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INIC-1511 (Preliminary)
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INIC-1511
USB to PATA Bridge
Specification
Version 0.5
June 12, 2006
Initio Corporation
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INIC-1511 (Preliminary)
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Table of Contents
INIC-1511 (Preliminary)
www.DataSheet4U.com
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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INIC-1511 (Preliminary)
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1. Introduction:
The INIC-1511 provides an advanced solution to connect ATAPI or EIDE devices to
USB interface with integrated CPU and embedded ROM. To provide a high performance
and cost effective solution, the INIC-1511 integrates USB-PHY, Mass Storage Class
Bulk-Only USB function, ATA control block and microprocessor into a single ASIC.
The INIC-1511 provides the data transfer rate of up to 60 MB/sec; its ATA interface
supports ultra DMA modes up to 100 MB/sec.
1.1 Feature Summary
USB Mass Storage Class Bulk-Only specification-compliant (version 1.0)
Two Bulk endpoints(IN and OUT) and one Interrupt endpoint(IN)
T13 1410D ATA/ATAPI-6 Compliant(3.3 V with 5V tolerance)
Support DMA mode 0-2, and UDMA mode 2, 3, 4 and 5 (up to 100MB/s)
Integrated internal CPU with embedded ROM
Implement the NVRAM download mechanism
Low power CMOS with 3.3Volts
48-pin LQFP package
1.2 Firmware/Software Support
USB Mass Storage Class Bulk-Only Transport support
Provide software utilities for downloading the upgraded NVRAM
1.3 Devices Support
Hard disk drives
CD-RW devices
DVDs
Removable media devices.
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INIC-1511 (Preliminary)
2. USB to ATA Block Diagram:
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USB
PORT
USB
PHY
USB
Core
Data FIFO
Data Flow Control
Command/Status
Block
Scratch SRAM
(2k Bytes)
Control Registers
Block
ATA
DMA/
uDMA
Control
Block
uP 8032
ROM
(12K Byte)
I2C
Interface
Disk
NVRAM
(2K bit)
Figure 1: INIC-1511 Block Diagram
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