CY7C68310 CYPRESS [Cypress Semiconductor], CY7C68310 Datasheet

CY7C68310

Manufacturer Part Number

CY7C68310

Description

Manufacturer

CYPRESS [Cypress Semiconductor]

Datasheet

1.CY7C68310.pdf (34 pages)

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Cypress Semiconductor Corporation

Document 38-08030 Rev. *H

1.0

• Fixed-function mass storage device–requires no firmware

• USB Mass Storage Class Bulk-Only specification-compliant

• USB 2.0-certified (TID# 40001426)

• Two power modes of operation–self-powered and USB bus-

• Compact 80-pin TQFP package with a Lead-Free option

• ATA/ATAPI-6 specification-compliant–provides support for

• 5V tolerant inputs, 3.3V output drive

• Flexible USB descriptor and configuration retrieval sources

• 2-Kbyte SRAM data buffer for ATA/ATAPI data transfers

• ATA interface supports ATA PIO modes 0–4, UDMA modes

• Automatic detection of either Master or Slave ATA/ATAPI

• Mode Page 5 Support–increased support for formatting

• ATA Interrupt support for ATAPI devices–offers more robust

• System event notification via Vendor-specific ATA

code

(version 1.0)

powered

mass storage devices larger than 137GB

0–4 (multiword DMA not supported). ATA interface

operation mode is automatically selected during device

initialization or manually programmed with I

configuration data

devices

removable media devices

ATA support across OS platforms

command

•

tion

implemented on ATAPI or ATA device

opment

ation, Suspend/Resume, Bus/Self-powered)

Integrated USB transceiver

High-speed (480-Mbit) and full-speed (12-Mbit) support

USB Suspend/Resume, Remote Wakeup support

Low power consumption allows for bus-powered opera-

VBUS-powered CF support

True USB portable HDD support

ATA interface using vendor-specific ATA command (FBh)

Default on-chip ROM contents for manufacturing/devel-

Input pin for media cartridge detection or ejection request

USB bus state indications (Reset, FS/HS mode of oper-

C-compatible serial ROM interface

Features

ISD-300LP™ Low-Power USB 2.0 to ATA/ATAPI Bridge IC

•

C-compatible

3901 North First Street

1.1

• Three General Purpose I/O (GPIO) pins

• Multiple LUNs supported within a single ATAPI device

• ATA translation provides seamless ATA support with

• Additional ATA command support provided by vendor-

• Provisions to share ATA bus with other hosts (e.g.

• Manufacturing interconnect test support provided with

• Utilizes inexpensive 30-Mhz crystal for clock source.

standard MSC drivers

specific ATACBs (ATA command blocks utilizing the MSC

Command Block Wrapper)

USB/1394 dual device)

vendor-specific USB commands:

•

Read/Write access to relevant ASIC pins

Manufacturing Interconnect Test Tools

Functional Block Diagram

GPIO Pins (3)

DRVPWRVLD

SCL

SDA

•

DISKRDY

nEJECT

SYSIRQ

Figure 1-1. Block Diagram

San Jose

EEPROM

Interface

Control

ROM

ATA Interface Logic

Control Logic

USB HS/FS

CA 95134

Control Logic

CY7C68310

64 Byte

RAM

Revised June 28, 2004

2kByte FIFO

•

CY7C68310

VBUSPWRVLD

408-943-2600

USB

Xcvr

OSC

2.0

VBUSPWRD

LOWPWR

nPWR500

nRESET

ATAEN

VBUS

D+

D-

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