Avago Technologies LSI53C1000R - Manual (Page 28)

1-10 Introduction
Version 2.2 Copyright © 2000–2003 by LSI Logic Corporation. All rights reserved.
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Maskable and pollable interrupts.
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Wide SCSI, A or P cable, and up to 15 devices are supported.
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Three programmable SCSI timers: Select/Reselect,
Handshake-to-Handshake, and General Purpose.
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Software for PC-based operating system support.
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Support for relative jumps.
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SCSI Selected As ID bits for responding with multiple IDs.
1.6.5 Flexibility
The following features increase the flexibility of the LSI53C1000R:
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Universal LVD transceivers are backward compatible with SE devices.
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High level programming interface (SCSI SCRIPTS).
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Programs local and bus flash memory.
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Tailored SCSI sequences execute from main system RAM or internal
SCRIPTS RAM.
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Flexible programming interface to tune I/O performance or to adapt
to unique SCSI devices.
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Support for changes in the logical I/O interface definition.
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Low level access to all registers and all SCSI bus signals.
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Fetch, Master, and Memory Access control pins.
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Separate SCSI and system clocks.
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SCSI clock quadrupler bits enable Ultra160 SCSI transfer rates with
a 40 MHz SCSI clock input.
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Selectable INT pin disable bit.
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Compatible with 3.3 V and 5 V PCI.
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Easy migration to LSI53C1020 and subsequent chips.