FDC37C78

FDC37C78 Floppy Disk Controller FEATURES 3.3/5 Volt Operation Intelligent Auto Power Management 2.88MB FDC37C78 Floppy Disk Controller Licensed CMOS 765B Floppy Disk Controller Software and Register Compatible with SMSC's Proprietary 82077AA Compatible Core Supports Two Floppy Drives Directly Supports Vertical Recording Format 16 Byte Data FIFO 100% IBM Compatibility DMA Enable Logic Data Rate and Drive Control Registers Swap Drives A and B Non-Burst Mode DMA Option Detects All Overrun and Underrun Conditions Sophisticated Power Control Circuitry (PCC) Including Multiple Powerdown Modes for Reduced Power Consumption Enhanced Digital Data Separator - 2 Mbps (Only Available When VCC = 5V), 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data Rates - Programmable Precompensation Modes 48 pin TQFP Package - TABLE OF CONTENTS FEATURES...............................................................................................................................................1 GENERAL DESCRIPTION .......................................................................................................................3 PIN CONFIGURATION.............................................................................................................................4 DESCRIPTION OF PIN FUNCTIONS ......................................................................................................6 FUNCTIONAL DESCRIPTION .........................................................................