Avago Technologies LSI53C895A - Manual (Page 24)

1-8 General Description
1.5.3 Integration
Features of the LSI53C895A which ease integration include:
•
High-performance SCSI core.
•
Integrated LVD transceivers.
•
Full 32-bit PCI DMA bus master.
•
Integrated SCRIPTS processor.
•
Memory-to-Memory Move instructions allow use as a third-party PCI
bus DMA controller.
1.5.4 Ease of Use
The LSI53C895A provides:
•
Easy, drop-in replacement for the LSI53C895.
•
Up to one megabyte of add-in memory support for BIOS and
SCRIPTS storage.
•
Reduced SCSI development effort.
•
Compiler-compatible with existing LSI53C7XX and LSI53C8XX
family SCRIPTS.
•
Direct connection to PCI and SCSI SE, LVD and HVD (needs
external transceivers).
•
Development tools and sample SCSI SCRIPTS available.
•
Nine GPIO pins.
•
Maskable and pollable interrupts.
•
Wide SCSI, A or P cable, and up to 15 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.
•
Software for PC-based operating system support.
•
Support for relative jumps.
•
SCSI Selected as ID bits for responding with multiple IDs.