PC87351 Description
The PC87351, a member of National Semiconductor’s SuperI/O family of integrated PC peripherals, is a 128-pin, PC98 and ACPI pliant SuperI/O that offers a single-chip solution to the most monly 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 unication Port (HP-SIR,...
PC87351 Key Features
- Block Diagram
- Serial Port 2 with Infrared
- Software patible with the 16550A and the 16450 Shadow register support for write-only bit monitoring UART data rates up
- Non-standard DMA support
- 1 or 2 channels
- PC98 and ACPI pliant
- PnP Configuration Register structure
- Flexible resource allocation for all logical devices t Relocatable base address t 9 Parallel IRQ or 15 Serial IRQ routin
- Floppy Disk Controller (FDC)
- Software patible with the PC8477, which contains a superset of the FDC functions in the µDP8473, the NEC µPD765A and the