The WPCN381U, a member of the Winbond LPC Super I/O family, is targeted for legacy-reduced ultra-light portable applications. The WPCN381U is PC2001 and ACPI compliant, and features a Fast Infrared port (FIR, IrDA 1.1 compliant), two Serial Ports and General-Purpose Input/Output (GPIO) support for a total of 11 ports. The WPCN381U is a “no-frills” solution for the new generation of notebook systems, providing just the essential functions.

For more detailed technical information about Winbond's embedded controllers for notebook applications, click here to Contact Sales.

• 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
• 11 GPIO ports, including 6 with IRQ assertion capability
• Two testability modes (XOR Tree and TRI-STATE® device pins).
• Fully compatible with Winbond's 87381 (formerly known as PC87381)
• 5V tolerant and back-drive protected pins (except LPC bus pins)
• 48-pin LQF package