A.大于0.45v B.小于0.45v C.等于0.45v D.接近0V
A.TPS1=5.00V,TPS2=0V B.TPS1=2.00V,TPS2=3.0V C.TPS1=0.2V,TPS2=4.8V D.TPS1=4.0V,TPS2=2.01V
A.APP1=1.00V,APP2=0.51V B.APP1=1.51V,APP2=3.02V C.APP1=2.00V,APP2=3.00V D.APP1=5.01V,APP2=2.50V