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The micro-computer data collecting system circuit(AD7501, AD

2015-01-02 13:16  
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The micro-computer data collecting system circuit(AD7501, AD582 and AD1408)
The micro-computer data collecting system circuit composed of AD570, AD1408 and micro-processor CPU8155 is shown in the figure. The circuit under test has 8 channels, each channel is tested in sequence, the scanning of each channel is not more than 50μs, the system logic LEV is TTL, binary system code, the data transmission is parallel.