FDC37C672
Enhanced Super I/O
Controller with Fast IR
Datasheet
Product Features
5 Volt Operation
PC98/99 and ACPI 1.0 Compliant
ISA Plug-and-Play Compatible Register Set
Intelligent Auto Power Management
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Shadowed Write-Only Registers for ACPI Compliance
Serial Ports
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Two Full Function Serial Ports
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High Speed NS16C550A Compatible UARTs with
Send/Receive 16-Byte FIFOs
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Supports 230k and 460k Baud Programmable Baud
Rate Generator Modem Control Circuitry
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480 Address and Eight IRQ Options
System Management Interrupt, Watchdog Timer
2.88MB Super I/O Floppy Disk Controller
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Licensed CMOS 765B Floppy Disk Controller
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Software and Register Compatible with SMSC's
Proprietary 82077AA Compatible Core
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Supports Two Floppy Drives Directly
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Configurable Open Drain/Push-Pull Output Drivers
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Supports Vertical Recording Format
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16-Byte Data FIFO
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100% IBM Compatibility
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Detects All Overrun and Underrun Conditions
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Sophisticated Power Control Circuitry (PCC)
Including Multiple Powerdown Modes for Reduced
Power Consumption
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DMA Enable Logic
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Data Rate and Drive Control Registers
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480 Address, Up to Eight IRQ and Three DMA
Options
Infrared Port
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Multiprotocol Infrared Interface
128-Byte Data FIFO
IrDA 1.1 Compliant
TEMIC/HP Module Support
Consumer IR
SHARP ASK IR
480 Address, Up to Eight IRQ and Three DMA
Options
Multi-Mode Parallel Port with ChiProtect
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Standard Mode IBM PC/XT, PC/AT, and PS/2
Compatible Bidirectional Parallel Port
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Enhanced Parallel Port (EPP) Compatible - EPP 1.7
and EPP 1.9 (IEEE 1284 Compliant)
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IEEE 1284 Compliant Enhanced Capabilities Port
(ECP)
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ChiProtect Circuitry for Protection Against Damage
Due to Printer Power-On
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480 Address, Up to Eight IRQ and Three DMA
Options
Floppy Disk Available on Parallel Port Pins
Enhanced Digital Data Separator
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2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data
Rates
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Programmable Precompensation Modes
ISA Host Interface
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16-Bit Address Qualification
8-Bit Data Bus
IOCHRDY for ECP and Fast IR
Three 8-Bit DMA Channels
Eight Direct Parallel IRQs
Serial IRQ Option Compatible with
Serialized IRQ
Support for PCI Systems
Keyboard Controller
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8042 Software Compatible
8 Bit Microcomputer
2k Bytes of Program ROM
256 Bytes of Data RAM
Four Open Drain Outputs Dedicated for
Keyboard/Mouse Interface
Asynchronous Access to Two Data Registers and
One Status Register
Supports Interrupt and Polling Access
8-Bit Counter Timer
Port 92 Support
8042 P12 and P16 Outputs
100 Pin QFP and TQFP Packages
SMSC FDC37C672
Page 1
Rev. 10-29-03
DATASHEET
SMSC [ SMSC CORPORATION ]
