FDC37C78 Datasheet, PDF (1/82 Pages) SMSC Corporation – Floppy Disk Controller

FDC37C78
Floppy Disk Controller
FEATURES
• 3.3/5 Volt Operation
• Intelligent Auto Power Management
• 2.88MB FDC37C78 Floppy Disk Controller
- Licensed CMOS 765B Floppy Disk
Controller
- Software and Register Compatible with
SMSC's Proprietary 82077AA
Compatible Core
- Supports Two Floppy Drives Directly
- Supports Vertical Recording Format
- 16 Byte Data FIFO
- 100% IBM Compatibility
- DMA Enable Logic
- Data Rate and Drive Control Registers
- Swap Drives A and B
- Non-Burst Mode DMA Option
- Detects All Overrun and Underrun
Conditions
- Sophisticated Power Control Circuitry
(PCC) Including Multiple Powerdown
Modes for Reduced Power
Consumption
• Enhanced Digital Data Separator
- 2 Mbps (Only Available When V_CC = 5V),
1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps
Data Rates
- Programmable Precompensation Modes
• 48 pin TQFP Package