FDC37B727-NS Microchip

FDC37B72x 128 Pin Enhanced Super I/O Controller with ACPI Support FEATURES - Port 92 Support 5 Volt Operation - Fast Gate A20 and Hardware Keyboard PC98/99 and ACPI 1.0 Compliant Reset Battery Back-up for Wake-Events 2.88MB Super I/O Floppy Disk Controller ISA Host Interface - Relocatable to 480 Different Addresses ISA Plug-and-Play Compatible Register - Licensed CMOS 765B Floppy Disk Set Controller - 12 IRQ Options - Advanced Digital Data Separator - 15 Serial IRQ Options - SMSC s Proprietary 82077AA - 16 Bit Address Qualification Compatible Core - Four DMA Options - Sophisticated Power Control Circuitry - 12mA AT Bus Drivers (PCC) Including Multiple Powerdown BIOS Buffer Modes for Reduced Power Consumption 20 GPI/O Pins - Supports Two Floppy Drives Directly 32 kHz Standby Clock Output - Software Write Protect Soft Power Management - FDC on Parallel Port ACPI/PME Support - Low Power CMOS Design SCI/SMI Support - Supports Vertical Recording Format - Watchdog timer - 16 Byte Data FIFO - Power Button Override Event - 100% IBM Compatibility - Either Edge Triggered Interrupts - Detects All Overrun and Underrun Intelligent Auto Power Management Conditions - Shadowed Write-only Registers - 24mA Drivers and Schmitt Trigger Inputs - Programmable Wake-up Event Enhanced FDC Digital Data Separator Interface - Low Cost Implementation 8042 Keyboard Controller - No Filter Components Required - 2K Program ROM - 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, - 256 Bytes Data RAM 250 Kbps Data Rates - Asynchronous Access to Two Data - Programmable Precompensation Modes Registers and One Status Register Serial Ports - Supports Interrupt and Polling - Relocatable to 480 Different Addresses Access - 8 Bit Timer/Counter - Two High Speed NS16C550A Multi-Mode Parallel Port with ChiProtect Compatible UARTs with - Relocatable to 480 Different Addresses Send/Receive 16 Byte FIFOs - Standard Mode - Programmable Baud Rate - IBM PC/XT , PC/AT , and PS/2 Generator Compatible Bidirectional ParallelPort - Modem Control Circuitry Including - Enhanced Mode 230K and 460K Baud - Enhanced Parallel Port (EPP) - IrDA 1.0, HP-SIR, ASK-IR Support Compatible EPP 1.7 and EPP 1.9 (IEEE - Ring Wake Filter 1284 Compliant) - High Speed Mode - Microsoft and Hewlett Packard Extended Capabilities Port (ECP) Compatible (IEEE 1284 Compliant) - Incorporates ChiProtect Circuitry for Protection Against Damage Due to Printer Power-On - 14 mA Output Drivers 128 Pin QFP Package 2