No USB Type-C attach detected, turn respec-

tive “Orientation A” USB 3.1 Gen 1 PHY off.

- 0: USB Type-C attach detected, turn respective

“Orientation A” USB 3.1 Gen 1 PHY on.

TABLE 3-6:

USB TYPE-C CONNECTOR CONTROLS (CONTINUED)

Name

Symbol

Buffer

Type

Description

USB5926C/KD 数据表(PDF) 16 Page - Microchip Technology

USB5926C/KD 数据表(HTML) 16 Page - Microchip Technology

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