LPC47B27x 100 Pin Enhanced Super I/O Controller with LPC Interface - Four Open Drain Outputs Dedicated for Key- Highlights board/Mouse Interface 3.3 Volt Operation, 5 Volt Tolerant - Asynchronous Access to Two Data Registers LPC Interface and One Status Register Fan Control - Supports Interrupt and Polling Access - Fan Speed Control Outputs (2) - 8 Bit Counter Timer - Fan Tachometer Inputs (2) - Port 92 Support Programmable Wake-up Event Interface - Fast Gate A20 and KRESET Outputs PC98, PC99, and ACPI 1.0 Compliant Serial Ports Dual Game Port Interface - Two Full Function Serial Ports MPU-401 MIDI Support - High Speed NS16C550A Compatible UARTs General Purpose Input/Output Pins (37) with Send/Receive 16-Byte FIFOs ISA IRQ to Serial IRQ Conversion - Supports 230k and 460k Baud ISA Plug-and-Play Compatible Register Set - Programmable Baud Rate Generator Intelligent Auto Power Management - Modem Control Circuitry System Management Interrupt - 480 Address and 15 IRQ Options 2.88MB Super I/O Floppy Disk Controller Infrared Port - Licensed CMOS 765B Floppy Disk Controller - Multiprotocol Infrared Interface - Software and Register Compatible with - 32-Byte Data FIFO Microchips Proprietary 82077AA Compatible - IrDA 1.0 Compliant Core - Consumer IR - Supports Two Floppy Drives Directly - SHARP ASK IR - Configurable Open Drain/Push-Pull Output - 480 Address, Up to 15 IRQ and Three DMA Drivers Options - Supports Vertical Recording Format Multi-Mode Parallel Port with ChiProtect - 16-Byte Data FIFO , - Standard Mode IBM PC/XT PC/AT, and PS/2 - 100% IBM Compatibility Compatible Bidirectional Parallel Port - Detects All Overrun and Underrun Conditions - Enhanced Parallel Port (EPP) Compatible - - Sophisticated Power Control Circuitry (PCC) EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant) Including Multiple Powerdown Modes for - IEEE 1284 Compliant Enhanced Capabilities Reduced Power Consumption Port (ECP) - DMA Enable Logic - ChiProtect Circuitry for Protection - Data Rate and Drive Control Registers - 960 Address, Up to 15 IRQ and Three DMA - 480 Address, Up to 15 IRQ and Three DMA Options Options LPC Interface Floppy Disk Available on Parallel Port Pins - Multiplexed Command, Address and Data Enhanced Digital Data Separator Bus - 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 - Serial IRQ Interface Compatible with Serial- Kbps Data Rates ized IRQ Support for PCI Systems - Programmable Precompensation Modes - PME Interface Keyboard Controller 100 Pin QFP RoHS Compliant Package - 8042 Software Compatible - 8 Bit Microcomputer - 2k Bytes of Program ROM - 256 Bytes of Data RAM 2004-2017 Microchip Technology Inc. DS00002492A-page 1LPC47B27x TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors microchip.com. We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: