ST STM32F101 series Reference Manual page 242

Advanced arm-based 32-bit mcus

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Bit 2 CAL: A/D Calibration

This bit is set by software to start the calibration. It is reset by hardware after calibration is

0: Calibration completed

1: Enable calibration

Bit 1 CONT: Continuous conversion

This bit is set and cleared by software. If set conversion takes place continuously till this bit is

0: Single conversion mode

1: Continuous conversion mode

Bit 0 ADON: A/D converter ON / OFF

This bit is set and cleared by software. If this bit holds a value of zero and a 1 is written to it

then it wakes up the ADC from Power Down state.

Conversion starts when this bit holds a value of 1 and a 1 is written to it. The application

should allow a delay of t

0: Disable ADC conversion/calibration and go to power down mode.

1: Enable ADC and to start conversion

Note: If any other bit in this register apart from ADON is changed at the same time, then

conversion is not triggered. This is to prevent triggering an erroneous conversion.

DocID13902 Rev 15

Analog-to-digital converter (ADC)

between power up and start of conversion. Refer to

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