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USB2514 데이터시트(PDF) 16 Page - Microchip Technology |
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USB2514 데이터시트(HTML) 16 Page - Microchip Technology |
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16 / 63 page ![]() USB 2.0 Hi-Speed Hub Controller Datasheet Revision 2.2 (02-17-12) 16 SMSC USB251xB/xBi DATASHEET VBUS_DET Upstream VBUS Power Detection 27 VDD33 3.3 V Power 5 VDD33 10 VDD33 15 VDD33 23 VDD33 29 VDD33 36 XTALIN Crystal Input 33 XTALOUT Crystal Output 32 Table 3.2 USB251xB/xBi Pin List (Alphabetical) SYMBOL NAME PIN NUMBERS 36 QFN BC_EN1 Battery Charging Strap Option 12 BC_EN2 16 BC_EN3 -18 BC_EN4 -20 CFG_SEL0 Configuration Programming Selection 24 CFG_SEL1 25 CLKIN External Clock Input 33 CRFILT Core Regulator Filter Capacitor 14 Ground Pad (VSS) Exposed Pad Tied to Ground (VSS) ePad HS_IND Hi-Speed Upstream Port Indicator 25 LOCAL_PWR Local Power Detection 28 Table 3.1 USB251xB/xBi Pin List (Alphabetical) (continued) SYMBOL NAME PIN NUMBERS 36 QFN |
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