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FDC37B78X Datasheet(PDF) 1 Page - SMSC Corporation |
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FDC37B78X Datasheet(HTML) 1 Page - SMSC Corporation |
1 / 258 page FDC37B78x ADVANCE INFORMATON Enhanced 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 - 10 µA Standby Battery Current (typ)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 |
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