2 pci performance, 3 integration, 4 ease of use – LSI 53C810A User Manual

Page 16: Pci performance, Integration, Ease of use

Advertising
background image

1-4

General Description

1.2.2 PCI Performance

To improve PCI performance, the LSI53C810A:

Bursts 2, 4, 8, or 16 Dwords across PCI bus with 80-byte DMA FIFO

Prefetches up to 8 Dwords of SCRIPTS instructions

Supports 32-bit word data bursts with variable burst lengths.

Bursts SCRIPTS opcode fetches across the PCI bus

Performs zero wait-state bus master data bursts faster than
110 Mbytes/s (@ 33 MHz)

Supports PCI

Cache Line Size

register

1.2.3 Integration

Features of the LSI53C810A which ease integration include:

3.3 V/5 V PCI interface

Full 32-bit PCI DMA bus master

DMA controller using Memory-to-Memory Move instructions

High-performance SCSI core

Integrated SCRIPTS processor

Compact 100-pin PQFP packaging

1.2.4 Ease of Use

The LSI53C810A provides:

Direct PCI-to-SCSI connection

Reduced SCSI development effort

Support for the ASPI software standard using SDMS software

Compatibility with existing LSI53C7XX and LSI53C8XX family
SCRIPTS

Direct connection to PCI and SCSI SE bus

Development tools and sample SCSI SCRIPTS

Maskable and pollable interrupts

Advertising