TUSB4041IPAPG4 datasheet(25/48 Pages) TI

25 / 48 page

TUSB4041I

www.ti.com

SLLSEK3E – JULY 2015 – REVISED SEPTEMBER 2017

Product Folder Links: TUSB4041I

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8.5.15 Language ID MSB Register

Offset = 21h, reset = 04h

Figure 16. Language ID MSB Register

langIdMsb[7:3]

langIdMsb[2]

langIdMsb[1:0]

R/RW-0

R/RW-1

R/RW-0

Table 17. Language ID MSB Register Field Descriptions

Bit

Field

Type

Reset

Description

7:3

langIdMsb[7:3]

R/RW

Language ID most significant byte

This register contains the value returned in the MSB of the LANGID code in

string index 0. The TUSB4041I device only supports one language ID. The

default value of this register is 04h representing the MSB of the LangID 0409h

indicating English United States.

When the customStrings bit is set to 1, this field may be overwritten by the

contents of an attached EEPROM or by an SMBus host.

langIdMsb[2]

R/RW

1:0

langIdMsb[1:0]

R/RW

8.5.16 Serial Number String Length Register

Offset = 22h

Figure 17. Serial Number String Length Register

RSVD

serNumStringL

en[5]

serNumStringLen[4:3]

serNumStringLen[2:0]

R-0

R/RW-0

R/RW-1

R/RW-0

Table 18. Serial Number String Length Register Field Descriptions

Bit

Field

Type

Reset

Description

7:6

RSVD

Reserved

Read only, returns 0 when read.

serNumStringLen[5]

R/RW

Serial number string length

The string length in bytes for the serial number string. The default value is

18h indicating that a 24-byte serial number string is supported. The

maximum string length is 32 bytes.

When the customSernum bit is set to 1, this field may be overwritten by the

contents of an attached EEPROM or by an SMBus host.

When the field is non-zero, a serial number string of serNumbStringLen

bytes is returned at string index 1 from the data contained in the Serial

Number String registers.

4:3

serNumStringLen[4:3]

R/RW

2:0

serNumStringLen[2:0]

R/RW

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