82077AA Datasheet (Intel Corporation) - CHMOS SINGLE-CHIP FLOPPY DISK CONTROLLER

82077AA, CHMOS SINGLE-CHIP FLOPPY DISK CONTROLLER

5 1 Data Transfer Commands 5 1 1 Read Data 5 1 2 Read Deleted Data 5 1 3 Read Track 5 1 4 Write Data 5 1 5 Write Deleted Data 5 1 6 Verify 5 1 7 Format Track 5 1 7 1 Format Fields 5 1 8 Scan Commands PAGE 12 12 13 13 14 14 14 15 15 15 15 16 16 16 16 17 17 17 17 24 24 25 26 26 26 26 27 28 29 12 1

www.DataSheet4U.com 82077AA CHMOS SINGLE-CHIP FLOPPY DISK CONTROLLER Y Single-Chip Floppy Disk Solution 100% PC AT Compatible 100% PS 2 Compatible 100% PS 2 Model 30 Compatible Integrated Drive and Data Bus Buffers Integrated Analog Data Separator 250 Kbits sec 300 Kbits sec 500 Kbits sec 1 Mbits sec High Speed Processor Interface Perpendicular Recording Support Y Y Integrated Tape Drive Support 12 mA Host Interface Drivers 40 mA Disk Drivers Four Fully Decoded Drive Select and Motor Signals

82077AA Features

* listed in this data sheet It supports both tape drives and 4 Mb floppy drives The 82077AA supports 4 Mb floppy drives and is capable of operation at all data rates through 1 Mbps The 82077AA-5 supports 500 300 250 Kbps data rates for high and low density floppy drives The 82077AA is fabricated with