5.5.9 Read ADC Input Voltage or Query Battery Voltage

Read the current voltage level. The unit of response is 0.001V. An analog signal can be provided as an input to the RNBD350 module at the ADC pin (PB7). The RNBD350 module does the ADC conversion using a fixed reference and provides the digital value. Prior to initiating the Read ADC Input Voltage command, the user has to configure the factors of voltage detection using the Set ADC reference Factors command (S@,<hex16>,<hex8>) or (SBVF,<hex16>,<hex8>) command. Use the factors to get the actual ADC voltage. This command expects the reference voltage and bias voltage percentage as input parameters. For more details, refer to Set ADC Reference Factors or Set Battery Voltage Factors.