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DAC-DMA problem

Posted on January 04, 2016 at 10:58I am using a STM32L152RE Nucleo Board and programming with EmBitz using the Standard Peripheral Library.I am trying to generate a ramp signal using DAC channel 1 and DMA Channel 2 using Timer2 as trigger. The code ...

IWDG vs. WWDG

Posted on January 02, 2016 at 23:18Hi.What is the main reason to use one watchdog instead of the other? I understand that IWDG is clocked by its own LSI clock, while WWDG clock is prescaled from the APB1 clock. But what are the other differences?

matic by Associate III
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Output 48MHz system clock on a GPIO pin other than MCO pin

Posted on January 03, 2016 at 21:20I want to output the max 48MHz clock signal on STM32F030 to drive another subcircuit. The problem is the chip STM32030F4P6 (TSSOP-20 package) I prefer to use doesn't have the MCO pin (PA8). So I have 2 questions: 1...

stm32f405 rtc help

Posted on May 12, 2014 at 09:29Dear all, i am using STM32F405 with internal osc. clock. I connected a 3V lithium battery as VBAT, and would like to use the RTC to keep time when power is off. I read some samples here and there and implemented some R...

Angelo1 by Associate II
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STM32F030F4 / K6 bootloader via UART don't work for me

Posted on December 31, 2015 at 19:15Dear Friends and Colleagues!I'm interested to move from NXP chips to ST ones, so I've got a pair of devices and am currently trying to work with their bootloader via UART. The devices areSTMF030F4 (TSSOP-20)STMF03...

STM32 - HSE OSC 16 MHz fails to start

Posted on December 31, 2014 at 17:20 Hi, I have a problem with proper main clock configuration in STM32F030K6T6. I've connected an external crystal 16 MHz with 2x15 pF caps, but the HSE is not starting. Variable HSEStatus remains 0, so the PL...

slatybor by Associate II
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