FDC37B78x
Super I/O Controller with ACPI Support,
Real Time Clock and Consumer IR
FEATURES
5 Volt Operation
PC98/99 and ACPI 1.0 Compliant
Battery Back-up for Wake-Events
ISA Plug-and-Play Compatible Register Set
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12 IRQ Options
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15 Serial IRQ Options
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16 Bit Address Qualification
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Four DMA Options
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12mA AT Bus Drivers
BIOS Buffer
20 GPI/O Pins
32KHz Standby Clock Output
Soft Power Management
ACPI/PME Support
SCI/SMI Support
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Watchdog timer
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Power Button Override Event
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Either Edge Triggered Interrupts
Intelligent Auto Power Management
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Shadowed Write-only Registers
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Programmable Wake-up Event Interface
8042 Keyboard Controller
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2K Program ROM
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256 Bytes Data RAM
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Asynchronous Access to Two Data
Registers and One Status Register
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Supports Interrupt and Polling Access
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8 Bit Timer/Counter
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Port 92 Support
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Fast Gate A20 and Hardware Keyboard
Reset
Real Time Clock
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Day of Month Alarm, Century Byte
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MC146818 and DS1287 Compatible
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256 Bytes of Battery Backed CMOS in
Two Banks of 128 Bytes
128 Bytes of CMOS RAM Lockable in
4x32 Byte Blocks
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12 and 24 Hour Time Format
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Binary and BCD Format
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5μA Standby Battery Current (max)
1
2.88MB Super I/O Floppy Disk Controller
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Relocatable to 480 Different Addresses
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Licensed CMOS 765B Floppy Disk
Controller
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Advanced Digital Data Separator
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SMSC's Proprietary 82077AA
Compatible Core
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Sophisticated Power Control Circuitry
(PCC) Including Multiple Powerdown
Modes for Reduced Power
Consumption
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Supports Two Floppy Drives Directly
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Software Write Protect
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FDC on Parallel Port
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Low Power CMOS Design
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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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24mA Drivers and Schmitt Trigger
Inputs
Enhanced FDC Digital Data Separator
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Low Cost Implementation
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No Filter Components Required
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2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps,
250 Kbps Data Rates
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Programmable Precompensation
Modes
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1
SMSC [ SMSC CORPORATION ]
