TUSB4041IPAPRG4 datasheet(19/48 Pages) TI

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TUSB4041I

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SLLSEK3E – JULY 2015 – REVISED SEPTEMBER 2017

Product Folder Links: TUSB4041I

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8.5.7 Device Configuration Register

Offset = 5h

Figure 8. Device Configuration Register

customStrings

customSernum

RSVD

ganged

fullPwrMgmtz

RSVD

RW-0

R-1

RW-X

RW-0

R-0

Table 9. Device Configuration Register Field Descriptions

Bit

Field

Type

Reset

Description

customStrings

Custom strings enable

This bit controls the ability to write to the Manufacturer String Length, Manufacturer

String, Product String Length, Product String, and Language ID registers

0 = The Manufacturer String Length, Manufacturer String, Product String

Length, Product String, and Language ID registers are read only.

1 = The Manufacturer String Length, Manufacturer String, Product String

Length, Product String, and Language ID registers may be loaded by

EEPROM or written by SMBus.

The default value of this bit is 0.

customSernum

Custom serial number enable

This bit controls the ability to write to the serial number registers.

0 = The Serial Number String Length and Serial Number String registers are

read only.

1 = Serial Number String Length and Serial Number String registers may be

loaded by EEPROM or written by SMBus.

The default value of this bit is 0.

RSVD

Reserved.

RSVD

Reserved. This bit is reserved and returns 1 when read.

ganged

Ganged

This bit is loaded at the deassertion of reset with the value of the

GANGED/SMBA2/HS_UP pin.

0 = Each port is individually power switched and enabled by the

PWRCTL[4:1]/BATEN[4:1] pins.

1 = The power switch control for all ports is ganged and enabled by the

PWRCTL[4:1]/BATEN1 pin.

When the TUSB4041I device is in I2C mode, the TUSB4041I device loads this bit

from the contents of the EEPROM.

When the TUSB4041I device is in SMBUS mode, the value may be overwritten by

an SMBus host.

fullPwrMgmtz

Full power management

This bit is loaded at the deassertion of reset with the value of the

FULLPWRMGMTz/SMBA1 pin.

0 = Port power switching status reporting is enabled

1 = Port power switching status reporting is disabled

When the TUSB4041I device is in I2C mode, the TUSB4041I device loads this bit

from the contents of the EEPROM.

When the TUSB4041I device is in SMBUS mode, the value may be overwritten by

an SMBus host.

RSVD

Reserved

This field is reserved and should not be altered from the default.

RSVD

Reserved

This field is reserved and returns 0 when read.

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