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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! STM32H743 + QSPI for AD7616

My development environment is stm32cubeMX and IAR.1.Init QSPI2.Read data via QSPIif the DummyCycles = 0,the program is running abnormally.if the DummyCycles over 2,the program is normally.int main(void){ /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ ...

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wqw.1 by Associate II
  • 887 Views
  • 3 replies
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Using CAN2 (slave) without CAN1 (master)?

Hi, I have just received a custom PCB using STM32F413RG (64 pin package) for a university design competition. We are using a single CAN bus (CAN2) for this PCB. I was trying to get CAN communication working and I only managed to get some junk data fr...

3pak by Associate II
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  • 7 replies
  • 2 kudos

How to receive CAN messages inside Timer interrupt.

I use STM32F105RCT6, Where I need to receive CAN data inside a timer interrupt. Also, the IRQ number of the CAN is lower than that of the timer. CAN message is filled to the FIFO0 but "HAL_CAN_RxFifo0MsgPendingCallback(CAN_HandleTypeDef *hcan1)" is n...

SPeri.1 by Associate II
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  • 3 replies
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SPI write and reading from PN532 using HAL not working

I am working on a project to communicate with PN532 nfc reader.The reader work just fine with arduino code using SPI.Below is the library I used to read and write data from PN532https://github.com/adafruit/Adafruit-PN532Now I switched to stm32 board ...

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KYou.1 by Associate II
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  • 2 replies
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Missing I2C STOP condition

RM0394 (STM32L4..) in section 37.7.2 describing I2C_CR2.START bit states:"setting this bit generates a START condition once the bus is free"Section 37.4.8 reads:"the master automatically sends the START condition followed by the slave address as soon...

I2C-STOP.png I2C-NO-STOP.png I2C-STOP-START.png
TDJ by Senior III
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  • 3 replies
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