TUSB8044AI datasheet(38/63 Pages) TI1

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TUSB8044A

SLLSF92 – FEBRUARY 2019

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8.5.17 Serial Number String Length Register

Figure 18. Register Offset 22h

Bit No.

Reset State

Table 25. Bit Descriptions – Serial Number String Length Register

Bit

Field

Type

Description

7:6

RSVD

Reserved. Read only, returns 0 when read.

5:0

serNumStringLen

RO/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 customSernum is 1, this field may be over-written 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.

8.5.18 Manufacturer String Length Register

Figure 19. Register Offset 23h

Bit No.

Reset State

Table 26. Bit Descriptions – Manufacturer String Length Register

Bit

Field

Type

Description

RSVD

Reserved. Read only, returns 0 when read.

6:0

mfgStringLen

RO/RW

Manufacturer string length. The string length in bytes for the

manufacturer string. The default value is 0, indicating that a

manufacturer string is not provided. The maximum string length is 64

bytes.

When customStrings is 1, this field may be over-written by the contents

of an attached EEPROM or by an SMBus host.

When the field is non-zero, a manufacturer string of mfgStringLen

bytes is returned at string index 3 from the data contained in the

Manufacturer String registers.

8.5.19 Product String Length Register

Figure 20. Register Offset 24h

Bit No.

Reset State

Table 27. Bit Descriptions – Product String Length Register

Bit

Field

Type

Description

RSVD

Reserved. Read only, returns 0 when read.

6:0

prodStringLen

RO/RW

Product string length. The string length in bytes for the product string.

The default value is 0, indicating that a product string is not provided.

The maximum string length is 64 bytes.

When customStrings is 1, this field may be over-written by the contents

of an attached EEPROM or by an SMBus host.

When the field is non-zero, a product string of prodStringLen bytes is

returned at string index 3 from the data contained in the Product String

registers.

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