UM8272A-4 - Floppy Disk Controller
The UM8272A is an LSI Floppy DIsk Controller (FDC) Chip, which contains the circuitry and control functions for interfacing a processor to 4 Floppy Disk Drives, It is capable of supporting either IBM 3740 single density format (F rvi), or IBM System 34 Double Density fo rmat (MFM) including double
UM8272A-4 Features
* IBM Compatible in Both Single and Double Density Recording Formats
* Programmable Data Record Lengths: 128, 256, 512, or 1024 Bytes/Sector
* Multi-Sector and Multi-Track Transfer Capability
* Drives Up to 4 Floppy or Mini-Floppy Disks
* Data Transfers in DM
