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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Problem with multiblock SDIO read/write on F1 & F4

Posted on January 03, 2013 at 22:11Hi everyone,Whenever I use either of the multiblock read/write functions the peripheral gets stuck in the SD_CARD_SENDING or SD_CARD_RECEIVING state, respectively. Further attempts to access the peripheral in this ...

stm32f0 discovery CAN bit timing

Posted on November 19, 2014 at 17:29Hello,I'm having problems with bit timing configuration. I have 36MHz peripheral clock and need 500kBit/s on CAN. I'm having trouble, because I've calculated right value but I see on the oscilloscope that it isn't...

urban by Associate
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WakeUp from STOP using an EXTI GPIO LINE

Posted on November 19, 2014 at 17:07I am having trouble to wake up the STM32F407 from the STOP condition using a GPIO EXTI line (PB 0).   The same GPIO line is used when the STM32 is ON to switch it OFF (THIS WORKS PERFECTLY) and whenever it is OFF ...

STM32f405 spi trouble with LSM9DS0

Posted on November 08, 2014 at 03:50the i-nemo forum is a little slow hopefully maybe i can get a faster answer here...I'm trying to interface with the LSM9DS0 and I can't get any coherent information from it. when I try to read the who am I registe...

tylere by Associate II
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DMA between GPIO and SRAM STM32f303VCT6

Posted on November 21, 2014 at 06:27Here I am trying to move the data at the SRAM location 0x20000010 into the ODR register of the GPIOE of STM32f303VCT6. But it is not happening for me(I an not see the data change in the ODR while debugging) . I do...

saumil by Associate
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STM32 Memory-to-Memory DMA transfer to 16-bit SRAM

Posted on November 03, 2014 at 10:17I have an STM32F429 connected via FMC to a 16-bit wide SRAM. I can read and write to the SRAM correctly using simple memory writes.DMA works correctly too when I configure it with two streams; one to send internal...

dohzer by Associate II
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Newbie Question on open source tools

Posted on November 20, 2014 at 21:48Hello - I would like to use STM32Cube w/open source tools.  Is there an app note, etc., for using this w/one of the open source tools (CooCox or Yagarto)?  Thank you much.  

rick2399 by Associate II
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Help targeting an STM32F4DISCOVERY

Posted on November 20, 2014 at 19:11Hi everyone, I am trying to download some code onto a development board and I know for sure that the code itself works correctly. But I'm getting an error saying that I haven't targeting the board correctly so I w...

Bluetooth HC-05 and STM32F4 Discovery

Posted on November 20, 2014 at 00:50 Hello i want to test my BT on Discovery board. I connected all pins correctly and build easy code for recive data and turn on the light.In my code i use this function to recive data on STM. if (USA...

samotan by Associate II
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STM32F2xx RTC: LSE Jitter problem

Posted on November 18, 2014 at 15:38Hello to all, For calibration I use Timer 5 Capture-Channel4 to measure the LSE Clock on a STM32F207 CPU. However the result was variing +- 20 Hz. To deviate external crystal issues I routed LSI to the Timer 5 cap...

andywild2 by Associate III
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