Interfacing in microprocessor-based systems with a fast physical addressing

The 3rd IEEE International Workshop on System-on-Chip for Real-Time Applications, 2003. Proceedings. Pub Date : 1900-01-01 DOI:10.1109/IWSOC.2003.1213024

M. Maamoun, A. Benbelkacem, D. Berkani, A. Guessoum

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引用次数: 6

Abstract

This work develops a new technique for interfacing the data exchange between the microprocessor-based systems and the external devices. This technique exploits the great capacity of interfacing of Extended Physical Addressing and uses the technique of Direct Memory Access (DMA), increases the frequency of the new bus and improves the speed of data exchange. This Fast Physical Addressing, based on the use of software/hardware system in the microprocessor-based system, has two aims. First, the management of a large external memory capacity, with a reduced use of physical addresses of the microprocessor-based system. Second, the increase of the data exchange speed compared to the Extended Physical Addressing. While using this architecture in microprocessor-based system or in computer, the input of the hardware part of our system will be connected to the bus system, and the output, which is a new bus, will be connected to an external device. The new bus is composed of a data bus, a control bus and an address bus.

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基于微处理器的系统中具有快速物理寻址的接口

本工作开发了一种基于微处理器的系统与外部设备之间数据交换接口的新技术。该技术利用扩展物理寻址的巨大接口容量，采用直接存储器存取(DMA)技术，提高了新总线的频率，提高了数据交换的速度。这种基于软/硬件系统在基于微处理器的系统中使用的快速物理寻址有两个目的。首先，管理大的外部存储器容量，以减少使用基于微处理器的物理地址为基础的系统。第二，与扩展物理寻址相比，数据交换速度的提高。在基于微处理器的系统或计算机中使用这种体系结构时，我们的系统的硬件部分的输入将连接到总线系统，输出是一个新的总线，将连接到外部设备。这种新型总线由数据总线、控制总线和地址总线组成。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The 3rd IEEE International Workshop on System-on-Chip for Real-Time Applications, 2003. Proceedings.

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