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PC87303VUL - Floppy Disk Controller / Keyboard Controller

This page provides the datasheet information for the PC87303VUL, a member of the PC8 Floppy Disk Controller / Keyboard Controller family.

Datasheet Summary

Description

The PC87303VUL is a single chip solution incorporating a Keyboard and PS 2 Mouse Controller (KBC) Real Time Clock (RTC) and most commonly used I O peripherals in ISA EISA and MicroChannel based computers In addition to the KBC and RTC a Floppy Disk Controller (FDC) two full featured UARTs an IEEE 12

Features

  • and high integration of the PC87303 result in several benefits for low cost high performance systems Printed circuit board space savings fewer components on the motherboard and compatibility with the latest industry standard peripherals are only a few of the benefits of using a PC87303 The KBC is fully software compatible with the 8042AH microcontroller It contains system timing control logic custom ROM program memory RAM data memory and 18 programmable I O lines necessary to implement dedicated.

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Datasheet preview – PC87303VUL

Datasheet Details

Part number PC87303VUL
Manufacturer National Semiconductor
File Size 1.10 MB
Description Floppy Disk Controller / Keyboard Controller
Datasheet download datasheet PC87303VUL Datasheet
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Full PDF Text Transcription

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PC87303VUL SuperI O Sidewinder Lite Floppy Disk Controller Keyboard Controller Real-Time Clock Dual UARTs IEEE 1284 Parallel Port and IDE Interface PRELIMINARY February 1995 PC87303VUL SuperI O TM Sidewinder Lite Floppy Disk Controller Keyboard Controller Real-Time Clock Dual UARTs IEEE 1284 Parallel Port and IDE Interface General Description The PC87303VUL is a single chip solution incorporating a Keyboard and PS 2 Mouse Controller (KBC) Real Time Clock (RTC) and most commonly used I O peripherals in ISA EISA and MicroChannel based computers In addition to the KBC and RTC a Floppy Disk Controller (FDC) two full featured UARTs an IEEE 1284 compatible parallel port and all the necessary control logic for an IDE interface provides support for most commonly used I O peripherals Standard PC-
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