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PC87311A - Floppy Disk Controller

This page provides the datasheet information for the PC87311A, a member of the PC8 Floppy Disk Controller family.

Datasheet Summary

Description

The PC87311A 12 incorporates a floppy disk controller (FDC) two full function UARTs a bidirectional parallel port and IDE interface control logic in one chip The PC87311A includes standard AT XT address decoding for on-chip functions and a Configuration Register offering a single chip solution to th

Features

  • Y Y Y Y Y Y Y 100% compatible with IBM PC XT and AT architectures (PC87311A) or ISA EISA and Micro Channel architectures (PC87312) FDC Software compatible with the DP8473 the 765A and the N82077 16-byte FIFO (default disabled) Burst and Non-Burst modes Perpendicular Recording drive support High performance internal analog data separator (no external filter components required) Low power CMOS with power down mode UARTs Software compatible with the INS8250N-B and the NS16450 (PC87311A) or P.

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PC87311A PC87312 (SuperI O II III) Floppy Disk Controller with Dual UARTs Parallel Port and IDE Interface October 1993 PC87311A PC87312 (SuperI O TM II III) Floppy Disk Controller with Dual UARTs Parallel Port and IDE Interface General Description The PC87311A 12 incorporates a floppy disk controller (FDC) two full function UARTs a bidirectional parallel port and IDE interface control logic in one chip The PC87311A includes standard AT XT address decoding for on-chip functions and a Configuration Register offering a single chip solution to the most commonly used IBM PC PC-XT and PC-AT peripherals The PC87312 includes standard AT address decoding for on-chip functions and a Configuration Register set offering a single chip solution to the most commonly used ISA EISA and Micro Channel peri
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