National Semiconductor PC87351
The PC87351, a member of National Semiconductor’s SuperI/O family of integrated PC peripherals, is a 128-pin, PC98 and ACPI compliant SuperI/O that offers a single-chip solution to the most commonly used ISA peripherals. The PC87351 incorporates: a Floppy Disk Controller (FDC) which is available also on the Parallel Port pins as a multiplexed option (PPM), two enhanced Serial Ports, Infrared Comunication Port (HP-SIR, Sharp-IR, and Consumer Electronics-IR), a full IEEE 1284 Parallel Port, a Keyboard and Mouse Controller (KBC), System Wake-Up Control (SWC), General-Purpose Input/Output (GPIO) Ports with assert interrupt capability, and Fan Speed Control (FSC).
National Semiconductor
