Figure 2. Sensor Output Connection To Comp1; Figure 3. Power Consumption In An Analog Voltage Monitoring Application - STMicroelectronics AN3248 Application Note

Analog voltage monitoring
Figure 2
comparator 1 (COMP1). COMP1 shares the same inputs as the ADC which reduces the
number of required pins. Nevertheless, the threshold is fixed to V
Figure 2.
1. Legend for
COMP1_INP/ADC CHx: comparator 1 non-inverting input shared with ADC channel x
2. Only if required.
Figure 3
Figure 3. Power consumption in an analog voltage monitoring application
1. Legend for Figure 3
S: Stop mode
R: Run mode
6/19
shows how to connect a sensor output to an STM32L15xxx device using
Sensor output connection to COMP1
Figure 2
shows the gain in power consumption in an analog monitoring application.
Doc ID 17758 Rev 1
AN3248
.
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