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MBelk · 2020-06-16

There isn't any PC14 PC15. Is it really inaxessible on this MCU and I'm have to find suitable HSE crystal in order to get high-presition RTC?

MBelk · 2019-09-15

My timer config: RCC_APB1ENR = RCC_APB1ENR_TIM3EN; TIM3_CR1 = (uint32_t)(TIM_CR1_CKD_CK_INT | TIM_CR1_CMS_CENTER_3); TIM3_CR1 &= ~TIM_CR1_UDIS; TIM3_CR2 &= ~TIM_CR2_CCDS; TIM3_ARR = (uint32_t)10000; TIM3_DIER = (uint32_t)(TIM_DIER_CC1DE | TIM_D...

MBelk · 2020-06-16

Yes, but 4.096 MHs standard HSE crystal resonator will helps.

MBelk · 2020-05-13

Any board with stm32f2 (including homemade) is apropriate, cause it have USB OTG and Ethernet

MBelk · 2020-05-12

I have the same situation, what I'm doing wrong? PWR_CR |= (uint32_t)PWR_CR_DBP; RCC_BDCR = (uint32_t)0; BKP_CR = (uint32_t)0; BKP_RTCCR = (uint32_t)0; BKP_CSR = (uint32_t)0; RCC_BDCR |= (uint32_t)RCC_BDCR_BDRST; gpio_set_mode(GPIOC, GPIO_MODE...

MBelk · 2019-09-15

checked

MBelk · 2019-09-15

checked

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STM32F030F4P6 TSSOP20 OSC32

I want to get gpio clock by passing data into GPIO_BSRR registers by DMA transaction on capture compare timer event. It doesn't work.

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Re: I want to get gpio clock by passing data into GPIO_BSRR registers by DMA transaction on capture compare timer event. It doesn't work.

Re: I want to get gpio clock by passing data into GPIO_BSRR registers by DMA transaction on capture compare timer event. It doesn't work.