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參數(shù)資料
| 型號(hào)： | VRC5074 |
| 廠商： | NEC Corp. |
| 英文描述： | Interface Controller(接口控制器) |
| 中文描述： | 接口控制器（接口控制器） |
| 文件頁(yè)數(shù)： | 4/4頁(yè) |
| 文件大?。?/td> | 27K |
| 代理商： | VRC5074 |
V
RC
5074
For literature, call toll-free 7 a.m. to 6 p.m. Pacific time:
1-800-366-9782
or FAX your request to:
1-800-729-9288
NEC Electronics Inc.
CORPORATE HEADQUARTERS
1997 NEC Electronics Inc./Printed in U.S.A.
U129926EU1V0PB00
No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC
Electronics Inc. (NECEL). The information in this document is subject to change without notice. ALL DEVICES SOLD BY
NECEL ARE COVERED BY THE PROVISIONS APPEARING IN NECEL TERMS AND CONDITIONS OF SALES ONLY.
INCLUDING THE LIMITATION OF LIABILITY, WARRANTY, AND PATENT PROVISIONS. NECEL makes no warranty,
express, statutory, implied or by description, regarding information set forth herein or regarding the freedom of the described
devices from patent infringement. NECEL assumes no responsibility for any errors that may appear in this document. NECEL
makes no commitments to update or to keep current information contained in this document. The devices listed in this
document are not suitable for use in applications such as, but not limited to, aircraft control systems, aerospace equipment,
submarine cables, nuclear reactor control systems and life support systems. “Standard” quality grade devices are
recommended for computers, office equipment, communication equipment, test and measurement equipment, machine tools,
industrial robots, audio and visual equipment, and other consumer products. For automotive and transportation equipment,
traffic control systems, anti-disaster and anti-crime systems, it is recommended that the customer contact the responsible
NECEL salesperson to determine the reliability requirements for any such application and any cost adder. NECEL does not
recommend or approve use of any of its products in life support devices or systems or in any application where failure could
result in injury or death. If customers wish to use NECEL devices in applications not intended by NECEL, customer must
contact the responsible NECEL sales people to determine NECEL’s willingness to support a given application.
2880 Scott Boulevard
P.O. Box 58062
Santa Clara, CA 95052-8062
TEL 408-588-6000
V
RC
5074 Block Diagram
.
97YL-0236C (7/97)
CPU Wr
FIFO 8 x 64
PCI Wr
FIFO 8 x 64
DMA Wr
FIFO 8 x 64
Reg
Rows
96 x 64
16550
UART
Local Master
PCI [63:32] or Local I/O [31:0]
Arbiter
Data
FIFO
32 x 64
DMA
Channel 0
Channel 1
Main Memory Interface
Output
FIFO
32 x 77
Input
FIFO
32 x 77
PCI Interface
Bank 0
Cont
Addr
Bank 1
Cont
PCI Cont
Addr [31:0]
Addr
Data
64
8
Check
TxD
Control
Chip
Select
Address
Address
RxD
Internal
Registers
Cmd
FIFO
8 x 32
Addr
FIFO
16 x 72
VR5000
Interface
Local
Bus
Interface
7
6
32
Command
Boot Mode
ROM and
Reset
9
Check
Data
8
Address/
Data
64
Control
Multiple
V
RC
5074
Support
Signals
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