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msp430f2370的slope ad电路 外围电路怎么设计?
可参考 slaa129 - Implementing An Ultralow-Power Thermostat With Slope A/D Conversion
参考这个:
MSP430徽控制器系列讲座(2)基于SlopeAD实现的超低功耗温度控制仪
http://www.deyisupport.com/files/m/msp430/11488.aspx
其实不要被表象误解,这里说的Slope AD并不是一个真的ADC,只是通过Timer整形采样不同路的RC震荡周期,用一个标准的电阻算出被测电阻的阻值。对片内没有ADC的430,如果不是这样的应用,可以用比较器实现ADC。