FD1771-01 Datasheet | Western Digital

WESTERN DIGITAL COR PO RAT /0 N FD1771-01 Floppy Disk Formatter/Controller Features - SOFT SECTOR FORMAT PATIBILITY - AUTOMATIC TRACK SEEK WITH VERIFICATION - READ MODE Single/Multiple Sector Write with Automatic Sector Search or Entire Track Read Selectable 128 Byte or Variable Length Sector - WRITE MODE Single/Multiple Sector Write with Automatic Sector Search Entire Track Write for Diskette Formatting - PROGRAMMABLE CONTROLS Selectable Track-to-Track Stepping Time Selectable Head Settling and Head Engage Times Selectable Three Phase or Step and Direction and Head Positioning Motor Controls - SYSTEM PATIBILITY i Double Buffering of Data a-Bit Bi-Directional .... Bus for Data....