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TUSB4041I-Q1 Datasheet(PDF) 22 Page - Texas Instruments |
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TUSB4041I-Q1 Datasheet(HTML) 22 Page - Texas Instruments |
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22 / 44 page  22 TUSB4041I-Q1 SLLSEK4B – JULY 2015 – REVISED JANUARY 2016 www.ti.com Product Folder Links: TUSB4041I-Q1 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Table 14. USB 2.0 Port Polarity Control Register Field Descriptions (continued) Bit Field Type Reset Description 2 p2_usb2pol R/RW 0 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. 1 p1_usb2pol RRW 0 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. 0 p0_usb2pol R/RW 0 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 7 6 5 4 3 2 1 0 uuidByte[n] R-X Table 15. UUID Byte N Register Field Descriptions Bit Field Type Reset Description 7:0 uuidByte[n] R X 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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