TUSB8041IPAPQ1 datasheet(23/48 Pages) TI1

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TUSB8041-Q1

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SLLSEE6B – JULY 2014 – REVISED JANUARY 2016

Table 25. Bit Descriptions – USB 2.0 Port Polarity Control Register (continued)

Downstream Port 1 DM/DP Polarity. This controls the polarity of the port.

0 = USB 2.0 port polarity is as documented by the pin out

1 = USB 2.0 port polarity is swapped from that documented in the

p1_usb2pol

RORW

pin out, i.e. DM becomes DP, and DP becomes DM.

This bit is read only unless the customPolarity bit is set to 1. If

customPolarity is 0 the value of this bit reflects the value of the OTP

ROM p1_usb2pol bit.

Upstream Port DM/DP Polarity. This controls the polarity of the port.

0 = USB 2.0 port polarity is as documented by the pin out

1 = USB 2.0 port polarity is swapped from that documented in the

p0_usb2pol

RO/RW

pin out, i.e. DM becomes DP, and DP becomes DM.

This bit is read only unless the customPolarity bit is set to 1. If

customPolarity is 0 the value of this bit reflects the value of the OTP

ROM p0_usb2pol bit.

8.5.13 UUID Registers

Table 26. Register Offset 10h-1Fh

Bit No.

Reset State

Table 27. Bit Descriptions – UUID Byte N Register

Bit

Field Name

Access

Description

UUID byte N. The UUID returned in the Container ID descriptor. The

value of this register is provided by the device and is meets the UUID

7:0

uuidByte[n]

requirements of Internet Engineering Task Force (IETF) RFC 4122 A

UUID URN Namespace.

8.5.14 Language ID LSB Register

Table 28. Register Offset 20h

Bit No.

Reset State

Table 29. Bit Descriptions – Language ID LSB Register

Bit

Field Name

Access

Description

Language ID least significant byte. This register contains the value

returned in the LSB of the LANGID code in string index 0. The

TUSB8041-Q1 only supports one language ID. The default value of this

7:0

langIdLsb

RO/RW

English United States.

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

of an attached EEPROM or by an SMBus host.

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