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USB2532 Datasheet(PDF) 20 Page - Microchip Technology |
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USB2532 Datasheet(HTML) 20 Page - Microchip Technology |
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20 / 50 page  USB 2.0 Hi-Speed 2-Port Hub Controller Datasheet DS00001701A-page 20 2014 Microchip Technology Inc. Chapter 4 Power Connections 4.1 Integrated Power Regulators The integrated 3.3V and 1.2V power regulators allow the device to be supplied via a single 3.3V external power supply. The regulators are controlled by RESET_N. When RESET_N is brought high, the 3.3V regulator will turn on. When RESET_N is brought low the 3.3V regulator will turn off. 4.2 Power Connection Diagrams Figure 4.1 illustrates the power connections for the USB2532. Figure 4.1 Power Connections 3.3V Regulator (Bypass) (IN) (OUT) VDDA33 +3.3V Supply 1.2V Core Logic 3.3V I/O USB2532 Single Supply Application 1.2V Regulator (IN) (OUT) 3.3V Internal Logic VDDA33 VDDA33 VDDCR12 1.0uF VSS VDD33 (2x) |
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