
SMSC -> Microchip
GENERAL DESCRIPTION
The SMSC FDC37C78 Floppy Disk Controller utilizes SMSCs proven SuperCell technology for increased product reliability and functionality. The FDC37C78 optimized for motherboard applications. The FDC37C78 supports both 1 Mbps and 2 Mbps data rates and vertical vertical recording operation at 1 Mbps Data Rate.
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 SMSCs 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 VCC = 5V), 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data Rates
- Programmable Precompensation Modes
• 48 pin TQFP Package