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TMS320F280049C: TIDA-00961:关于“TIDA-00961”解决方案中的电流采样电路,有几个疑问?

Part Number: TMS320F280049C

按照该电路所示,Vo=3Vr-2Vi,则Vi = (3Vr-Vo)/2;若按照该公式,则与Ti提供的代码无法匹配。