Description
The UM8398 is a VLSI Floppy Disk Controller (FDC) chip, which contains the circuitry and c9ntrol functions for interfacing a processor with up to 2 floppy disk drives.
Features
- IBM PC XT/AT drive system compatible.
- Supports 2 drives (MS-DOS support).
- 1.2M/360K/720K format selectable.
- IBM PC drive system address decoder.
- Only 3 components for the drive.
- Internal write precompensation circuit; precompensation values: 250-125 ns.
- Internal data separator circuit.
- Supports to control 8", 5%", 3'h" drives
General.
UM8398 Datasheet
