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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External loader : SectorErase function is missing

Hello there!I'm trying to build an external loader for STM32H7, so I can use a NOR FLASH in XiP mode, but following the AN and the examples in CubeProgrammer folder, I'm getting the message:STM32CubeProgrammer API v1.4.0External loader : SectorErase ...

Peaga by Senior
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USART with 7 data bits

Hi all!I am using STM32F427 with HAL. I have to communicate with other devices using communication protocol over RS-232 interface (USART). The protocol is using 7 data bits, odd parity. I am struggling to make it work. There is a setting for WordLeng...

Trouble Getting Peripherals to Work... At All

I have a custom board based on STM32H753. It has SDRAM, SD card slot, a couple of I2C peripherals, some GPIOs going to LEDs and a handful more that go to CPLDs which interface to another part of the system.I am not using generated HAL code or CubeMX ...

GSell by Associate
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Programming arrays of STM32 MCUs

Still struggling with this so hopefully somebody can help me. As far as I can work out the STM32(H7s if it matters) need three pins (TCK, TMS & NRST) plus a common ground to be programmed from another MCU. I can't dedicate three pins on the master ...

MikeDB by Lead
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STM32H750 in Europe

Are these parts US only?? I need 4 or 5 for prototyping.MOUSER: Will not ship outside USADIGIKEY: Will not ship outside USAST online: $70 postage to Europe. From USA. What else do you expect from a """European""" company.FARNEL : No not stock itRUTRO...

pr242 by Associate II
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Simple SPI Controller Behavior Question

Am I correct in thinking that an SPI controller in master mode connected to nothing else will send a clock burst whenever it is transmitting?I am troubleshooting an SPI application and it seems as if the master is never transmitting. When I scope SC...

PCROP becoming enabled

We ran a batch of boards with an STM32F401CE on them (this was not the first run of these boards or using this processor).After loading application code, about 10% of the boards became unresponsive. Looking into it we found in the option bytes on th...

BBrie by Associate II
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STM32H750 SAI interfaces

It was suggested I look at this part as it's definitely superior to the F730. However I can't see how to use the SAI4 interface because its SCK_A and SCK_B pins are shared with those of SAI1. Am I missing something or does this preclude using both ...

MikeDB by Lead
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