LPC47M112 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 ACPI 1.0 Compliant - Supports Interrupt and Polling Access Fan Control - 8 Bit Counter Timer - Fan Speed Control Outputs - Port 92 Support - Fan Tachometer Inputs - Fast Gate A20 and KRESET Outputs Programmable Wake-up Event Interface Serial Ports PC98, PC99 Compliant - Two Full Function Serial Ports Dual Game Port Interface - High Speed NS16C550 Compatible UARTs MPU-401 MIDI Support with Send/Receive 16-Byte FIFOs General Purpose Input/Output Pins - 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 - Multi-protocol Infrared Interface - Software and Register Compatible with - IrDA 1.0 Compliant Microchip s Proprietary 82077AA Compatible - SHARP ASK IR Core - 480 Addresses, Up to 15 IRQ - Supports Two Floppy Drives Directly Multi-Mode Parallel Port with ChiProtect - Configurable Open Drain/Push-Pull Output - Standard Mode IBM PC/XT, PC/AT, and PS/2 Drivers Compatible Bidirectional Parallel Port - Supports Vertical Recording Format - Enhanced Parallel Port (EPP) Compatible - - 16-Byte Data FIFO EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant) - 100% IBM Compatibility - IEEE 1284 Compliant Enhanced Capabilities - Detects All Overrun and Under-run Condi- Port (ECP) tions - ChiProtect Circuitry for Protection - Sophisticated Power Control Circuitry (PCC) - 480 Address, Up to 15 IRQ and Three DMA Including Multiple Powerdown Modes for Options Reduced Power Consumption LPC Interface - DMA Enable Logic - Multiplexed Command, Address and Data - Data Rate and Drive Control Registers Bus - 480 Address, Up to Eight IRQ and Three - Serial IRQ Interface Compatible with Serial- DMA Options ized IRQ Support for PCI Systems Enhanced Digital Data Separator - PME Interface - 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 100-Pin QFP RoHS compliant package in a Kbps Data Rates 3.2mm format - Programmable Precompensation Modes Keyboard Controller - 8042 Software Compatible - 8 Bit Microcomputer - 2k Bytes of Program ROM - 256 Bytes of Data RAM 2007-2017 Microchip Technology Inc. DS00002516A-page 1LPC47M112 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: