97CFDC

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 -