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thansen
Associate II
since ‎2024-10-09
‎2025-02-10

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STM32H533 ADC VDDA, VREF+ and input voltage range

2025-02-07
I'm a little confused about the descriptions of the ADC VDDA, VREF+ and input voltage range.Do I understand it correctly thatVDD is the device supplyVDDA is the ADC supplyVREF+ is the ADC referenceIt says VREF+ can be supplied internally as 1.8 V, 2....

VIPer0P on/off questions

2024-12-09
The description of the on and off pins is not complete. What happens if both are active at the same time? Does one pin have higher priority than the other? Is it possible to turn the device on/off just using one of the pins letting the other one unco...

Viper01 or Viper0P startup voltage

2024-12-09
Is it possible to start either of these Vipers up earlier than their stated HV startup voltage by sourcing VCC manually (external supply) from the Vin voltage?

STM32H523CE RTC wakeup

2024-10-09
I want to use the on-board RTC while all power (except VBAT which will be connected to a battery) is turned off to retain the clock.Is it possible to power the on-board RTC from VBAT and turn off ALL other supplies?What will happen after the other su...
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