USB5532B datasheet(47/68 Pages) MICROCHIP

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USB5532B

DS00001679C-page 47

 2012 - 2015 Microchip Technology Inc.

5.6.24

PORT 2 OCS SELECT REGISTER

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

dynamically.

5.6.25

CHARGING DOWNSTREAM DETECTED REGISTER

5.6.26

OCS GANG CONTROL REGISTER

TABLE 5-41:

PORT 2 OCS SELECT REGISTER

OCS_CFG_SEL2

(0X3C24)

Port 2 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 5-42:

CHARGING DOWNSTREAM DETECTED REGISTER

CDP_DETECT

(0X5246)

Charging Downstream Detected

Bit

Name

R/W

Description

7:2

Reserved

R/W

Reserved

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 5-43:

OCS GANG CONTROL REGISTER

OCS_GANG

(0X525A)

OCS Gang Control

Bit

Name

R/W

Description

7:3

Reserved

R/W

Reserved

P2_OCS_GANG

R/W

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

selected pin.

P1_OCS_GANG

R/W

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

selected pin.

Reserved

R/W

Reserved

USB5532B 数据表(PDF) 47 Page - Microchip Technology

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