嵌入式應用程序通常需要使用標準的微機和定制的接口。????????????????????????
??? 本文講的是基于FPGA的原型系統的嵌入式應用程序。
　Embedded applications usually require the use of standard microcomputers and customized interfaces.Embedded applications usually require the use of standard microcomputers and customized interfaces. Performance of the computers often can not meet the requirement of the intended application. Combination of a standard microcontroller and a Field-Programmable Gate Array (FPGA) may lead to the solution in both prototyping systems and target, operational systems. In this article we describe a microcontrolleff FPGA-based prototyping system, called PROTOS, which provides a flexible and effective hardware/software co-design environment for embedded applications. The PROTOS is using software and hardware development tools present on a standard PC Windows platform. It also extends their capabilities enabling more flexible use of both implementation technologies and their combinations by employing flexibility of software and reconfigurability of FPGAs. ? 1997 Elsevier Science B.V.