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Forum Posts

How to boot from SRAM on STM32L053

Posted on January 03, 2017 at 13:10I have Nucleo-L053 with STM32L053 onboard. I want use SRAM for debug programs, not Flash (only 10000 rewrite-cycles :). But this MCU has only 1 pin 'Boot0'. How I can boot load to SRAM and then boot from here?I red...

Resolved! HSE in BAM mode in STM32H7

Posted on October 23, 2017 at 22:19Hello,I want to use the BAM mode, and more specifically, D1/D2 in DSTANDBY, while D3 is in RUN mode. In this mode i want to have ADC3 sampling 3 channels, and transfer the results to RAM using BDMA. From what i can...

stm32f103ret6 bootloader cannot go to application correctly

Posted on November 28, 2017 at 14:34Hi,In my stm32f103ret6 bootloader firmware, I am able to load the application code to memory area 0x08009000 to 0x08011BE0.The linker file of bootloader specifies: define symbol __ICFEDIT_intvec_start__ = 0x080000...

Jian Chen by Associate II
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STM32F7 SDRAM Initialization and usage

Posted on November 22, 2017 at 04:40Hi,I would like to know how to set parameters in SDRAM Initialization. You can refer to document too.From  FMC_SDRAM example project,In STM32F769-EVAL, hsdram.Init.SDBank = FMC_SDRAM_BANK1; hsdram.Init.ColumnBitsN...

[BUG?] STM32F3 CAN transmit timeout

Posted on May 12, 2016 at 03:48Hi, I just noticed another oddity in the CubeMX HAL drivers: when I send a CAN message on an empty bus the function HAL_CAN_Transmit(...) waits in a loop for the timeout and then cancel the sending of the frame:/* Chec...

SPI doesn't transmit any data

Posted on November 17, 2017 at 10:44Hello everyone,I'm trying to verify wether my SPI transmits data or not, based on the SPI simulink demo project which is provided by STM32 MAT/TARGET.Since my borad is STM32F4 Discovery Board, which is different f...

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Sam Q. by Associate III
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STM32F103 hardware peripheral reference design

Posted on November 29, 2017 at 11:27I need schematic of  X-NUCLEO-LPM01A expansion board or a hardware peripheral schematic for reference. I am designing a handset,  It compose a mono graphic/character LCD, CAN interface and K-line interface.

Tang Jin by Associate
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I2C and UART on STM32F429 (Nucleo-F429ZI)

Posted on November 29, 2017 at 11:14I encountered a strange I2C - UART Collision problem and wonder if there is something I missed in the Documentation.Problem and what I tried to solve it: I2C and UART work fine and permanent when I initialize onl...

How to use STM32CubeMX's 'pin stacking' function

Posted on September 13, 2017 at 12:35In the latest version, I find there is a 'pin stacking'  choice when configure a pin. But I can't find any description of this function. What's the purpose of this function and how it work?#pin-stacking