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Voltage problem on VDD pin on SWD connector.

It's my first design with a STM32 MCU. I want to program a MCU on my custom board with the ST-LINK but when I try with STM32 ST-LINK Utility the connection doesn't work. The STM isn't recognized. When I measure VCC signal on the connector SWD I have ...

Resolved! STM32F439NIH can't get PLLCLK on MCO1 (solved)

Posted on February 17, 2017 at 12:29I want to have 60 MHz on the MCO1 pin PA8. I use an external 25 Mhz crystal. The PLL delivers 180 Mhz to the system clock. I've used STCubeMX to configure the clocks to get 180 MHz / 3 on MCO1.Unfortunatly I'm not...

lasse by Associate II
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SPC570S50E1 UART Confinguration

Posted on March 29, 2018 at 10:06Hello Everyone!I am trying to configure LIN_FLEX_0 channel for UART communication. Following is my code for the configuration.&sharpdefine LIN_CH0 LINFLEXD_0LIN_CH0.LINCR1.B.INIT=1;         /* Put LIN into INIT mode ...

Thank you

Thank you in advance for your helpBest regards

Jessy J by Associate II
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DMA Write Issues with STM32L4R9-DISCO SDMMC

Posted on January 05, 2018 at 23:33The HAL_SD_ErrorCallback() is called EVERY time a one sector DMA Write is usedieSD_state = BSP_SD_WriteBlocks_DMA((uint32_t *)buff, sector, count); // With count == 1void SDMMC1_IRQHandler(void){ HAL_SD_IRQHandler(...