为了简化讨论，这个文件只探讨作为触摸屏使用的模拟信号处理器模块。
To simplify discussion, this document discusses using the ASP module as a touch screen only.
说明书描述了电阻式触摸屏是怎样工作的以及模拟信号处理器模块怎样被用来连接不同型号的触摸屏。
This application note describes how resistive touch screens work and how the ASP module can be used to interface to different types of touch screens.
测试系统中采用了以数字信号处理器为核心，以复杂可编程逻辑器件为外围电路，来控制执行部件和测试与接收由外部返回的数字信号、模拟信号和开关信号。
Testing system, in which DSP is the part of core and CPLD is as peripheral circuit, controls operation parts, and test or incept the digital signal, analog signals and switch signals from exterior.
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