VME64

series introduction

# Introduction to the VME64 Product Series

## 1. Overview
The VME64 product series is a significant advancement in the field of industrial and embedded computing. It builds upon the foundation of the VMEbus standard, which has been a cornerstone in the industry for reliable and high - performance data communication and system integration. VME64 offers enhanced features and capabilities that make it suitable for a wide range of applications, from military and aerospace to industrial automation and telecommunications.

## 2. Historical Background
The VMEbus standard was first introduced in the 1980s. It was designed to provide a modular and open architecture for building computer systems. As technology evolved, there was a need for increased data transfer rates, more memory addressing capabilities, and better system performance. This led to the development of the VME64 standard, which was an extension of the original VMEbus. It aimed to meet the growing demands of modern applications by offering improved electrical and mechanical characteristics.

## 3. Key Features

### 3.1 High - Speed Data Transfer
One of the most notable features of the VME64 product series is its high - speed data transfer capabilities. It supports data transfer rates of up to 80 MB/s in the basic configuration, which is a significant improvement over the original VMEbus. This high - speed data transfer is achieved through a combination of advanced bus arbitration techniques and optimized electrical signaling. For applications that require real - time data processing, such as radar systems and high - speed data acquisition, the VME64's fast data transfer rate ensures that data can be moved quickly between different components of the system.

### 3.2 Extended Addressing
VME64 provides extended memory addressing capabilities. It supports 32 - bit addressing, which allows for a much larger memory space compared to the original VMEbus. This is crucial for applications that require large amounts of memory, such as image processing systems and large - scale database servers. With extended addressing, the system can access more memory locations, enabling the execution of complex algorithms and the storage of large datasets.

### 3.3 Modular Design
The VME64 product series is based on a modular design concept. It consists of a backplane and a variety of plug - in modules, such as processor modules, memory modules, I/O modules, and communication modules. This modular design offers several advantages. Firstly, it allows for easy system expansion and customization. Users can add or remove modules as needed to meet the specific requirements of their applications. Secondly, it simplifies system maintenance and troubleshooting. If a particular module fails, it can be easily replaced without having to replace the entire system.

### 3.4 Compatibility
VME64 is backward - compatible with the original VMEbus. This means that existing VMEbus modules can be used in a VME64 system, providing a smooth transition for users who want to upgrade their systems. At the same time, VME64 modules can also be used in a VMEbus system with some limitations. This compatibility feature ensures that users can protect their existing investments in VMEbus technology while taking advantage of the enhanced capabilities of the VME64 product series.

### 3.5 Reliability and Redundancy
In many applications, reliability is of utmost importance. The VME64 product series is designed with high reliability in mind. It uses robust electrical and mechanical components that can withstand harsh environmental conditions, such as high temperatures, vibrations, and electromagnetic interference. Additionally, the system supports redundancy features, such as redundant power supplies and redundant communication links. These redundancy features ensure that the system can continue to operate even in the event of a component failure, minimizing downtime and improving system availability.

## 4. Applications

### 4.1 Military and Aerospace
In the military and aerospace sectors,

Images for reference

VME64-M

Image Preview

Datasheets

• VME/VME64x Drawing
• VME64-M
• VME64x Backplane_Web

Partlist