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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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Resolved! STM32H7 M7 to Update M4 flash area

Hello community! I am developing an app that is running in an H7 MCU, the M7 core app is "turning on" the M4 and then is running to an external flash where is the actual M7 code.I am looking to implement an update in this M7 "bootloader". As i unders...

urbito by Senior
  • 1093 Views
  • 7 replies
  • 1 kudos

Question about I2C TXIS bit in stm32g071rb

Hello, I'm studing I2C on stm32g071rb and I have a question about it.In the datasheet there is this line: "In the case of a write transfer, the TXIS flag is set after each byte transmission, after the 9th SCL pulse when an ACK is received", but for t...

dmrsim by Associate III
  • 1617 Views
  • 6 replies
  • 1 kudos

Resolved! ADC with DMA restart

Hello,I'm using ADC together with DMA.At first start of ADC and DMA all worked like expected.At 2nd and following starts, the first value received from DMA is always zero / invalid.Now I have found out that it works if between two DMA transfers I use...

jhoerd by Associate II
  • 1161 Views
  • 7 replies
  • 0 kudos

STM32H753 FDCAN1 RX FIFO 1 concern

Hi All,I have a peculiar observation in one of our legacy codes, wherein I do not observe RX FIFO 1 callback being triggered.I observe hfdcan1.Init.ExtFiltersNbr is set to 0 and HAL_FDCAN_ConfigFilter() is NOT called. I am unaware if this is purposel...

Resolved! STM32G473 executing from FLASH while programing FLASH

Hello,I'm having an issue while programming a small section of FLASH memory during runtime of my device.Our device executes its program from FLASH memory. In-addition, we reconfigured the systick timer to run at 20kHz and this is the heartbeat of our...

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Resolved! STM32U599 SPI1 EOT flag not updating

I am using `HAL_SPI_Transmit_IT()` API to transmits 6 frames. The TXP interrupt correctly fires and feeds the TXDR register however after feeding the last frame into TXDR the EOT never fires, actually no interrupt fire after the last frame is feed.Fr...

desmond by Associate III
  • 2224 Views
  • 15 replies
  • 3 kudos