1-10
Introduction
1.6.4 Ease of Use
The following features of the LSI53C1000 make the device user friendly.
•
Up to 1 Mbyte 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 and LVD.
•
Development tools and sample SCSI SCRIPTS available.
•
Maskable and pollable interrupts.
•
Wide SCSI, A or P cable, and up to 15 devices are supported.
•
Three programmable SCSI timers: Select/Reselect,
Handshake-to-Handshake, and General Purpose.
•
Software for PC-based operating system support.
•
Support for relative jumps.
•
SCSI Selected As ID bits for responding with multiple IDs.
1.6.5 Flexibility
The following features increase the flexibility of the LSI53C1000:
•
Universal LVD transceivers are backward compatible with SE
devices.
•
High level programming interface (SCSI SCRIPTS).
•
Programs local and bus flash memory.
•
Tailored SCSI sequences execute from main system RAM or internal
SCRIPTS RAM.
•
Flexible programming interface to tune I/O performance or to adapt
to unique SCSI devices.
•
Support for changes in the logical I/O interface definition.
•
Low level access to all registers and all SCSI bus signals.
•
Fetch, Master, and Memory Access control pins.
•
Separate SCSI and system clocks.
Содержание LSI53C1000
Страница 6: ...vi Preface...
Страница 16: ...xvi Contents...
Страница 28: ...1 12 Introduction...
Страница 234: ...4 124 Registers...
Страница 314: ...6 40 Specifications This page intentionally left blank...
Страница 318: ...6 44 Specifications This page intentionally left blank...
Страница 344: ...6 70 Specifications This page intentionally left blank...
Страница 350: ...6 76 Specifications Figure 6 42 LSI53C1000 329 Ball Grid Array Bottom view...
Страница 352: ...6 78 Specifications...
Страница 360: ...A 8 Register Summary...
Страница 376: ...IX 12 Index...