TUSB4041IPAPRQ1 datasheet(22/44 Pages) TI1

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TUSB4041I-Q1

SLLSEK4B – JULY 2015 – REVISED JANUARY 2016

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Table 14. USB 2.0 Port Polarity Control Register Field Descriptions (continued)

Bit

Field

Type

Reset

Description

p2_usb2pol

R/RW

Downstream port 2 DM/DP polarity

This bit controls the polarity of the port.

0 = USB 2.0 port polarity is as shown in the pinout.

1 = USB 2.0 port polarity is swapped from that shown in the pinout (that is, 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 p2_usb2pol bit.

p1_usb2pol

RRW

Downstream port 1 DM/DP polarity

This bit controls the polarity of the port.

0 = USB 2.0 port polarity is as shown in the pinout.

1 = USB 2.0 port polarity is swapped from that shown in the pinout (that is, 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.

p0_usb2pol

R/RW

Upstream port DM/DP polarity

This bit controls the polarity of the port.

0 = USB 2.0 port polarity is as shown in the pinout.

1 = USB 2.0 port polarity is swapped from that shown in the pinout (that is, 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 Byte N Register

Offset = 10h-1Fh

Figure 14. UUID Byte N Register

uuidByte[n]

R-X

Table 15. UUID Byte N Register Field Descriptions

Bit

Field

Type

Reset

Description

7:0

uuidByte[n]

UUID byte N

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

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

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

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