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INIC-1511

USB to PATA Bridge

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Table of Contents

INIC-1511 (Preliminary)

1. Introduction................................................................................................................................... 4

1.1 Feature Summary…………………………………………………………………………………...4

1.2 Firmware/Software Support……………………………………………………………………..….4

1.3 Devices Support…………………………………………………………………………………….4

2. USB to ATA Block Diagram......................................................................................................... 5

3. Pin Signal Description: (48-pin package) ...................................................................................... 6

3.1 USB Interface……………………………………………………………………………………….6

3.2 Serial Flash Interface……………………………………………………………………………….6

3.3 ATA Interface………………….……………………………………………………………………6

3.4 System Interface…………………………………………………………………………………….7

3.5 GPIO Interface……………………………………………………………………………………...7

3.6 Power Regulator pins……………………………………………………………………………….7

3.7 Power/GND…………………………………………………………………………………………7

3.8 48 Pin Diagram………………………………………………………………………………………8

4. NVRAM Program/Download procedure…………………………………………………..…........................9

4.1 CPU Write NVRAM ……………………………………………………………………………….9

4.2 CPU Read NVRAM ………………………………………………………………………………..9

4.3 CPU Poll NVRAM………………………………………………………………………………….9

4.4 Host Read/Write 8051 data space from USB……………………………………………………….9

4.5 NVRAM Download from USB……………………………………………………………………10

5. Register Address Mapping……………………………………………….. ……………………......................11

6. Register Descriptions………………………………………….. ………………………………………………13

7. Electrical Information……………………………………………………………………………......................24

8. Packaging Specification………………………………………………………………………...26

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