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使用AT90S8535 带A D转换器的AVR微控制器和AT
消耗积分:5 |
格式:rar |
大小:199 |
2009-05-23
世态薄凉
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This application note describes how to record, store and play back sound using any AVR microcontroller with A/D converter,the AT45DB161 DataFlash memory and a few extra components.
This application note shows in detail the usage of the A/D Converter for sound
recording, the Serial Peripheral Interface (SPI) for accessing the external
DataFlash memory and the Pulse Width Modulation (PWM) for playback. Typical
applications that would require one or more of these blocks are temperature
loggers, telephone answering machines,or digital voice recorders.
This application note shows in detail the usage of the A/D Converter for sound
recording, the Serial Peripheral Interface (SPI) for accessing the external
DataFlash memory and the Pulse Width Modulation (PWM) for playback. Typical
applications that would require one or more of these blocks are temperature
loggers, telephone answering machines,or digital voice recorders.
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