SCH3221 LPC I/O with Quad UARTs, GPIO and Wake Product Features General Features - 3.3 Volt Operation (5 Volt Tolerant) - PC99, PC2001 Compliant - ACPI Compliant - Serial IRQ Interface Compatible with Serial- ized IRQ Support for PCI Systems - Two Address Options for Power On Configu- ration Port - System Management Interrupt (SMI) Low Pin Count Bus (LPC) Interface 33 General Purpose I/O pins Programmable Wake-up Event (PME) Interface - Serial Modem RI Inputs -GPIOs - Watchdog 4 Full Function Serial Ports - High Speed NS16C550A 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 Communications Controller - IrDA v1.2 (4Mbps), HPSIR, ASKIR, Consumer IR Support - 2 IR Ports - 96 Base I/O Address, 15 IRQ, and 4 DMA Options Two LED Drivers with Blinking Options Watchdog Timer Temperature Ranges Available - Industrial (+85C to -40C) - Commercial (+70C to 0C) 64-Ball WFBGA RoHS Compliant Package 2016 Microchip Technology Inc. DS00002120A-page 1SCH3221 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: