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FDC37B78X_07 Datasheet, PDF (1/249 Pages) SMSC Corporation – Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR | |||
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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
- 12 IRQ Options
- 15 Serial IRQ Options
- 16 Bit Address Qualification
- Four DMA Options
- 12mA AT Bus Drivers
 BIOS Buffer
 20 GPI/O Pins
 32KHz 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
 Real Time Clock
- Day of Month Alarm, Century Byte
- MC146818 and DS1287 Compatible
- 256 Bytes of Battery Backed CMOS in
Two Banks of 128 Bytes
- 128 Bytes of CMOS RAM Lockable in
4x32 Byte Blocks
- 12 and 24 Hour Time Format
- Binary and BCD Format
- 5μA Standby Battery Current (max)1
 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
1
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