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PC87312 - Floppy Disk Controller

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 100% compatible with IBM PC XT and AT architectures (PC87311A) or ISA EISA and Micro Channel architectures (PC87312) Y 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 Y UARTs Software compatible with the INS8250N-B and the NS16450 (PC87311A) or PC16550A and PC1.

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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 OTM 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 pe
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