STM32 MCUs Products

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STM32F7 DMA fails to write to SRAM

Posted on April 19, 2016 at 15:05 We've ran into a very strange DMA issue recently as we have been expanding our code. We noticed this problem after adding some new libraries which use up a lot of ram, which caused our existing spi+dma drivers s...

Bit-banding AHB2 in STM32L4. Is it possible?

Posted on April 19, 2016 at 11:33Bit-banding is a fine approach for manipulating bits, especially GPIO. In STM32L476 GPIO are located in AHB2 address space. However, AHB2 address space is located far beyond bit-band  region: 0x40000000   APB1, APB2,...

serafim by Associate II
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Possible wrong configuration for FMC with Cube

Posted on April 19, 2016 at 12:26Hi,I am reading the RM0090 about the FMC configuration since I want to interface an stm32f427 with a SRAM through the FMC controller. At some point in the manual it is reported a figure that represents the memory arr...

valerio2 by Associate II
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undefined symbol stdout_putchar from retarget.c

Posted on April 19, 2016 at 14:52I created a keil MDK5.0 project based on STM32F030K6 and discovery and I check the option for retargetin stdio, getting this errorwhat am i missing? should i manually link some missing library? plz helpthanks

stanzanim by Associate III
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STM32f30 EOC flag

Posted on April 19, 2016 at 12:59Hello, i have a question about ADC operation and EOC flag on stm32f30 mcu. Let'say i have a single conversion mode and i want to read 5 channels (let's also say that for some unbelievable reasons i can't use DMA for ...

STM32Cube migration issue

Posted on March 19, 2016 at 14:59 Hello! After regenerating the project created from previous version of the CubeMX, using new version (4.1), some user defined code has been lost in stm32f1xx_it.c file (image with diff is attached) ...

STM32F745 First pin location

Posted on April 18, 2016 at 14:42Hi,I'm trying to  launch a new board with STM32F745ZGT6 (LQFP144). I see, that MCU case looks slightly differ to the one presented in datasheet on page 207 DocID027590 Rev 4. So I would make sure for the proper posit...

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chwila by Associate
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