STM32 MCUs Products

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STM32F4 SLEEP Mode Power, Please Clarify...

Posted on February 26, 2016 at 06:23Hello, I have looked through the app note AN4365, and I have a question about SLEEP mode that isn't clear in the document. The chart on Page 8 doesn't really disambiguate which one of those is sleep mode. So I am...

STM32F1 I2C start failure

Posted on February 16, 2016 at 15:57I am working with an STM32F103RC and trying to develop an I2C master application.  Currently the I2C bus is populated with only this master and an MCP23017 slave.In my most recent test run the program eventually e...

clark2 by Associate II
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STM32F103, USART RX DMA

Posted on February 29, 2016 at 13:25Hello, I need help with subj. I need configure circular (ring) RX buffer with DMA (USART1 RX to memory, STM32F103C8T6). It is correct?http://pastebin.com/hT16bg1X Thanks, MG

mgrunt by Associate
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STM32F4 DAC

Posted on February 29, 2016 at 09:05 Hello, I have a problem with DAC of stm32f4 discovery board. I want to increase amplitude of the signal. The signal is defined by array. The problem is that when I press the button I enter to the functi...

STM32F405xx Controller Interface With EEPROM

Posted on February 25, 2016 at 11:16Hello,One of the requirement for my project is to log diagnostic data periodically over a period of time.Controller used is STM32F405xx, LQFP64. As it does not have the on chip EEPROM, I want to interface (via SPI...

koyala by Associate
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FLAG status

Posted on February 26, 2016 at 16:18Hi i am a newbie. i have seen some examples, sometimes they clear the flag and sometimes they dont clear the flag. Could anyone please tell me when it is needed to clear r no need to clear_..example : i am waiting...

arunl4g by Associate II
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Write to Flash with Keil Simulator

Posted on February 26, 2016 at 12:16Hi, I'm trying to use Keil simulator to test my application. I'm writing some data to flash memory, using the HAL drivers generated by cubeMX. After the write operation, the flash memory doesn't change. I'm just w...