Analog-to-digital converters (ADC) RM0351
428/1693 DocID024597 Rev 3
• Start-of-conversion can be initiated:
– by software for both regular and injected conversions
– by hardware triggers with configurable polarity (internal timers events or GPIO
input events) for both regular and injected conversions
• Conversion modes
– Each ADC can convert a single channel or can scan a sequence of channels
– Single mode converts selected inputs once per trigger
– Continuous mode converts selected inputs continuously
– Discontinuous mode
• Dual ADC mode for ADC1 and 2
• Interrupt generation at ADC ready, the end of sampling, the end of conversion (regular
or injected), end of sequence conversion (regular or injected), analog watchdog 1, 2 or
3 or overrun events
• 3 analog watchdogs per ADC
• ADC supply requirements: 1.62 to 3.6 V
• ADC input range: V
REF–
V
IN
V
REF+
Figure 58 shows the block diagram of one ADC.
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