PC87415 - PCI-IDE DMA Master Mode Interface Controller

Product Overview

National Semiconductor

Datasheet Details

Part number	PC87415
Manufacturer	National Semiconductor
File Size	374.03 KB
Description	PCI-IDE DMA Master Mode Interface Controller
Datasheet	PC87415 Datasheet
Note	This datasheet PDF includes multiple part numbers: PC87415, PC8. Please refer to the document for exact specifications by model.
Additional preview pages of the PC87415 datasheet.

Product details

Description

The Enhanced PCI-IDE Interface is a single-chip controller packaged in a 100-pin PQFP It provides 2 IDE channels for interfacing up to 4 IDE drives or 2 IDE drives and CD-ROM directly on the PCI Local bus An enhanced DMA controller on-chip increases system performance by providing full scatter gather data transfers between IDE devices and system memory without CPU intervention Four levels of both write posting and read prefetching per channel allow the host CPU to run concurrently with IDE cycle

Features

Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y PCI bus interface for up to 4 IDE devices 33 MHz 32-bit PCI bus data path with full parity error reporting 16 7 MByte sec maximum IDE transfer rate Support for 2 IDE channels ( 2 IDE devices per channel) Primary or secondary IDE addressing (1F0x 170x) in PC compatible mode Re-mappable base registers for full PCI compliance Concurrent channel operation (PIO DMA modes) 4 Double Word write FIFO per channel 4 Double Word read prefetch FIFO per channel.

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Published: Mar 22, 2005 |