STM32 MCUs Products

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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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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...

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...