Datasheet Details
| Part number | UM83C001 |
|---|---|
| Manufacturer | Unicorn Microelectronics |
| File Size | 836.26 KB |
| Description | Hard Disk Cont{oller |
| Download | UM83C001 Download (PDF) |
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| Part number | UM83C001 |
|---|---|
| Manufacturer | Unicorn Microelectronics |
| File Size | 836.26 KB |
| Description | Hard Disk Cont{oller |
| Download | UM83C001 Download (PDF) |
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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 (buffered seek Winchesters) ST-412HP (10 mbos buttered seek Winchesters) ESDI STEP/SERIAL MODES (10 mbos Winch~ters) SA-450 (5" and 3" floppies) SAS00/850 (8" floppies) QIC-36 (streaming tape drives) Sector Options SOFT-SECTORING (floppy and Winchester) HARD-SECTORING (floppy and Winchester) ESDL ADDRESS MARKS (ESDI drives) ESDI BYTE CLOCKS (ESDI drives) Pin Configuration Block Diagram 07 06 05 04 03 02 01 DO SEfHeAO SET DRIVE BUSY RESET ACKNOWLEDGE STOP AO CHIP WRITE CHIP SELECT AAMCWCK GROUND 5VOLTS XTAL PLO/READ CLOCK FASTER SLOWER READ DATA DELAYED REAODATA READ GATE WRITE CLOCK WAITE DATA WAITE GATE ENABLE ADDRESS MARK OIAECTION/OOMMANO STEP/TRANSFER REQUEST TRACK O/TRANSFER ACK/UTH SEEK COMPLETE/3TATUS/l.TH SECTOA/ADOREss MARK FOUND INDEX SELECTED/STATUS 1 READY STATUS 0 ......
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| Part Number | Description |
|---|---|
| UM83C002 | RAM Buffer Controller |
| UM8398 | Floppy Disk Controller |