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FDC37B72X_07 Datasheet, PDF (1/238 Pages) SMSC Corporation – 128 Pin Enhanced Super I/O Controller with ACPI Support | |||
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FDC37B72x
128 Pin Enhanced Super I/O Controller with
ACPI Support
FEATURES
⢠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
- 12 IRQ Options
- 15 Serial IRQ Options
- 16 Bit Address Qualification
- Four DMA Options
- 12mA AT Bus Drivers
⢠BIOS Buffer
⢠20 GPI/O Pins
⢠32 kHz Standby Clock Output
⢠Soft Power Management
⢠ACPI/PME Support
⢠SCI/SMI Support
- Watchdog timer
- Power Button Override Event
- Either Edge Triggered Interrupts
⢠Intelligent Auto Power Management
- Shadowed Write-only Registers
- Programmable Wake-up Event
Interface
⢠8042 Keyboard Controller
- 2K Program ROM
- 256 Bytes Data RAM
- Asynchronous Access to Two Data
Registers and One Status Register
- Supports Interrupt and Polling
Access
- 8 Bit Timer/Counter
- Port 92 Support
- Fast Gate A20 and Hardware Keyboard
Reset
⢠2.88MB Super I/O Floppy Disk Controller
- 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® Compatibility
- Detects All Overrun and Underrun
Conditions
- 24mA Drivers and Schmitt Trigger Inputs
⢠Enhanced FDC Digital Data Separator
- Low Cost Implementation
- No Filter Components Required
- 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps,
250 Kbps Data Rates
- Programmable Precompensation Modes
⢠Serial Ports
- Relocatable to 480 Different Addresses
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