TUSB8020BPHPR datasheet(21/43 Pages) TI1

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TUSB8020B

www.ti.com

SLLSEF6A – JULY 2014 – REVISED JULY 2014

8.5.1.12 UUID Registers (offset = 10h to 1Fh)

Figure 14. Register Offset 10h to 1Fh

LEGEND: R/W = Read/Write; R = Read only; –n = value after reset

Table 15. Bit Descriptions – UUID Byte N Register

Bit

Field Name

Access

Reset

Description

UUID byte N. The UUID returned in the Container ID descriptor. The value of this register

7:0

uuidByte[n]

is provided by the device and is meets the UUID requirements of Internet Engineering

Task Force (IETF) RFC 4122 A UUID URN Namespace.

8.5.1.13 Language ID LSB Register (offset = 20h)

Figure 15. Register Offset 20h

R/W

LEGEND: R/W = Read/Write; R = Read only; –n = value after reset

Table 16. Bit Descriptions – Language ID LSB Register

Bit

Field Name

Access

Reset

Description

Language ID least significant byte. This register contains the value returned in the

LSB of the LANGID code in string index 0. The TUSB8020B only supports one

7:0

langIdLsb

language ID. The default value of this register is 09h representing the LSB of the

LangID 0409h indicating English United States. When customStrings is 1, this field

may be overwritten by the contents of an attached EEPROM or by an SMBus host.

8.5.1.14 Language ID MSB Register (offset = 21h)

Figure 16. Register Offset 21h

R/W

LEGEND: R/W = Read/Write; R = Read only; –n = value after reset

Table 17. Bit Descriptions – Language ID MSB Register

Bit

Field Name

Access

Reset

Description

Language ID most significant byte. This register contains the value returned in the MSB of

the LANGID code in string index 0. The TUSB8020B only supports one language ID. The

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

7:0

langIdMsb

RO/RW

English United States.

When customStrings is 1, this field may be overwritten by the contents of an attached

EEPROM or by an SMBus host.

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