UM83C001 Datasheet (Unicorn Microelectronics)

UM83C001, Hard Disk Cont{oller

The UMC Hard Disk Controller UM83C001, is a CMOS LSI device which performs a majority of the functions for controlling floppy drives, Winchester drives and QIC-36 streaming tape drives.

The following is a brief list of its capabilities: Interface Options ST-506 (non-buffered seek Winchesters) ST-412

UM83C001 Features

* Serializer-deserializer

* Programmable track format

* External drive select and head select registers for expandability

* Internal phase detector for phase lock oscillator

* Interface options: ST-506, ST-412, ST-412HP, ESDI, FLOPPY, and QIC-36 TAPE