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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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Problem with ADC and DMA

Posted on July 13, 2018 at 22:03Hello community! I've got a problem with DMA and ADC (multi channel). I can't find solution why function HAL_ADC_Start_DMA returns 0's to the 'adc_value' array. I have connected to Nucleo F466RE board 3 sensors, and i...

KSZ8863 RMII Interface and STM32f207 Communication

Posted on November 09, 2017 at 20:22Hello,I am currently using HAL library to interface my STM32F207 to a KSZ8863 switch using RMII Interface. The clock 25 Mhz provided externally which is then scaled to 50 Mhz to enable the interface. Now, I can re...

R B by Associate
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Error handling for UART RX with DMA

Posted on January 15, 2018 at 11:00Hello!I am using RX DMA with RX timeout detection (based on Efficiently receive UART data using DMA). Under normal condition, everything works fine, but I have problems with the error handing. My MCU is the F302R8 ...

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T B by Associate II
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Adding TIM7 (timer 7) with interrupt using STM32CubeMX

I tried to add TIM7 via CubeMX with interrupt on NUCLEO-H743ZI.CubeMX was able to create the init for the timer in the code but it didn't add the IRQ, didn't enable the IRQ and didn't add its callback.I added this code manualy.What I'm missing?

Yood by Associate II
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Waking up STM32L0 from LPTIM interrupt

Posted on July 13, 2018 at 03:12I'm trying to put STM32L0 into a low power sleep mode. I want it to sleep for 9.5s and wake up for 0.5s. Once it's awake it needs to switch on LEDs, check for any interrupts from a Lora radio module and process the da...

Ash G by Associate II
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How to use LPTIM in wakeup mode? L432KC

Hello. I would like to use low-power timer to wakeup from stop mode (1 or 2).My model is: start LPTIM, generate PWM from one TIM (general-purpose), wait for timeout in stop mode, then start LPTIM again, generate signal etc.I used demo for LPTIM (time...