STM32 MCUs Products

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Forum Posts

How to run custom bootloader...?

Posted on March 10, 2017 at 10:43Hi ,I'm writing one custom  bootloader which sits on top of actual serial bootloader . when I pull boot0 to low my custom booloader should run instead of running main application. Please give me some suggestions for ...

sudhan j by Associate II
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  • 2 replies
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QuadSPI with STM32L4 and Micron-QSPI-Flash

Posted on December 22, 2016 at 14:38I use a STM32L4 with a Micron N25Q032A (32 Mbit, 4Mx8). I have some Questions about this or similar Micron-Chips and hope to get here some Hints. After a PageWrite (Command 0x12 QUAD_IN_FAST_PROG) you have to pol...

Nor Sch by Associate III
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  • 4 replies
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UART AND STOP1 MODE

Posted on March 08, 2017 at 17:10I'm developping an application based on STM32L475. In this application I'm controlling a device that is managed via UART2 interface with AT commands. This device is correctly working in run mode but problem comes whe...

Resolved! STM32F3 Motor Timer Idle Setting / MOE Bit HAL Problems

Posted on March 09, 2017 at 17:00 I'm currently working on a Motor Controller using the STM32F3. I need the ability to start and stop the motors and, in particular, the ability to switch from moving to stopped and free-wheeling. It would seem tha...

Some questions about USART operationi

Posted on March 09, 2017 at 08:34Hi,I want to know more about USART operation and I will appreciate for your comment and explanations.1)If RXNE=1 and it execute interrupt subroutine always it means that we a valid data? even the between operation so...

parisa by Senior
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Resolved! spi clock error in STM32L431

Posted on March 10, 2017 at 09:32hi,I want use SPI1 as master and SPI1 reg configure as that    SPI1->CR2 = 0x1704;     SPI1->CR1 = 0x15C;read code is    GPIOA->BSRR |= 1 << 20; //set NSS low    for(i = 0;i < command_size;i++) {        while (0 == (...

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cai.bai by Associate II
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STM32F0x Read/Write to Internal Flash

Posted on March 09, 2017 at 16:25Hi,I'm new on ST MCU, I'm trying yo understand how to read the internal flash of STM32F042K6. I want to read the Page 31 of the device, the address is 0x800FC00 but if I try to read it with a pointer the program goes...