GENERAL DESCRIPTION
The SMSC FDC37C669 PC 95 Compatible Super I/O Floppy Disk Controller with Infrared Support utilizes SMSCs proven SuperCell technology for increased product reliability and functionality. The
FDC37C669 is PC95 compliant and is optimized for motherboard applications. The FDC37C669 supports both 1 Mbps and 2 Mbps data rates and vertical vertical recording operation at 1 Mbps
Data Rate.

FEATURES
• 5 Volt Operation
• Intelligent Auto Power Management
• 16 Bit Address Qualification (Optional)
• 2.88MB Super I/O 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
   - Detects All Overrun and Underrun Conditions
   - Sophisticated Power Control Circuitry (PCC) Including Multiple Powerdown Modes for Reduced Power Consumption
   - DMA Enable Logic
   - Data Rate and Drive Control Registers
   - Swap Drives A and B
   - Non-Burst Mode DMA option
   - 48 Base I/O Address, Seven IRQ and Three DMA Options
• Floppy Disk Available on Parallel Port Pins
• Enhanced Digital Data Separator
   - 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data Rates
   - Programmable Precompensation Modes
• Serial Ports
   - Two High Speed NS16C550 Compatible UARTs with Send/Receive 16 Byte FIFOs
   - Supports 230k and 460k Baud
   - Programmable Baud Rate Generator
   - Modem Control Circuitry
   - Infrared - IrDA (HPSIR) and Amplitude Shift Keyed IR (ASKIR)
   - Alternate IR Pins (Optional)
   - 96 Base I/O Address and Eight IRQ Options
• Multi-Mode Parallel Port with ChiProtect
   - Standard Mode
   - IBM PC/XT, PC/AT, and PS/2 Compatible Bidirectional Parallel Port
   - Enhanced Parallel Port (EPP) Compatible
   - EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant)
   - Enhanced Capabilities Port (ECP) Compatible (IEEE 1284 Compliant)
   - Incorporates ChiProtect Circuitry for Protection Against Damage Due to Printer Power-On
   - 192 Base I/O Address, Seven IRQ and Three DMA Options
• ISA Host Interface
• IDE Interface (Optional)
   - On-Chip Decode and Select Logic Compatible with IBM PC/XT and PC/AT Embedded Hard Disk Drives
   - 48 Base I/O Address and Seven IRQ Options
• Game Port Select Logic
   - 48 Base I/O Addresses
• General Purpose Address Decoder
   - 16 Byte Block decode
   - 48 Base I/O Address Options
• 100 Pin QFP and TQFP Packages; Lead-Free RoHS Compliant Packages also available