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SPI Data Size means?

Posted on July 25, 2017 at 12:25Hi,HAL_SPI_TransmitReceive(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) In this API Size is in Byte or in Bits?Thank you.

Question of SDADC Gain of stm32f373

Posted on August 01, 2017 at 02:32Hello,In the AN4550 , chapter 5.1.1 SDADC from HW design describe SDADC gain.I confuse about difference between analog gain(0.5 2 4 8)  and digital gain(16 32).Is the Analog gain change the gain using MUX?Is the Dig...

Issue with changing DAC Register via ST-Link

Posted on July 29, 2017 at 00:27I am having trouble changing any DAC registers using the STLINK debugger. The processor is stopped and the DAC is configured via Cube to be DAC Out 1 with output buffer enabled and no triggering. I let the code run th...

Resolved! SDIO IRQ does not work with GPIO interrupt

Posted on April 28, 2017 at 20:51Hello, writing support library for my dev board, and i run into the problem.I have simple txt file generated by Print_SD() function.If this function is called from mains, it does produce TEST.TXT file, no problemsBut...

USB OTG in STMF407ZG

Posted on July 31, 2017 at 19:05helloi have a STMF407ZGi want connect by it to mobile and send/receive data.mobiles usb isnt otg and i use st otg port for connect.i want send a simple number(int) to mobile and receive number from mobile.(simple send...

CAN communication on F303VC boards

Posted on July 30, 2017 at 10:48Hi,I set two F303VC Discovery boards with the same configuration using cubeMx: they have same clock on apb2 bus and time segment 1 and 2 and RJW are both the same.One is programmed as a receiver and the other as a tra...

Resolved! Is DMA Double Buffer Mode only Peripheral to Memory?

Posted on July 28, 2017 at 14:40It appears from the (rather lacking) documentation that the DMA Double Buffer Mode is only a Peripheral to Memory transaction. Is this correct? Or can I use double buffering from memory to peripheral?

STM32F4x FMC guidelines

Posted on July 31, 2017 at 04:42Hello,I currently designing a board using STM32F469BETx and two SDRAM ICs. I would like to know if ST provides any guidelines or application notes for FMC wiring and connections to the memories?Thank you.#fmc #stm32f4...

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