SCH3223 LPC IO with Reset Generation, HWM and Multiple Serial Ports Product Features General Features IDE Reset Output and 3 PCI Reset Buffers with Software Control Capability - 3.3 Volt Operation (SIO Block is 5 Volt Tolerant) Power Button Control and AC Power Failure Recovery - Programmable Wake-up Event (PME) Inter- face Temperature Range Available - PC99, PC2001 Compliant - Industrial (+85C to -40 C) - ACPI 2.0 Compliant - Commercial (+70C to 0 C) - Serial IRQ Interface Compatible with Serial- 64-Ball WFBGA RoHS Compliant Package ized IRQ Support for PCI Systems - ISA Plug-and-Play Compatible Register Set - Four Address Options for Power On Configu- ration Port - System Management Interrupt (SMI) - 19 General Purpose I/O pins, 2 with VID compatible inputs - Security Key Register (32 byte) for Device Authentication Low Pin Count Bus (LPC) Interface - Supports LPC Bus frequencies of 19MHz to 33MHz Watchdog Timer Resume and Main Power Good Generator Programmable Clock Output to 16Hz 2 Full Function Serial Ports - High Speed NS16C550A Compatible UARTs with - Send/Receive 16-Byte FIFOs - Supports 230k, 460k, 921k and 1.5M Baud - Programmable Baud Rate Generator - Modem Control Circuitry - 480 Address and 15 IRQ Options - Support IRQ Sharing among serial ports - RS485 Auto Direction Control Mode Hardware Monitor - Monitor Power supplies (+2.5V, +5V, +12V, Vccp (processor voltage), VCC, Vbat and Vtr. - Remote Thermal Diode Sensing for One External Temperature Measurement accurate o to 1.5 C - Internal Ambient Temperature Measurement - Limit Comparison of all Monitored Values - One Programmable Automatic FAN control based on temperature 2015 Microchip Technology Inc. DS00002028B-page 1SCH3223 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: