19.6.2.4 Sleep Mode Operation

The Voltage Reference output and the Temperature Sensor output behavior during sleep mode can be configured using the Run in Standby bit and the On Demand bit in the Voltage Reference register (VREF.RUNSTDBY, VREF.ONDEMAND), refer to the table below:

Table 19-1. VREF Sleep Mode Operation
VREF.ONDEMANDVREF.RUNSTDBYVoltage Reference Sleep behavior
00Always run in all sleep modes except Standby Sleep mode
01Always run in all sleep modes including Standby Sleep mode
10Only run if requested by the ADC, in all sleep modes except Standby Sleep mode
11Only run if requested by the ADC, in all sleep modes including Standby Sleep mode