The WPCN383U, a member of the Winbond LPC Super I/O family, is targeted for a wide range of portable applications. The WPCN383U is PC2001 and ACPI compliant, and features a Fast Infrared port (FIR, IrDA 1.1 compliant), two Serial Ports, Parallel Port and General-Purpose Input/Output (GPIO) support for a total of 21 ports.

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• Fast Infrared Port (FIR)
• LPC bus interface, based on Intel’s LPC Interface Specification Revision 1.1, August 2002 (supports CLKRUN and LPCPD signals)
• PC2001 and ACPI Revision 3.0 compliant
• IEEE 1284 Parallel Port
• 21 GPIO ports, including 14 with IRQ assertion capability
• Two testability modes (XOR Tree and TRI-STATE® device pins).
• Fully compatible with Winbond's 87383 (formerly known as PC87383).
• 5V tolerant and back-drive protected pins (except LPC bus pins)
• 64-pin TQFP package