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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UART DMA TX/Rx problem w/ STM32F722 example

Posted on February 14, 2018 at 01:55Hello,I have a program using serial UART communicatons. I based the UART code on the example code UART_TwoBoards_ComDMA.  The system seems to work correctly when it is in command/response mode.  That means, I can ...

Reading 2 ADC Channels and Outputting Over USART

I'm new to working with STM32's so if I make any mistakes please let me know. I have the STM32F446RE Nucleo board and I'm trying to read two ADC channels (IN15 on GPIOC_05 and IN14 on GPIOC_04) and output the ADC values over USART 1 channel as fast ...

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PAbdu by Associate II
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How to flash custom Sigfox credentials

Hi,I am working on a custom device, based on Murata CMWX1ZZABZ, running both Sigfox and LoRa.Regarding Sigfox, I would like to use my own Sigfox Credentials, acquired direclty from Sigfox (not from Murata). However, the only documented process I can...

Slan by Associate II
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How to set VTOR in startup script

I'm using an ST part that has 2 banks of flash memory. I've built a code image for the second bank and downloaded it through the debugger. I've changed the startup script to set the VTOR register to the value needed for the second bank, with the line...

LThal by Associate II
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  • 1 replies
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Resolved! internal pullup resistor when power off

Hello,I wonder if I use the internal pullup resistor on an STM32F4 on an open-drain output, if the MCU is reset with the line NVIC_SystemReset(), does the internal pullup resistor with open drain output will still be seen by another IC connected to t...