VSC205 datasheet(1/2 Pages) VITESSE

部件名	VSC205

功能描述	LVD SCSI Enclosure Management Controller Product Brief

PDF	2 Pages

Scroll/Zoom	100%

制造商	VITESSE [Vitesse Semiconductor Corporation]

网页	http://www.vitesse.com

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1 / 2 page

VSC205

LVD SCSI Enclosure

Management Controller

Product Brief

Overview

The VSC205 is an enclosure management controller

for peripheral storage applications.

This device

supports in-band and out of band management

strategies. The VSC205 implements in-band SES

and

SAF-TE

enclosure

management

via

the

integrated SCSI interface.

Out of band solutions

are

possible

using

IPMI

(Intelligent

Platform

Management Interface) or through a customer

unique approach.

JBOD and RAID subsystem developers are provided

a common hardware and software platform, which

supports all common subsystem diagnostic and

enclosure management strategies.

The VSC205

may be used as the master controller of a I

2C serial

interface

communicating

with

scalable

slave

backplane controllers such as Vitesse VSC055/050

and other industry standard devices.

Device Features

• Integrated SCSI Controller with LVD or Single

Ended operation over a wide SCSI bus

• Target and Initiator mode with wide SCSI

arbitration and selection support

• Disconnect and reselect support minimizing

SCSI bus connect time

• Three master/slave mode I2C serial interfaces

• 32-bit, 40Mhz RISC CPU w/debug port

• RS-232 Monitor Port

• IPMI 1.0 Compatible

• External Flash and/or SRAM (60ns to 350ns)

• Two integrated 8K byte user data SRAMs

• 3 bits of user definable general purpose I/O with

up to 3 external interrupts

• General purpose UART

• 160 PQFP Package

Software Development Kit Features

• Modular architecture to support migration to

other I/O technologies and protocols

• Extensive peripheral device library

• Sample Personality Module source code

SCSI Applications

The

VSC205

offers

dedicated

port

enclosure

management across a parallel SCSI bus.

The

VSC205’s integrated LVD SCSI controller is used to

provide a high performance, SES or SAF-TE

solution. No external components are required with

this approach; the VSC205 integrates both the data

and command buffers and control logic.

This

architecture provides system designers with a

common platform for various SCSI bus speeds and

physical interfaces.

Architecture

System Level Integration (SLI) techniques were

used to create a complete system on a chip. The

VSC205 integrates a RISC embedded processor

and

additional

DMA,

memory

and

controller

functionality.

The VSC205 includes three, I

2C serial interface bus

master controllers. These controllers may be used

to interface to off-the-shelf instrumentation and

control devices commonly used in environmental

Drive 0

Drive 1

Drive 2

Drive 3

VITESSE

Backplane

Controller

Local I/O (x3)

Power Supplies

& Fans

VITESSE

VSC205

LVD SCSI

Enclosure

Controller

LM75

(Temp)

Flash

(1M x 8)

LVD/SE

SCSI Bus

Drive 4

Drive 5

I2C Serial

I/F

Wide or Narrow SCSI Bus

X24C16

EEPROM

Drive 7

Drive 6

Typical Application Block Diagram

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