PC8477B - Advanced Floppy Disk Controller

Product Overview

National Semiconductor

Datasheet Details

Part number	PC8477B
Manufacturer	National Semiconductor
File Size	577.40 KB
Description	Advanced Floppy Disk Controller
Datasheet	PC8477B Datasheet
Additional preview pages of the PC8477B datasheet.

Product details

Description

The PC8477B CMOS advanced floppy disk controller is an enhanced version of National’s DP8473 floppy controller The PC8477B is software compatible with the DP8473 and NEC mPD765 floppy disk controllers In addition it is pin and software compatible with the Intel 82077AA floppy controller The PC8477B a 24 MHz crystal a device chip select and a resistor package are all that is needed for a complete PC-AT PS 2 or EISA floppy controller solution The PC8477B includes advanced

Features

such as a 16 byte FIFO (Burst and Non-Burst modes) support of Perpendicular Recording Mode disk drives PS 2 diagnostic registers for Model 30 and Models 50 60 80 standard CMOS disk I O and additional commands to control these new features The 16 byte FIFO will increase system performance at higher data rates and with multi-tasking bus structures This controller is designed to fit into all PC-AT EISA and PS 2 designs as well as other advanced.

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Published: Mar 22, 2005 |