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USB334X Datasheet(PDF) 73 Page - Microchip Technology

Part # USB334X
Description  Enhanced Single Supply Hi-Speed USB ULPI Transceiver
PDF  92 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB334X Datasheet(HTML) 73 Page - Microchip Technology

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2009-2018 Microchip Technology Inc.
DS00002646A-page 73
USB334x
7.1.3.2
USB-IF Charger Detection
Address = 32h (read / write)
Field Name
Bit
Access
Default
Description
VariSense
1:0
rd/w
00b
Used to lower the threshold of the squelch detector.
00: 100% (default)
01: 83%
10: 66.7%
11: 50%
Reserved
2
rd
0b
Read only, 0.
Reserved
3
rd
0b
Read only, 0.
PHYBoost
6:4
rd/w
000b
Used to change the output voltage of the Hi-Speed
transmitter
000: Nominal
001: +3.7%
010: +7.4%
011: +11.0%
100: +14.7%
101: +18.3%
110: +22.0%
111: +25.7%
Reserved
7
rd
0b
Read only, 0.
Field Name
Bit
Access
Default
Description
VDatSrcEn
0rd/w
0
VDAT_SRC voltage enable
0b: Disabled
1b: Enabled
IDatSinkEn
1rd/w
0
IDAT_SINK current sink and VDAT_DET comparator
enable
0b: Disabled, VDAT_DET = 0.
1b: Enabled
ContactDetectEn
2rd/w
0
IDP_SRC Enable
0b: Disabled
1b: Enabled
HostChrgEn
3
rd/w
0
Enable Charging Host Port Mode.
0b: Portable Device
1b: Charging Host Port. When the charging host port
bit is set the connections of VDAT_SRC, IDAT_SINK,
IDP_SRC, and VDAT_DET are reversed between DP
and DM.



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