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数据搜索系统，热门电子元器件搜索 |
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USB334X 数据表(PDF) 73 Page - Microchip Technology |
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USB334X 数据表(HTML) 73 Page - Microchip Technology |
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73 / 92 page  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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