TUSB8041 datasheet(18/49 Pages) TI2

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TUSB8041

SLLSEE4E – JUNE 2014 – REVISED JUNE 2016

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8.5.3 Vendor ID LSB Register

Table 6. Register Offset 1h

Bit No.

Reset State

Table 7. Bit Descriptions – Vendor ID LSB Register

Bit

Field Name

Access

Description

7:0

vendorIdLsb

RO/RW

Vendor ID LSB. Least significant byte of the unique vendor ID assigned

by the USB-IF; the default value of this register is 51h representing the

LSB of the TI Vendor ID 0451h. The value may be over-written to

indicate a customer Vendor ID.

This field is read/write unless the OTP ROM VID and OTP ROM PID

values are non-zero. If both values are non-zero the value when reading

this register shall reflect the OTP ROM value.

8.5.4 Vendor ID MSB Register

Table 8. Register Offset 2h

Bit No.

Reset State

Table 9. Bit Descriptions – Vendor ID MSB Register

Bit

Field Name

Access

Description

7:0

vendorIdMsb

RO/RW

Vendor ID MSB. Most significant byte of the unique vendor ID assigned

by the USB-IF; the default value of this register is 04h representing the

MSB of the TI Vendor ID 0451h. The value may be over-written to

indicate a customer Vendor ID.

This field is read/write unless the OTP ROM VID and OTP ROM PID

values are non-zero. If both values are non-zero the value when reading

this register shall reflect the OTP ROM value.

8.5.5 Product ID LSB Register

Table 10. Register Offset 3h

Bit No.

Reset State

Table 11. Bit Descriptions – Product ID LSB Register

Bit

Field Name

Access

Description

7:0

productIdLsb

RO/RW

Product ID LSB. Least significant byte of the product ID assigned by

Texas Instruments and reported in the SuperSpeed Device descriptor.

the default value of this register is 40h representing the LSB of the

SuperSpeed product ID assigned by Texas Instruments The value

reported in the USB 2.0 Device descriptor is the value of this register bit

wise XORed with 00000010b. The value may be over-written to indicate

a customer product ID.

This field is read/write unless the OTP ROM VID and OTP ROM PID

values are non-zero. If both values are non-zero the value when reading

this register will reflect the OTP ROM value.

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