The SIO1028 is a single chip LPC I/O device as well as a 3.3V operational (5.0V tolerant), PC 99/2001, and ACPI 1.0 compliant Super I/O Controller. This device includes 24 GPIO pins, support for two LED’s with blinking option and a Watchdog Timer (WDT) with optional output pin. It also has three 16C550A compatible UARTs, one of which includes additional support for a Serial Infrared Interface that complies with IrDA v1.2 (Fast IR), HPSIR, and ASKIR formats, as well as Consumer IR. Family parts SIO1028I-JZX SIO1028I-JZX-TR SIO1028-JZX SIO1028-JZX-TR