【摘要】 文章分析了DS1251接口电路时序,结合数据处理芯片TMS320VC33,叙述了DS1251隐含时钟的读取过程,给出了电路接口电路和软件设计过程及流程,重点解决了低速外围与高速数据处理器的接口技术。文章所阐述的电路结构和软件设计方法实用可行,为其它高速CPU与低速外围的接口技术提供了一种有参考价值的方法。更多还原

【Abstract】 To resolve the interface technology of the low speed peripheral and high speed data signal processor is main purpose of this paper.This paper analyzes the timing of the interface circuit on DS1251 in details,introduces the characteristics of the TMS320VC33,meanwhile,introduces the process of the read phantom clock.The circuit structure and the software design method given by this article are feasible and provides a referenced method for other high speed DSP and the low speed peripheral equipment interface.更多还原