Part Number
|
UM8272A |
Manufacturer
|
UMC |
Description
|
Floppy Disk Controller |
Published
|
May 18, 2006 |
Detailed Description
|
(l)UMC
UM8272A / UM8272A'-4
: : : : : : : : : : : : : Floppy Disk Controller
Features
• IBM Compatible in Both Singl...
|
Datasheet
|
UM8272A
|
Overview
(l)UMC
UM8272A / UM8272A'-4
: : : : : : : : : : : : : Floppy Disk Controller
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 DMA or Non-DMA Mode
• Parallel Seek Operations on Up to Four Drives • Compatible with all intel and Most Other Mlcropro-
cessors • SIngle-Phase 8MHz/4MHz Clock for UM8272A/
UM8272A-4 respectively • Single + 5 Volt Power Supply (± 1COAl)
General Description
The UM8272A is an LSI Floppy DIsk Controller (FDC) Chip, which contains the circuitry and con...
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