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本文介绍用国产DJS—051微处理机实现2.4Kbit/s和4.8Kbit/s两种串行速率的声码器编码。提供实时实现全部方案的程序流程图。对微机应用于实时系统中的一些关键问题,例如同步启动、中断子程序的嵌套和实时程序的调试方法等均作了说明。
This article describes the use of domestic DJS-051 microprocessors 2.4Kbit / s and 4.8Kbit / s two serial rate vocoder coding. Provide real-time program flow chart to achieve all programs. Some key issues of microcomputer application in real-time system, such as synchronous start-up, interrupt subroutine nesting and real-time program debugging methods are described.