SCH3106 LPC IO with Multiple Serial Ports, 8042 KBC, Reset Generation, and Hardware Monitoring Datasheet PRODUCT FEATURES 8 Bit Counter Timer General Features Port 92 Support 3.3 Volt Operation (SIO Block is 5 Volt Tolerant) Fast Gate A20 and KRESET Outputs Low Pin Count Bus (LPC) Interface Phoenix Keyboard BIOS ROM Programmable Wake-up Event (PME) Interface PC99, PC2001 Compliant Multiple Serial Ports ACPI 2.0 Compliant 4 Full Function and 2 Four-Pin Serial Ports Serial IRQ Interface Compatible with Serialized IRQ High Speed NS16C550A Compatible UARTs with Support for PCI Systems Send/Receive 16-Byte FIFOs ISA Plug-and-Play Compatible Register Set Supports 230k, 460k, 921k and 1.5M Baud Four Address Options for Power On Configuration Port Programmable Baud Rate Generator System Management Interrupt (SMI) Modem Control Circuitry 40 General Purpose I/O pins 480 Address and 15 IRQ Options 6 GPIO with VID compatible inputs Support IRQ Sharing among serial ports Support for power button on PS/2 Keyboard RS485 Auto Direction Control Mode Security Key Register (32 byte) for Device Infrared Port Authentication Multiprotocol Infrared Interface Programmable Clock Output to 16 HZ. IrDA 1.0 Compliant SHARP ASK IR 2.88MB Super I/O Floppy Disk Controller 480 Addresses, Up to 15 IRQ Licensed CMOS 765B Floppy DiskController Supports Two Floppy Drives Multi-Mode Parallel Port with ChiProtect , Configurable Open Drain/Push-Pull Standard Mode IBM PC/XT PC/AT , and PS/2 Supports Vertical Recording Format Compatible Bi-directional Parallel Port 16-Byte Data FIFO Enhanced Parallel Port (EPP) Compatible - EPP 1.7 100% IBM Compatibility and EPP 1.9 (IEEE 1284 Compliant) Detects All Overrun and Underrun Conditions EEE 1284 Compliant Enhanced Capabilities Port (ECP) Sophisticated Power Control Circuitry (PCC) Including ChiProtect Circuitry for Protection Multiple Powerdown Modes for Reduced Power 960 Address, Up to 15 IRQ and Four DMA Options Consumption Hardware Monitor DMA Enable Logic Monitor Power supplies (+2.5V, +5V, +12V, Vccp Data Rate and Drive Control Registers (processor voltage), VCC, Vbat and Vtr. 480 Address, Up to Eight IRQ and Four DMA Options Remote Thermal Diode Sensing for Two External Support FDD Interface on Parallel Port Pins o Temperature Measurements accurate to 1.5 C Enhanced Digital Data Separator Internal Ambient Temperature Measurement 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbp Data Limit Comparison of all Monitored Values Rates Programmable Automatic FAN control based on Programmable Precompensation Modes temperature nHWM INT Pin for out-of-limit Temperature or Voltage Keyboard Controller Indication 8042 Software Compatible Configurable offset for internal or external temperature 8 Bit Microcomputer channels 2k Bytes of Program ROM Thermtrip signal for over temperature indication 256 Bytes of Data RAM Four Open Drain Outputs Dedicated for Watchdog Timer Keyboard/Mouse Interface Resume and Main Power Good Generator Asynchronous Access to Two Data Registers and One Commercial (+70 C to 0C) Temperature Range Status Register Supports Interrupt and Polling Access 128 Pin VTQFP Lead-free RoHS Compliant Package SMSC SCH3106 SMSC CONFIDENTIAL DATASHEET Revision 1.0 (06-08-07) LPC IO with Multiple Serial Ports, 8042 KBC, Reset Generation, and Hardware Monitoring Datasheet ORDER NUMBER: SCH3106-NU FOR 128 Pin, VTQFP Lead-free RoHS Compliant Package (Matte Tin Finish) 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000 or 1 (800) 443-SEMI Copyright 2007 SMSC or its subsidiaries. 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