FDC37B78x Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR FEATURES 5 Volt Operation - 128 Bytes of CMOS RAM Lockable in PC98/99 and ACPI 1.0 Compliant 4x32 Byte Blocks Battery Back-up for Wake-Events - 12 and 24 Hour Time Format ISA Plug-and-Play Compatible Register Set - Binary and BCD Format 1 - 12 IRQ Options - 5A Standby Battery Current (max) - 15 Serial IRQ Options 2.88MB Super I/O Floppy Disk Controller - 16 Bit Address Qualification - Relocatable to 480 Different Addresses - Four DMA Options - Licensed CMOS 765B Floppy Disk - 12mA AT Bus Drivers Controller BIOS Buffer - Advanced Digital Data Separator 20 GPI/O Pins - SMSC s Proprietary 82077AA 32KHz Standby Clock Output Compatible Core Soft Power Management - Sophisticated Power Control Circuitry ACPI/PME Support (PCC) Including Multiple Powerdown SCI/SMI Support Modes for Reduced Power - Watchdog timer Consumption - Power Button Override Event - Supports Two Floppy Drives Directly - Either Edge Triggered Interrupts - Software Write Protect Intelligent Auto Power Management - FDC on Parallel Port - Shadowed Write-only Registers - Low Power CMOS Design - Programmable Wake-up Event Interface - Supports Vertical Recording Format 8042 Keyboard Controller - 16 Byte Data FIFO - 2K Program ROM - 100% IBM Compatibility - 256 Bytes Data RAM - Detects All Overrun and Underrun - Asynchronous Access to Two Data Conditions Registers and One Status Register - 24mA Drivers and Schmitt Trigger - Supports Interrupt and Polling Access Inputs - 8 Bit Timer/Counter Enhanced FDC Digital Data Separator - Port 92 Support - Low Cost Implementation - Fast Gate A20 and Hardware Keyboard - No Filter Components Required Reset - 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, Real Time Clock 250 Kbps Data Rates - Day of Month Alarm, Century Byte - Programmable Precompensation - MC146818 and DS1287 Compatible Modes - 256 Bytes of Battery Backed CMOS in Two Banks of 128 Bytes 1 Serial Ports - Enhanced Parallel Port (EPP) - Relocatable to 480 Different Addresses Compatible - Two High Speed NS16C550 Compatible - EPP 1.7 and EPP 1.9 (IEEE 1284 - UARTs with Send/Receive 16 Byte Compliant) FIFOs - High Speed Mode - Programmable Baud Rate Generator - Microsoft and Hewlett Packard - Modem Control Circuitry Including 230K - Extended Capabilities Port (ECP) and 460K Baud Compatible (IEEE 1284 Compliant) - IrDA 1.0, Consumer IR, HP-SIR, ASK- - Incorporates ChiProtect Circuitry for IR Support Protection Against Damage Due to - Ring Wake Filter Printer Power-On Multi-Mode Parallel Port with ChiProtect - 14 mA Output Drivers - Relocatable to 480 Different Addresses 128 Pin QFP package, lead-free RoHS - Standard Mode compliant package also available - IBM PC/XT, PC/AT, and PS/2 Compatible Bidirectional ParallelPort - Enhanced Mode Note 1: Please contact SMSC for the latest value. ORDERING INFORMATION Order Numbers: FDC37B787QFP for 128 pin QFP package FDC37B787-NS for 128 pin QFP lead-free RoHS compliant package 2