UPD72012 Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD72012

HUB CONTROLLER FOR UNIVERSAL SERIAL BUS

NEC => Renesas Technology 

µPD72012

CONTENTS

1. PIN FUNCTIONS ...................................................................................................................................................... 7

1.1 List of Pin Functions ......................................................................................................................................... 7

1.2 Tables by Pin Function ................................................................................................................................... 10

1.3 Equivalent Circuits of Pins.............................................................................................................................. 11

2. DESCRIPTORS ...................................................................................................................................................... 12

2.1 Standard Device Descriptor............................................................................................................................ 12

2.2 Standard Configuration Descriptor ................................................................................................................. 14

2.3 Standard Interface Descriptor......................................................................................................................... 16

2.4 Standard Endpoint Descriptor 1 ..................................................................................................................... 17

2.5 HUB Class Descriptor..................................................................................................................................... 17

2.6 Standard String Descriptor 0 .......................................................................................................................... 21

2.7 Standard String Descriptors 1 Through 5 ....................................................................................................... 21

3. ELECTRICAL SPECIFICATIONS .......................................................................................................................... 22

4. PACKAGE DRAWINGS ......................................................................................................................................... 32

5. RECOMMENDED SOLDERING CONDITIONS ..................................................................................................... 34

6

Data Sheet S13918EJ3V0DS

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