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USB333X 데이터시트(PDF) 65 Page - Microchip Technology

부품명 USB333X
상세설명  Industry?셲 Smallest Hi-Speed USB Transceiver with Single Supply Operation
PDF  85 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB333X 데이터시트(HTML) 65 Page - Microchip Technology

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 2009 - 2015 Microchip Technology Inc.
DS00001880A-page 65
USB333x
7.1.2.3
Carkit Interrupt Status
Address = 20h (read only)
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.
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 7.1.3.4.
CarDp
2
rd
0b
Not Implemented. Reads as 0b.
RidValue
5:3
rd
000b
Conversion value of Rid resistor
000: 0 ohms
001: 75 ohms
010: 102K ohms
011: 200K ohms
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.
RidConversionDone
6
rd
0b
Automatically asserted by the USB333x when the Rid
Conversion is finished. The conversion will take
282uS. This bit will auto clear when the RidValue is
read from the Rid Conversion Register. Reading the
RidValue
from the Carkit Interrupt Status register will
not clear either RidConversionDone status bit.
Note:
RidConversionDone
can also be read from
the Vendor Rid Conversion register described
in Section 7.1.3.4.
Reserved
7
rd
0b
Read only, 0.
Field Name
Bit
Access
Default
Description



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