LSI53C860E LSI, LSI53C860E Datasheet

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LSI53C860E

Manufacturer Part Number
LSI53C860E
Description
Manufacturer
LSI
Datasheet

Specifications of LSI53C860E

Lead Free Status / RoHS Status
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Part Number:
LSI53C860E
Manufacturer:
LSI
Quantity:
20 000
LSI53C860E
SCSI CONTROLLER
P C I - U L T R A S C S I C O N T R O L L E R
O V E R V I E W
chip to transfer SCSI data at up to 20 MBps across an 8-bit SCSI bus. Ultra
SCSI doubles the synchronous transfer rates of Fast SCSI. The advantage of
LSI Logic’s Ultra SCSI is that it significantly improves SCSI bandwidth, while
preserving existing hardware and software investments. The LSI53C860E
provides full SCSI-2 capabilities, including command queuing, and features
TolerANT
cabling environments. It is designed to connect to the Peripheral Component
Interconnect (PCI) bus, performing burst transfers on the bus in excess of
110 MBps.
(SDMS
environments. LSI Logic’s SDMS software package supports the entire
LSI53C8XX family of PCI to SCSI controllers, plus a wide range of SCSI
peripheral devices.
(the LSI Logic developed SCSI programming language) instruction prefetch,
which when enabled, permits fetching four or eight double words of instruc-
tions or instruction operands. By pre-fetching instructions, the LSI53C860E
makes more efficient use of the PCI system bus by reducing the PCI bus over-
head requirements. In addition, the part supports the PCI Cache Line Size
Register with programmable alignment logic and automatic burst sizing,
allowing system architects to maximize their cache-based system performance
The LSI53C860E controller supports Ultra SCSI transfers, enabling the
The LSI53C860E controller and Storage Device Management System
PCI performance enhancements on the LSI53C860E include the SCRIPTS
) software, provide a total Ultra SCSI solution in PC and workstation
®
SCSI driver and receiver technology, for reliable operation in all
B E N E F I T S
• Ultra SCSI technology doubles
• Builds upon proven technology —
• Easy migration minimizes
• Provides new features for
F E A T U R E S
• Performs high-speed single-
• SCRIPTS
• Load and Store instruction
• Support for PCI Cache Line
• Functions as full 32-bit PCI
• Bursts 2, 4, 8, or 16 dwords of
The Communications Company
the I/O bandwidth to 20 MBps
A pin-for-pin replacement for
the industry standard
LSI53C810 and LSI53C810AE
schedule and design risk
enhanced PCI performance
and flexibility
ended SCSI bus transfers up to:
• 20 MBps synchronous Ultra
• 7 MBps asynchronous transfers
Size Register
DMA bus master
data across PCI bus using
80-byte DMA FIFO
SCSI transfers
Instruction Prefetch

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LSI53C860E Summary of contents

Page 1

... LSI Logic developed SCSI programming language) instruction prefetch, which when enabled, permits fetching four or eight double words of instruc- tions or instruction operands. By pre-fetching instructions, the LSI53C860E makes more efficient use of the PCI system bus by reducing the PCI bus over- head requirements. In addition, the part supports the PCI Cache Line Size ...

Page 2

... LSI53C860E SCSI Controller through efficient use of PCI Memory Read Line, Memory Read Multiple, and Memory Write and Invalidate access cycles. Other selectable features that can be activated include: • IRQ disable, allowing users to better control the times when their system can receive interrupts. ...

Page 3

... DOS • Linux ® • NetWare ® • SCO UnixWare ™ • OS/2 Warp • Solaris ® Vdd LSI53C860E PCI Bus SCLK 80 MHz Oscillator CPU Baseboard Figure 1: LSI53C860E system diagram SCSI Connection SCSI Term Connection Vss SCSI Bus Peripheral CPU Box ...

Page 4

... LSI53C860E SCSI Controller For more information please visit the LSI Logic web site at: http://storageio.lsilogic.com LSI Logic Corporation North American Headquarters Milpitas, CA Tel: 800 574 4286 LSI Logic Europe Ltd. European Headquarters United Kingdom Tel: 44 1344 426544 Fax: 44 1344 481039 LSI Logic KK Headquarters ...

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