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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STM32VLDISCOVERY - ADC: unexpected behavior

Posted on June 29, 2013 at 13:24Is it possible to use ADC without configure GPIO for AIN? For example, if the lines below are commented in the program, can ADC still work? //       GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //       GPIO_InitSt...

UPGRADING APPLICATION FIRMWARE BY USB STICK

Posted on June 13, 2013 at 17:16HELLO I  want to upgrade the fırware of my design by usb stick , I am using the example given with the discovery board where I need a binary image of my Project  myproject.BIN, I am using keil so I can generate hex f...

sami by Associate II
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STM32F4xx CAN2 problem

Posted on July 04, 2013 at 15:18Hi,I work with an STM32F405 and i cannot use the CAN2. Now, I do some tests on the discovery board on an STM32F407. And with the same code developed for CAN2 used with CAN1 all seems good. I think, that I have forgott...

clement by Associate II
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Interpretation of TXEIE bit (UART programming)

Posted on July 04, 2013 at 13:33Hi all, The documentation of the ''GetITStatus'' function, as found in the file 'stm32f10x_uasrt.c'', describes the functionality as follows:     ''Checks whether the specified USART interrupt has occurred or not.'' H...

sidney by Associate II
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  • 3 replies
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STM32F103 Internal Flash Bank2 Access

Posted on May 31, 2013 at 13:57I am working on a project using an STM32F103 with 768K of internal Flash. I can successfully erase and program the first bank of internal Flash, but am having problems with bank2. The problem seems to be that I am havi...

stuart by Associate
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SPI2 Slave bit shift problem

Posted on July 03, 2013 at 15:27Dear all I hope you can solve m problem. I need to configure the SPI2 on STM32F100V8 on pin PB12-14 in slave mode because I have a master board that communicates to other spi slaves. The SPI has the Clock normally Hig...

ivano by Associate II
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USART missed rx interrupt

Posted on July 04, 2013 at 14:37Hi,I have an STM3220g-sk/iar demo kit. I try to configure the STM32F2 device to receive data with UART interrupt.I have the following codeint main(){  /* Reset all the ports to default values */  GPIO_DeInit(GPIOA);  ...

Adalgiso by Associate II
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SDIO interface - can not use SD card 250ms timeout

Posted on July 01, 2013 at 12:55I have just created my own SDIO library for SD cards. It works pretty well but i noticed one issue with SDIO interface. I use STMF4 device clocked with 168 MHz. At 168 MHz speed the maximum SDIO clock frequency is 24 ...

kekon1234 by Associate III
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SD_WriteMultiBlock (MMC_SD.C)

Posted on June 21, 2013 at 18:47Is possible to create a file in the SDCARD using only this function?Consider that the SDCARD was recognized. Mode SPI.SD_CD        => PB7SPI1_MOSI => PA7SPI1_SCK   => PA5SPI1_MISO => PA6 #spi-sd-card-mmc-stm32f103