USB5533B datasheet(48/71 Pages) MICROCHIP

48 / 71 page

USB5533B

DS00001680C-page 48

 2012 - 2015 Microchip Technology Inc.

5.6.26

PORT 3 OCS SELECT REGISTER

The bits in this register are configured via a configuration file. Users must not change the values of these settings

dynamically.

5.6.27

CHARGING DOWNSTREAM DETECTED REGISTER

5.6.28

OCS GANG CONTROL REGISTER

TABLE 5-43:

PORT 3 OCS SELECT REGISTER

OCS_CFG_SEL3

(0X3C28)

Port 3 OCS Select

Bit

Name

R/W

Description

7:4

Reserved

R/W

Reserved.

3:0

OCS_SEL

R/W

This selects the source for the port power for port1

0000b - The port is disabled

0001b - OCS comes from OCS pin

0010b - OCS comes from GPIO

1111b - OCS is force on (for testing)

All other values are reserved.

TABLE 5-44:

CHARGING DOWNSTREAM DETECTED REGISTER

CDP_DETECT

(0X5246)

Charging Downstream Detected

Bit

Name

R/W

Description

7:3

Reserved

R/W

Reserved

P3_CDP

R/W

0 = No CDP handshake detected.

1 = Charging Downstream Port handshake detected prior to

enumeration.

P2_CDP

R/W

0 = No CDP handshake detected.

1 = Charging Downstream Port handshake detected prior to

enumeration.

P1_CDP

R/W

0 = No CDP handshake detected.

1 = Charging Downstream Port handshake detected prior to

enumeration.

TABLE 5-45:

OCS GANG CONTROL REGISTER

OCS_GANG

(0X525A)

OCS Gang Control

Bit

Name

R/W

Description

7:4

Reserved

R/W

Reserved

P3_OCS_GANG

R/W

Setting this bit to 1 will cause this ports OCS status to be ganged to the

selected pin.

USB5533B 数据表(PDF) 48 Page - Microchip Technology

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