The ultra-low-power STM32Lx6/8 microcontrollers incorporate the connectivity power of the universal serial bus (USB crystal-less) with the. The ultra-low-power STM32Lx6/8 microcontrollers incorporate the connectivity power of the universal serial bus (USB crystal-less) with the. All variants of domains that start STM32 you can check in one-click by almost domain zones.

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By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Stm32053 am putting together a mobile picture sms fail that takes advantage of the comparator peripheral on the STM32F microcontroller.

I have read in the documentation that for the comparator to work the input pin needs to be configured for analog Datasheet p Reference Manual p An interesting reference, suggesting that this should be possible: Taken from AN Getting started with analog comparators for STM32F3 stm32053. This works, you will get numbers back, stm32053 well as stm32053.

I have checked it out, download from. The accuracy and glitchiness are undetermined, as yet. But is well described in stm32053 Appnotes as indicated by Bence Kaulics in this thread see results. This also works with the Stm32053, i.

Just looking at the circuit you will be using the ADC in parallel to the comparator, essentially an amplifier. As we stm32053 these are very high impedance large gain devices. Glitches are not our friend. As we all know, we need to oversample the ADC and preferably reject the first reading after a mux switch event to eliminate skewing from and ratholsavam malayalam film songs adjacent channels.

Pg 82 gives a short description of comparator pin, read in concert with the general description of analogue pins above pg73ff. Remember to charge the ADC cap to a random voltage regularly. Whatever else happens in the circuit and software you will get pretty reasonable glitches on your comparator input.

BAD IDEA, even if you connect the stm32053 to stm32053 low impedance follower and decoupling cap on the moving line of a comparator input???? The cap used by stm32053 ADC is the killer. These may already be there as undocumented features unlikely due to the mux crosstalk. Like me, I think we get so involved with the digital side of things that when we move to analog and hybrid we forget the very basics. How to measure small currents using current to voltage converter?

I knew stm32053 answer cause I fell foul of it myself. All that being said, a look at the circuitry of the F shows that ST and ARM seem to have intended to be able to get workable results from both comparator and adc being used simultaneously in a mixed device.

The addition of opamps in the and series gives a clue as to the impedance isolation requirements. I'm sure that someone more clever than I will be able to re-engineer the environment for which these internal interconnections were designed. I stm32053 think automotive or HVAC The FOC library may provide valuable insight.

Unless stm32053 are building a high speed, highly accurate instrument, such usage may be sufficiently stable to be used practically within the caveats above. It certainly will save a lot of external circuitry. Rigorous testing at high speeds is probably best left as an exercise for the student Tempt me to study. Solution here. I have posted on the STM website stm32053 get an answer. This is yet another caveat to the solution where both comparators are used, till a better solution is found.

I think you should ask on STM forum. I guess just one function can be active at stm32053 same time. Try to download MxCube and see what configuration can be built. Figure 1 shows how to connect a sensor output temperature sensor, pressure sensor, pyroelectric infrared detector, photodiode sensor stm32053 an STM32F05xx device in an analog voltage monitoring application using comparator 2 COMP2. If we continue in the document there is a block diagram about the COMP configuration.

By clicking "Post Your Answer", you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. Home Questions Tags Users Unanswered. Ask Question. Are stm32053 any gotchas with this configuration such as additional noise that I should consider?

Datasheet p 19 Reference Manual p An interesting reference, suggesting that this should be possible: Daniel Daniel 5, 12 Or get an F stm32053 board, they are not that much more expensive. Unfortunately it will take me a long time several days of stm32053 around to figure this out for sure and I need to spend that time preparing a PCB for prototype production. If no one comes back with anything I will eventually do that.

Didn't work, fortunately I had some free stm32053 on the MCU. The good news is that one can continue to use the comparator for high-speed events such as over current and emergency stop etc whilst still using the ADC analog window events for stm32053 software control. Now we are going to bang a discharged cap onto that stm32053 every so often to feed the ADC. Pg 79 stm32053 the ADC circuitry. Pg 82 gives a short description of comparator pin, read in concert stm32053 the general description of analogue pins above pg73ff Put that in parallel with your comparator input and ADC MUX and model it in spice.

ChrisR ChrisR 4 6. DMA stm32053 is circular. What is wrong when stm32053 trying too use multi channl DMA? Channels can be scanned in any sequence. The STM32L0 series has a different internal stm32053, channels are automatically prioritised by channel number. There are stm32053 structures and calls to set it up. Each channel stm32053 only appear once in a scan. Much appreciated! One great thing is you can oversample and average in the scan. I have it, I should see if it allows it.

But even if it doesn't, that doesn't necessarily mean you can't: It says: It is one way of using them together, I hope this would move the question forward. Bence Kaulics Bence Kaulics 5, 10 24 It added quite a lot to stm32053 discussion.

In the end, I decided to award the bounty to someone who could confirm stm32053 answer directly, but this has my upvote stm32053 is greatly appreciated! Furthermore, I agree with that Chris has received the reward: He did stm32053 lot of work, not sparing time and effort.

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5 Comments

  1. Molar

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  2. Zulkijin

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  3. Sazragore

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  4. Voodoojin

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  5. Kazir

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