About gregstm

gregstm · 2025-02-09

I'm sure this is not the right place to ask for this, so apologies for that, but I have suggested this easy change every time the automated survey form comes up (I'm beginning to suspect nobody actually reads them....) Can we have an option that allo...

gregstm · 2023-01-08

I'm waiting for a STM32L4 LQFP48 micro that also includes a DFSDM to become available, it's not urgent and I've got plenty of other things to do. But I have noticed there are a lot of QFN48 parts available. Maybe ST could make an adapter as described...

gregstm · 2022-09-27

Just in case others have missed this feature (like I did). You can generate DMA at 32768Hz and even 65536Hz rates with the LSE if you use the "TIM15 input capture 1 is connected to LSE" option and set the timer to "input capture" mode and capture one...

gregstm · 2022-09-01

If I'm interested in the availability of STM32L4 chips that come in a LQFP64 package and also has a DFSDM interface, I use the "View all STM32L4 series products" and select the appropriate filters. I then get a list of 17 different micro variations. ...

gregstm · 2022-06-09

Yes, I have tried contacting the local ST sales reps here in Australia - no response.Sorry, I've resisted asking this question for a fair while because I know many have greater need. But I thought I would ask this question just in case there is a sec...

gregstm · 2025-02-10

Thanks for your answer. I still think a "Posts per page" option at the top of the page would be very useful - especially for non members or if you can't login for some reason. I have my browser delete cookies after every browser session, I have tried...

gregstm · 2025-02-05

I've always used LQFP parts up (to 100 pins) because I can hand solder them and I can get away with a two layer board (using the bottom layer mostly as a ground plane). I have dreamed of using a BGA for its small size but I think it is a game for the...

gregstm · 2025-02-04

You could toggle different IO pins in each of the interrupt handlers. Set the IO at the start of the interrupt handler and reset it at the end of the handler - that way you can check how often the handler is called and how efficient/inefficient the c...

gregstm · 2024-12-11

DMA is an extra helping hand. It can transfer the data to the DAC at regular intervals determined usually by a timer. You can use the half-transfer and transfer complete interrupts to update/modify one half of the buffer while the DMA is working in t...

gregstm · 2024-12-08

I used Murata 603 (inch) size ferrite beads on my board (I assume and trust that you are talking about surface mount ferrite beads and not the ones you pass a wire through). There seemed to be more application notes around years ago when I was first ...

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Posts per page option please. Allow 20, 50, 100.

QFN48 to LQFP48 adapter thought

How did I miss this? 32KHz/64KHz DMA using LSE

Is there an easier way to search for micro availability (at distributors) based on peripheral requirements?

My kingdom for some samples! (STM32L4 + LQFP48 + DFSDM)

Re: Posts per page option please. Allow 20, 50, 100.

Re: LQFP vs BGA hand soldering?

Re: While(1) Not Executing

Re: I need to generate sinusoidal signal with DAC and DMA, how to do it?

Re: Using Ferrite Bead for VDDA pin