Avago Technologies LSI53C825AE - Manual (Page 20)

1-6 Introduction
1.4.3 Integration
The LSI53C825A contains these integration features:
•
3.3 V/5 V PCI interface
•
Full 32-bit PCI DMA bus master
•
Can be used as a third-party PCI bus DMA controller by using
Memory-to-Memory Move instructions
•
High-performance SCSI core
•
Integrated SCRIPTS processor
1.4.4 Ease of Use
The LSI53C825A provides ease of use by having:
•
Up to one megabyte of add-in memory support for BIOS and
SCRIPTS storage
•
Direct PCI to SCSI connection
•
Reduced SCSI development effort
•
Easily adapted to the ASPI or the ANSI CAM, with SDMS software
•
Compiler compatible with existing LSI53C7XX and LSI53C8XX family
SCRIPTS
•
Direct connection to PCI, SCSI SE, and differential buses
•
Development tools and sample SCSI SCRIPTS available
•
Maskable and pollable interrupts
•
Wide SCSI, A or P cable, and up to 16 devices supported
•
Three programmable SCSI timers: Select/Reselect, Handshake-to-
Handshake, and General Purpose. The time-out period is
programmable from 100
µ
s to greater than 25.6 seconds
•
SDMS software for complete PC-based operating system support
•
Support for relative jumps
•
SCSI Selected As ID bits (SSAID) for responding with multiple IDs