FDC37B72X SMSC Corporation, FDC37B72X Datasheet
FDC37B72X
Manufacturer Part Number
FDC37B72X
Description
128 Pin Enhanced Super I/O Controller
Manufacturer
SMSC Corporation
Datasheet
1.FDC37B72X.pdf
(238 pages)
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5 Volt Operation
PC98/99 and ACPI 1.0 Compliant
Battery Back-up for Wake-Events
ISA Host Interface
ISA Plug-and-Play Compatible Register
Set
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BIOS Buffer
20 GPI/O Pins
32 kHz Standby Clock Output
Soft Power Management
ACPI/PME Support
SCI/SMI Support
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Intelligent Auto Power Management
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8042 Keyboard Controller
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128 Pin Enhanced Super I/O Controller with
12 IRQ Options
15 Serial IRQ Options
16 Bit Address Qualification
Four DMA Options
12mA AT Bus Drivers
Watchdog timer
Power Button Override Event
Either Edge Triggered Interrupts
Shadowed Write-only Registers
Programmable Wake-up Event
Interface
2K Program ROM
256 Bytes Data RAM
Asynchronous Access to Two Data
Registers and One Status Register
Access
8 Bit Timer/Counter
Supports Interrupt and Polling
ACPI Support
FEATURES
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2.88MB Super I/O Floppy Disk Controller
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Enhanced FDC Digital Data Separator
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Serial Ports
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Port 92 Support
Fast Gate A20 and Hardware Keyboard
Reset
Relocatable to 480 Different Addresses
Licensed CMOS 765B Floppy Disk
Controller
Advanced Digital Data Separator
SMSC's Proprietary 82077AA
Compatible Core
Sophisticated Power Control Circuitry
(PCC) Including Multiple Powerdown
Modes for Reduced Power Consumption
Supports Two Floppy Drives Directly
Software Write Protect
FDC on Parallel Port
Low Power CMOS Design
Supports Vertical Recording Format
16 Byte Data FIFO
100% IBM
Detects All Overrun and Underrun
Conditions
24mA Drivers and Schmitt Trigger Inputs
Low Cost Implementation
No Filter Components Required
2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps,
250 Kbps Data Rates
Programmable Precompensation Modes
Relocatable to 480 Different Addresses
®
Compatibility
FDC37B72x
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