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Difference between RTC calibration output 1 Hz and 512 Hz

Posted on January 03, 2018 at 10:22Hi,I'm using a STM32L496VG, with an external LSE of 32768 Hz. I configure the RTC this way:/* Enable Power Control clock */__HAL_RCC_PWR_CLK_ENABLE();/* Enable writing RTC back-up registers */HAL_PWR_EnableBkUpAcce...

ADC with DMA FIFO Circular mode Memory Config Doubt

Posted on January 03, 2018 at 08:27Hi Everyone,Am using STM32F407 MCUI have 6 adc channels configured as in ADC scan mode with DMA.first sequence value repeated for next 3 sequences.and 5 sequence value repeat in the sixth sequence.I have doubt in t...

Random CAN Clock

Posted on December 29, 2017 at 21:52Hello, I'm trying to bring up CAN on the STM32F303RE.  After banging my head against the wall, and with much help from the forum, I'm getting closer.  What I notice is that the CAN clock is not repeatable from pow...

HOW TO IMAGE PROCESSING with STM32F4

Posted on December 26, 2017 at 13:58hi everyone, i am very new with microprocessor. i get a STM32F429I developer kit to learn. right now, i am trying image processing with stm32 using OV9655 camera (i can use any camera or protocols). i aim to objec...

SPI3 are these values correct?

Posted on January 02, 2018 at 11:40//stm32f4xx.h//CS4271 audio CODEC //GPIOC _I2S_SDO GPIO_Pin_12 //GPIOC _I2S_SDI GPIO_Pin_11 //GPIOC _I2S_SCK GPIO_Pin_10 //GPIOA _I2S_WS GPIO_Pin_15#define AUDIO_I2S                                             SPI3...

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How to use PA5 as gpio?

Posted on January 01, 2018 at 22:31HiI'm using STM32F429I Discovery Board. I need to use the PA5 pin as gpio. But I did not get any output from the PA5 pin.The PA5 pin appears as an unused pin. GPIO_InitTypeDef GPIO_InitStructure; RCC_AHB1PeriphClo...