Datasheet > VRC4373

VRC4373

更新时间： 2024-10-14 23:45:15

品牌	Logo	应用领域
其他 - ETC		控制器
页数	文件大小	规格书
109页	551K
描述
SYSTEM CONTROLLER

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中文翻译

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数据手册

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VRC4373 数据手册

VRC4373 System Controller

Data Sheet

October 1997

1.0

Introduction

1.1

The VRC4373 system controller is a software-configurable chip that directly interfaces

the VR4300 CPU and PCI bus without external logic or buffering, and also interfaces

Overview

memory (SDRAM, EDO, fast-page DRAM, and flash boot ROM) with minimal buffer-

ing. From the viewpoint of the VR4300 CPU, the VRC4373 acts as a memory controller,

DMA controller, and PCI bridge. From the viewpoint of PCI agents, the VRC4373 acts

as either a PCI bus master or a PCI bus target. Alternatively, the VRC4373 may be

located on a PCI bus add-on board.

1.2

CPU Interface

Features

•

Direct connection to the 66MHz V^R4300 CPU bus

3.3V I/O

Support for all V^R4300 bus cycles

Little-endian or big-endian byte order

Memory Interface

•

Support for boot ROM, base memory, and up to four SIMM (DIMM) ranges

Programmable address ranges for base memory and SIMM memory

66 MHz memory bus

Base memory range: SDRAM and EDO DRAM

SIMM memory range: SDRAM, EDO and fast-page DRAM, and flash ROM

Several speed grades supported within each memory range

Bank-interleaved or non-bank-interleaved SIMM memory ranges

On-chip bank-interleaving buffers

Open DRAM page maintained within base memory

8-word (32-byte) write FIFO (CPU-to-memory)

2-word (8-byte) prefetch FIFO (memory-to-CPU or memory-to-PCI)

On-chip DRAM and SDRAM refresh generation

Up to 16 MB of write-protectable boot ROM

Boot ROM address and data signals multiplexed on DRAM data signals

3.3V inputs; 5V-tolerant outputs

PCI Interface

•

Master and target capability

Host bridge and add-on board modes

PCI bus arbiter

4-word (16-byte) bidirectional PCI master FIFO (CPU = PCI bus master)

U13023EU1V0DSU1

12 3 4 5 6 7...109

中文翻译

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与VRC4373相关器件

型号	品牌	获取价格	描述	数据表
VRC470K/100MT/R	VISHAY	获取价格	Resistor/Capacitor Network, RC NETWORK, TERMINATOR, 1W, 47ohm, 0.00001uF, SURFACE MOUNT, S
VRC470K/150MT/R	VISHAY	获取价格	Resistor/Capacitor Network, RC NETWORK, TERMINATOR, 1W, 47ohm, 0.000015uF, SURFACE MOUNT,
VRC470K/220MT/R	VISHAY	获取价格	Resistor/Capacitor Network, RC NETWORK, TERMINATOR, 1W, 47ohm, 0.000022uF, SURFACE MOUNT,
VRC470K/220MTF	VISHAY	获取价格	Resistor/Capacitor Network, RC NETWORK, TERMINATOR, 1W, 47ohm, 0.000022uF, SURFACE MOUNT,
VRC470K/220MUF	VISHAY	获取价格	Resistor/Capacitor Network, RC NETWORK, TERMINATOR, 1W, 47ohm, 0.000022uF, SURFACE MOUNT,
VRC470K/330MT/R	VISHAY	获取价格	Resistor/Capacitor Network, RC NETWORK, TERMINATOR, 1W, 47ohm, 0.000033uF, SURFACE MOUNT,
VRC470K/470MT/R	VISHAY	获取价格	Resistor/Capacitor Network, RC NETWORK, TERMINATOR, 1W, 47ohm, 0.000047uF, SURFACE MOUNT,
VRC470K/470MUF	VISHAY	获取价格	Resistor/Capacitor Network, RC NETWORK, TERMINATOR, 1W, 47ohm, 0.000047uF, SURFACE MOUNT,
VRC470K/680MT/R	VISHAY	获取价格	Resistor/Capacitor Network, RC NETWORK, TERMINATOR, 1W, 47ohm, 0.000068uF, SURFACE MOUNT,
VRC470K/800MT/R	VISHAY	获取价格	Resistor/Capacitor Network, RC NETWORK, TERMINATOR, 1W, 47ohm, 0.00008uF, SURFACE MOUNT, S

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