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USB334X 数据表(PDF) 71 Page - Microchip Technology

部件名 USB334X
功能描述  Enhanced Single Supply Hi-Speed USB ULPI Transceiver
PDF  92 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB334X 数据表(HTML) 71 Page - Microchip Technology

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2009-2018 Microchip Technology Inc.
DS00002646A-page 71
USB334x
7.1.2.3
Carkit Interrupt Status
Address = 20h (read only)
CarDpRise
3
rd
0b
Not Implemented. Reads as 0b.
CarDpFall
4
rd
0b
Not Implemented. Reads as 0b.
RidIntEn
5
rd/w/s/c
0b
When enabled an interrupt will be generated on the
alt_int of the RXCMD byte when RidConversionDone
bit is asserted.
Note:
This register bit is or’ed with the RidIntEn bit
of the Vendor Rid Conversion register
described in Section 7.1.3.4, "Vendor Rid
Conversion," on page 74.
Reserved
6
rd/w/s/c
0b
Read only, 0.
Reserved
7
rd
0b
Read only, 0.
Field Name
Bit
Access
Default
Description
IdFloat
0
rd
0b
Asserted when the ID pin is floating. IdPullup must be
enabled.
VdatDet
1rd
0b
VDAT_DET Comparator output
0b: No voltage is detected on DP
1b: Voltage detected on DP, IdatSinkEn must be set
to 1.
Note:
VdatDet can also be read from the USB-IF
Charger Detection register described in
Section 7.1.3.3, "Headset Audio Mode," on
page 74.
CarDp
2
rd
0b
Not Implemented. Reads as 0b.
RidValue
5:3
rd
000b
Conversion value of Rid resistor
000: 0Ω
001: 75Ω
010: 102 KΩ
011: 200 KΩ
100: Reserved
101: ID floating
111: Error
Note:
RidValue can also be read from the Vendor
Rid Conversion register described in
Section 7.1.3.4, "Vendor Rid Conversion,"
on page 74.
Field Name
Bit
Access
Default
Description



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