General Description

The WPCN384U, a member of the Winbond LPC SuperI/O family, is targeted for a wide range of notebook and docking applications. The WPCN384U is PC2001 and ACPI compliant, and features two Serial Ports, Parallel Port and General Purpose Input/Output (GPIO) support for a total of 21 ports.

The WPCN384U is an optimized solution for notebook systems requiring no FIR Port, and for LPC-based docking stations implementing an on-board SuperI/O.

Outstanding Features

■ Pin and software compatible with the Winbond 87384

■ Two Serial Ports

■ 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).

■ 5V tolerant and back-drive protected pins (except LPC bus pins)

■ 64-pin TQFP package