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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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USB3503 датащи(PDF) 28 Page - Microchip Technology |
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USB3503 датащи(HTML) 28 Page - Microchip Technology |
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28 / 73 page  USB3503 DS00001584B-page 28 2011-2015 Microchip Technology Inc. 5.3.26 REGISTER D0: DOWNSTREAM BATTERY CHARGING ENABLE - BC_EN Default = 0x00h 5.3.27 REGISTER E5H: PORT POWER STATUS - PRTPWR Default = 0x00h Bit Number Bit Name Description 7:0 BC_EN Battery Charging Enable: Enables the battery charging feature for the corresponding downstream port. ‘0’ = Downstream Battery Charging support is not enabled. ‘1’ = Downstream Battery charging support is enabled Bit 7= Reserved Bit 6= Reserved Bit 5= Reserved Bit 4= Reserved Bit 3= Port 3 Battery Charging Enable. Bit 2= Port 2 Battery Charging Enable. Bit 1= Port 1 Battery Charging Enable. Bit 0= Reserved Bit Number Bit Name Description 7:4 Reserved Reserved. 3:1 PRTPWR[3:1] Read Only. Optional status to SOC indicating that power to the downstream port was enabled by the USB Host for the specified port. Not required for an embedded application. This is a read-only status bit. Actual control over port power is implemented by the USB Host, OCS register and Downstream Battery Charging logic if enabled. See Section 8.1.2, "Special Behavior of PRTPWR Register," on page 48 for more information. 0 = USB Host has not enabled port to be powered or in downstream battery charging and corresponding OCS bit has been set. 1 = USB Host has enabled port to be powered 0 Reserved Reserved. |
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