Description
National Semiconductor’s PC8739x family of LPC SuperI/O devices is targeted for a wide range of portable applications.
Features
- an X-Bus Extension for read and write operations over the X-Bus, a full IEEE 1284 Parallel Port with a Parallel Port Multiplexer (PPM) for external Floppy Disk Drive (FDD) support, a Musical Instrument Digital Interface (MIDI) port, and a Game port. Like all National LPC SuperI/O devices, the PC8739x offers a single-chip solution to the most commonly used PC I/O peripherals. The PC8739x family also incorporates: a Floppy Disk Controller (FDC), two enhanced Serial Ports (UARTs), one with Fast Inf.