37C672 Datasheet, PDF (1/173 Pages) SMSC Corporation – ENHANCED SUPER I/O CONTROLLER WITH FAST IR

Product Features
5 Volt Operation
PC98/99 and ACPI 1.0 Compliant
ISA Plug-and-Play Compatible Register Set
Intelligent Auto Power Management
− Shadowed Write-Only Registers for ACPI Compliance
System Management Interrupt, Watchdog Timer
2.88MB Super I/O 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
− Configurable Open Drain/Push-Pull Output Drivers
− 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
− 480 Address, Up to Eight 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
Keyboard Controller
− 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
FDC37C672
Enhanced Super I/O
Controller with Fast IR
Datasheet
Serial Ports
− Two Full Function Serial Ports
− High Speed NS16C550A Compatible UARTs with
Send/Receive 16-Byte FIFOs
− Supports 230k and 460k Baud Programmable Baud
Rate Generator Modem Control Circuitry
− 480 Address and Eight IRQ Options
Infrared Port
− 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
− 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)
− IEEE 1284 Compliant Enhanced Capabilities Port
(ECP)
− ChiProtect Circuitry for Protection Against Damage
Due to Printer Power-On
− 480 Address, Up to Eight IRQ and Three DMA
Options
ISA Host Interface
− 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
100 Pin QFP and TQFP Packages
SMSC FDC37C672
Page 1
DATASHEET
Rev. 10-29-03