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DUAL-MCU CONTROLLING MULTI-CHANNEL ANALOG SIGNAL ACQUISITION DEVICE
DUAL-MCU CONTROLLING MULTI-CHANNEL ANALOG SIGNAL ACQUISITION DEVICE
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机译:双MCU控制多通道模拟信号采集装置
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摘要
A dual-MCU controlling multi-channel analog signal acquisition device is composed of the following modules: the first microcontroller module, the second microcontroller module, the first multi-channel A/D converter module, the second multi-channel A/D converter module, logic not gate, programmable multi-channel selector composed of CPLD, the first multi-channel analog input interface and the second multi-channel analog input interface. The general input output P0 port of the first microcontroller module is connected to the data bus DB port of the first multi-channel A/D converter module. The INT pin of the first multi-channel A/D converter module is connected to the INTl pin of the first microcontroller module. The dual-MCU samples the analog signals alternatively with a good performance on real-time and maintainability.
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