USB97CFDC datasheet(1/20 Pages) SMSC

部件名	USB97CFDC

功能描述	USB FLOPPY DISK CONTROLLER

PDF	20 Pages

Scroll/Zoom	100%

制造商	SMSC [SMSC Corporation]

网页	http://www.smsc.com

标志

1 / 20 page

SMSC DS – USB97CFDC

Rev. 12/15/2000

USB97CFDC

USB Floppy Disk Controller

FEATURES

3.3 Volt, Low Power Operation

Complete USB Specification 1.1 Compatibility

- Includes USB Transceiver

- Based on an Enhanced Version of SMSC’s

Industry Proven USB97C100 USB Controller

Complete System Solution Including USB Mass

Storage Class Compliant Win98/2000 Driver and

Firmware

- Supports 640K, 720K, 1.44M, 1.2M Windows 98

J, and 1.2M NEC DOS 6.x Formats

- Supports Both the UFI and SFF8070i Command

Sets

- Supports USB Mass Storage Compliant

Bootable Floppy BIOS

- 4ms Seek Times

- USB 1.1 Compliance, Including Low Power

Device Class SUSPEND Mode Operation and

Power Control of Disk Drive

- Disk Drive Feedback of Readiness Upon Power

Re-Application Option

- Option for Ultra High Performance Using

Additional Caching SRAM

- Support for Floppy Drive Power Control

Contains SMSC’s Industry Proven Floppy Disk

Controller

- Licensed CMOS 765B Floppy Disk Controller

- Supports Single Normal or Three Mode Floppy

Drives

- Supports Vertical Recording Format and High

Capacity Drives in User Written Firmware

Applications

- Detects All Overrun and Underrun Conditions

- Sophisticated Power Control Circuitry (PCC)

Including Multiple Powerdown Modes for

Reduced Power Consumption

Enhanced Digital Data Separator

- 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data

Rates

- Programmable Precompensation Modes

Intelligent Auto Power Management

- <300µA SUSPEND Current

- <75mA Operating Current

External Program Memory Interface

- 32K Byte Code Space (Supplied Firmware

Requires 16KB Memory)

- Flash, SRAM, or EPROM Memory

4KB Internal Buffer SRAM for High Performance

Operation

Optional External Cache Memory

- Up to 16K x 8 External SRAM may be Used for

Custom Tape/ Drive Applications

Integrated 14.318 MHz Crystal Driver Circuit

100 pin TQFP package (12.0 x 12.0 mm footprint)

- 25% smaller body size than other 100 pin TQFP

packages

ORDERING INFORMATION

Order Number: USB97CFDC-MN

100 Pin TQFP Package

类似零件编号 - USB97CFDC

制造商	部件名	数据表	功能描述
SMSC Corporation	USB97CFDC2-01	167Kb / 24P	USB Floppy Disk Controller
SMSC Corporation	USB97CFDC2-MV-01X	167Kb / 24P	USB Floppy Disk Controller

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