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Resolved! RTC Alarm Register Corruption

We have been using an STM32L476 in a product that schedules periodic wake times. Recently we have discovered a bug where the unit will go to sleep and never wake back up. What we have noticed is after generating another interrupt to wake the unit up ...

STM32L431RCT reads out Zero Value from ADC after EMC/ESD Testing. After a manually disable and enabling adc cycle everything is fine again.

Do you have any ideas what's going on with STM32L431RCT. After ESD Testing ADC of STM32L431RCT reads back 0 Values at all Input Channels. A manually disable and enabling cycle in debugging mode helps. ADC is reading values then correct again.We also ...

MGehr.3 by Associate II
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Resolved! How does an uninitialized local pointer work in STM32?

I have the following bug in my project and cannot figure out why.In one function I was using an uninitialized pointer variable to receive data from another function. For some reason it works which I think shouldn't. The code is like this:funcA{ m...

zzzzz by Senior
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  • 2 replies
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Resolved! LED Example program for initial steps with eval board

I hate being stupid, but I'm trying to get a nucelo-stm32LR76RG eval board working. I have the cubeide and cubemx software installed. I also have the associated example programs loaded. The board comes shipped with a program that makes the led blink ...

Why does the advanced timer PWM CH1 output affect CH2N?

This is my simulation output waveform.They are CH1, CH1N, CH2, CH2N, CH3, CH3NIt can be seen that CH1, CH2, and CH3 are all normal, but the complementary waveforms will be affected by other channels.How can I configure it?I want to use multi-channel ...

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WFan.1 by Associate
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  • 1 replies
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STM32F7508-DK UART Tx/Rx Stoppage

With my STM32F7508-DK board, I am interfacing to a BLE board over UART without hardware flow control. Due to pin conflicts, RTS/CTS is not available on that board. My primary issue is when BLE board sends 10K text buffers, STM32F7508-DK UART stops Tx...

EAlta.1 by Associate
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  • 1 replies
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