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TUSB4041IPAP 数据表(PDF) 22 Page - Texas Instruments

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部件名 TUSB4041IPAP
功能描述  Four-Port USB 2.0 Hub
PDF  44 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

TUSB4041IPAP 数据表(HTML) 22 Page - Texas Instruments

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TUSB4041I
SLLSEK3B – JULY 2015 – REVISED DECEMBER 2015
www.ti.com
Table 14. USB 2.0 Port Polarity Control Register Field Descriptions (continued)
Bit
Field
Type
Reset
Description
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.
2
p2_usb2pol
R/RW
0
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.
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
p1_usb2pol
RRW
0
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.
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.
0
p0_usb2pol
R/RW
0
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
UUID byte N
The UUID returned in the Container ID descriptor. The value of this register is
7:0
uuidByte[n]
R
X
provided by the device and meets the UUID requirements of the Internet
Engineering Task Force (IETF) RFC 4122 A UUID URN Namespace.
22
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Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: TUSB4041I



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