Datasheet > QR0001

QR0001

更新时间： 2024-11-17 03:39:39

品牌	Logo	应用领域
美国国家半导体 - NSC		电信集成电路控制器
页数	文件大小	规格书
40页	443K
描述
QuickRing Data Stream Controller

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数据手册

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QR0001 数据手册

PRELIMINARY

October 1994

QR0001

QuickRing^TMData Stream Controller

General Description

Features

160-pin PQFP package

QuickRing is a point-to-point data transfer architecture de-

signed to facilitate high speed data streams. The QuickRing

architecture can be applied both inside the chassis as well

as outside the chassis environments to increase data

throughput. Each QR0001 QuickRing Controller node in the

ring is capable of streaming up to 231 MSamples/s per sig-

nal line simultaneously, including protocol overhead. This

device is intended for use in applications that handle high-

bandwidth data streams associated with graphics, uncom-

pressed video, disk arrays, high-speed local area networks,

multiprocessor systems, and to interconnect peripherals

over a few meters of cable. The QR0001 QuickRing Con-

troller can be used to augment the performance of tradition-

al backplane buses in personal computers, workstations,

and high-end systems. The QR0001 is useful for routing

high-bandwidth streams in systems that are larger or topo-

logically more complex than bus-based systems.

16 node single ring capability

Peak theoretical rate over 1 GByte/sec for 16 node

ring

Support for Multi-Ring topologies

Error detection detects 1- and 2-bit errors

RING INTERFACE

Precision PLL captures data at 231 MSamples/s max

33 MHz maximum ring clock frequency

Low Voltage Differential Signaling (LVDS) ring interface

(IEEE P1596.3)

CLIENT INTERFACE

132 MBytes/s data transfer rate at both Tx and Rx

ports

32-bit transmit and receive data ports

Readable internal diagnostic register

TTL signal interface

Block Diagram

TL/F/11928–1

QuickRing^TMis a trademark of Apple Computer, Incorporated.

1995 National Semiconductor Corporation

TL/F/11928

RRD-B30M75/Printed in U. S. A.

12 3 4 5 6 7...40

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