GENERAL DESCRIPTION The LPC47M10x* is a 3.3V (5V tolerant) PC98/PC99 compliant Super I/O controller. The LPC47M10x implements the LPC interface, a pin reduced ISA bus interface which provides the same or better performance as the ISA/X-bus with a substantial savings in pins used. The LPC47M10x provides fan control through two fan speed control output pins and two fan tachometer input pins. It also provides 37 general purpose input/output (GPIO) pins, a dual game port interface and MPU-401 MIDI support. FEATURES • 3.3 Volt Operation (5 Volt Tolerant) • LPC Interface • ACPI 1.0 Compliant • Fan Control - Fan Speed Control Outputs - Fan Tachometer Inputs • Programmable Wake-up Event Interface • PC98, PC99 Compliant • Dual Game Port Interface • MPU-401 MIDI Support • General Purpose Input/Output Pins • ISA Plug-and-Play Compatible Register Set • Intelligent Auto Power Management • System Management Interrupt • 2.88MB Super I/O Floppy Disk Controller - Licensed CMOS 765B Floppy Disk Controller - Software and Register Compatible with SMSCs Proprietary 82077AA Compatible Core - Supports Two Floppy Drives Directly - Configurable Open Drain/Push-Pull Output Drivers - Supports Vertical Recording Format - 16-Byte Data FIFO - 100% IBM Compatibility - Detects All Overrun and Underrun Conditions - Sophisticated Power Control Circuitry (PCC) Including Multiple Powerdown Modes for Reduced Power Consumption - DMA Enable Logic - Data Rate and Drive Control Registers - 480 Address, Up to Eight IRQ and Three DMA Options • Enhanced Digital Data Separator - 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps Data Rates - Programmable Precompensation Modes • Keyboard Controller - 8042 Software Compatible - 8 Bit Microcomputer - 2k Bytes of Program ROM 256 Bytes of Data RAM - Four Open Drain Outputs Dedicated for Keyboard/Mouse Interface - Asynchronous Access to Two Data Registers and One Status Register - Supports Interrupt and Polling Access - 8 Bit Counter Timer - Port 92 Support - Fast Gate A20 and KRESET Outputs • Serial Ports - Two Full Function Serial Ports - High Speed NS16C550 Compatible UARTs with Send/Receive 16-Byte FIFOs - Supports 230k and 460k Baud Programmable Baud Rate Generator Modem Control Circuitry - 480 Address and 15 IRQ Options • Infrared Port - Multiprotocol Infrared Interface - IrDA 1.0 Compliant - SHARP ASK IR - 480 Addresses, Up to 15 IRQ • Multi-Mode Parallel Port with ChiProtect - Standard Mode IBM PC/XT®, PC/AT, and PS/2 Compatible Bidirectional Parallel Port - Enhanced Parallel Port (EPP) Compatible - EPP 1.7 and EPP 1.9 (IEEE 1284 Compliant) - IEEE 1284 Compliant Enhanced Capabilities Port (ECP) - ChiProtect Circuitry for Protection - 480 Address, Up to 15 IRQ and Three DMA Options • LPC Interface - Multiplexed Command, Address and Data Bus - Serial IRQ Interface Compatible with Serialized IRQ Support for PCI Systems - PME Interface • 100 Pin QFP package, lead-free RoHS compliant packages also available
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