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TUSB4041IPAP 数据表(PDF) 24 Page - Texas Instruments

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部件名 TUSB4041IPAP
功能描述  TUSB4041I Four-Port USB 2.0 Hub
PDF  48 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TUSB4041IPAP 数据表(HTML) 24 Page - Texas Instruments

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TUSB4041I
SLLSEK3E – JULY 2015 – REVISED SEPTEMBER 2017
www.ti.com
Product Folder Links: TUSB4041I
Submit Documentation Feedback
Copyright © 2015–2017, Texas Instruments Incorporated
Table 14. USB 2.0 Port Polarity Control Register Field Descriptions (continued)
Bit
Field
Type
Reset
Description
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.
8.5.14 Language ID LSB Register
Offset = 20h, reset = 09h
Figure 15. Language ID LSB Register
7
6
5
4
3
2
1
0
langIdLsb[7:4]
langIdLsb[3]
langIdLsb[2:1]
langIdLsb[0]
R/RW-0
R/RW-1
R/RW-0
R/RW-1
Table 16. Language ID LSB Register Field Descriptions
Bit
Field
Type
Reset
Description
7:4
langIdLsb[7:4]
R/RW
0
Language ID least significant byte
This register contains the value returned in the LSB of the LANGID code in string
index 0. The TUSB4041I device only supports one language ID. The default
value of this register is 09h representing the LSB of the LangID 0409h indicating
English United States.
When the customStrings bit is set to 1, this field may be overwritten by the
contents of an attached EEPROM or by an SMBus host.
3
langIdLsb[3]
R/RW
1
2:1
langIdLsb[2:1]
R/RW
0
0
langIdLsb[0]
R/RW
1



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