PC87383 Legacy-Reduced SuperI/O with Fast Infrared Port, Serial Port, Parallel Port and GPIOs for Portable Applications

The Winbond PC87383, a member of the LPC SuperI/O family, is targeted for a wide range of portable applications.
It is PC2001 and ACPI compliant, and features a Fast Infrared port (FIR, IrDA 1.1 compliant), Serial Port, Parallel Port and General-Purpose Input/Output (GPIO) support for a total of 21 ports.

• LPC-to-LPC Switch with hot plugability, enables LPC devices in the Docking Station to be connected to the Main LPC Bus, thus reducing the number of signals required through the Docking Station connector
• LPC bus interface, based on Intel’s LPC Interface Specification Revision 1.1, August 2002 (supports CLKRUN# and LPCPD# signals)
• Fast Infrared port
• PC2001 and ACPI Revision 3.0 compliant
• Serial IRQ support (15 options)
• Protection features, including GPIO lock and pin configuration lock
• 21 GPIO ports, including with 16 with “assert IRQ” capability
• XOR Tree and TRI-STATE® device pins (or ICT) testability modes.
• 5V tolerant and back-drive protected pins (except LPC bus pins)
• 64-pin TQFP package