This document shows how to use the ADC portion of the ASP module of the MC68SZ328 to build a battery voltage detection circuit with an accuracy of approximately +/- 20mV at the 3V to 4.2V
Battery Voltage Detection using the MC68SZ328
This document shows how to use the ADC portion of the ASP module of the MC68SZ328 to build a battery voltage detection circuit with an accuracy of approximately +/- 20mV at the 3V to 4.2V