LPC47M192 LPC Super I/O with Hardware Monitoring Block FEATURES 3.3 Volt Operation (SIO Block is 5 Volt Tolerant) - Port 92 Support LPC Interface - Fast Gate A20 and KRESET Outputs ACPI 1.0/2.0 Compliant Serial Ports Fan Control - Two Full Function Serial Ports - Fan Speed Control Outputs (2) - High Speed 16C550A Compatible UARTs - Fan Tachometer Inputs (2) with Send/Receive 16-Byte FIFOs Programmable Wake-up Event Interface - Supports 230k and 460k Baud PC98, PC99, PC01 Compliant Programmable Baud Rate Generator Dual Game Port Interface Modem Control Circuitry MPU-401 MIDI Support - 480 Address and 15 IRQ Options Infrared Port General Purpose Input/Output Pins (37) - Multiprotocol Infrared Interface ISA Plug-and-Play Compatible Register Set - IrDA 1.0 Compliant Intelligent Auto Power Management - SHARP ASK IR System Management Interrupt - 480 Addresses, Up to 15 IRQ 2.88MB Super I/O Floppy Disk Controller Multi-Mode Parallel Port with ChiProtect - Standard Mode IBM PC/XT, PC/AT, and - Licensed CMOS 765B Floppy Disk PS/2 Compatible Bi-directional Parallel Port Controller - Enhanced Parallel Port (EPP) Compatible - - Software and Register Compatible with EPP 1.7 and EPP 1.9 (IEEE 1284 SMSC s Proprietary 82077AA Compliant) Compatible Core - IEEE 1284 Compliant Enhanced Capabilities - Supports Two Floppy Drives Port (ECP) - Configurable Open Drain/Push-Pull Output - ChiProtect Circuitry for Protection Drivers - 960 Address, Up to 15 IRQ and Three DMA - Supports Vertical Recording Format Options - 16-Byte Data FIFO LPC Interface - 100% IBM Compatibility - Multiplexed Command, Address and Data - Detects All Overrun and Underrun Bus Conditions - Serial IRQ Interface Compatible with - Sophisticated Power Control Circuitry (PCC) Serialized IRQ Support for PCI Systems Including Multiple Powerdown Modes for - PME Interface Reduced Power Consumption Hardware Monitor - DMA Enable Logic - Monitor Power supplies (+2.5V, +3.3V, +5V, - Data Rate and Drive Control Registers +12V, +1.8V, +1.5V, Vccp (processor - 480 Address, Up to 15 IRQ and Three voltage), and VCC or HVSB) DMA Options - Remote Thermal Diode Sensing for Two Enhanced Digital Data Separator External Temperature Measurements - 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 - Internal Ambient Temperature Measurement Kbps Data Rates - Limit Comparison of all Monitored Values - Programmable Precompensation Modes - System Management Bus (SMBus) Interface Keyboard Controller - THERM Pin for out-of-limit Temperature or - 8042 Software Compatible Voltage Indication - 8 Bit Microcomputer - RESET Pin for generating 20msec Low - 2k Bytes of Program ROM Reset Pulse - 256 Bytes of Data RAM - Configurable offset for internal or external - Four Open Drain Outputs Dedicated for temperature channels. Keyboard/Mouse Interface AMI Keyboard BIOS ROM - Asynchronous Access to Two Data 128 Pin QFP, 3.2mm footprint Package green, Registers and One Status Register lead-free package also available - Supports Interrupt and Polling Access - 8 Bit Counter Timer SMSC DS LPC47M192 Rev. 03/30/05 DATASHEET 80 Arkay Drive Hauppauge, NY 11788 (631) 435-6000 FAX (631) 273-3123 Copyright SMSC 2005. All rights reserved. Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC reserves the right to make changes to specifications and product descriptions at any time without notice. Contact your local SMSC sales office to obtain the latest specifications before placing your product order. The provision of this information does not convey to the purchaser of the described semiconductor devices any licenses under any patent rights or other intellectual property rights of SMSC or others. All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated version of SMSC s standard Terms of Sale Agreement dated before the date of your order (theTerms of Sale Agreemen). The product may contain design defects or errors known as anomalies which may cause the product s functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the customer. Copies of this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSCs website at