STM32 MCUs Products

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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! ADE9000 COMMUNICATION PROBLEM WITH STM32F401

I have setup a base board of ADE9000 With only Basic Components connected, Like Bypass capacitors, Reset pullups and connected SPI Directly with the STM32F401 Blackpill board , Everything starts-up perfectly.So I want to check the communication betwe...

Caan by Associate III
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  • 5 replies
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Resolved! stm32f746 ETHERNET issue

Hi, Could anyone help with this problem? Its driving me mad!!! I have designed an ethernet interface  for an F746-100 MCU I have changed pins to avoid using Port G and I have used the  circuit below. The RJ45 connector is a standard RB1-125BAG1A and ...

STM32F4 Possible to disable CAN bootloader?

I have a product that contains 2 STM32F405/07/15/17 series MCUs. There are 2 because we need 4 CAN and that's cheaper and easier than finding a 4 CAN MCU. Anyways, the main MCU is connected to the secondary MCU via UART and the boot/reset pins so tha...

LLawr.1 by Associate II
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  • 2 replies
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STM32H7 ECC IRQ

I am trying to understand how the ECC IRQs work.  I have configure the RAMECC1 AXI SRAM, RAMECC2 SRAM1, 2 and 3, and RAMECC3 SRAM 4 monitor CR registers to generate interrupts on double bit errors.  I have configured the IER so that Global interrupts...

NBrick67 by Associate II
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  • 1 replies
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Resolved! ISR function timing period issue

Hi        We are working on STM32H503 MCU which has ARM Cortex 33. In datasheet it is provided that 12 cycles or instruction to enter into an interrupt function. Configured system clock as 250MHz, with that we could reach an interrupt function within...

I2C slave does not Ack when not in Debugging mode

I am trying to make an I2C slave that returns a fixed number of bytes to master upon being called with a read from the master (7Addr-Bits+1Read-Bit). In Debug-Mode it works, in normal run, it doesn't.I have thrown almost any HAL-functionality out, an...