STM32 MCUs Products

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Forum Posts

Hard fault issue while transmitting data on UART

Hi All,I config UART on interrupt, after receving data on UART simple sending data at that time hard fault occur.UART enabling code MX_GPIO_Init(); MX_DMA_Init(); MX_USART2_UART_Init(); MX_RTC_Init(); MX_SPI3_Init(); MX_TIM2_Init(); MX_TI...

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ASaxe by Associate II
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STM32L496 - Power OFF SRAM1 during Run Mode

I want to know if is possible power OFF the SRAM1 (256kb) and keep only SRAM2 (64kb) ON, during Run Mode. I know that is possible power OFF SRAM2 in Standby-Mode with the register PWR_CR3 (bit RRS). - Reference Manual pag. 187

Receive SPI data from an unknown device.

Hi I want to communicate with a device that uses SPI, I want to grab data from this device but when it transmits a byte waits for an acknowledgment signal which is a positive pulse with 2us lent. So I should wait until it sends 1 byte of data, store ...

Dariush by Associate II
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Trying to get CAN2 working.

I'm using the STM32F105R8T6, STM32Cube_FW_F1_V1.8.0, and Atollic TrueSTUDIO 9.3.0.I have CAN1 working already, and am now trying to get CAN2 working *instead*. That is, I'm swapping over from CAN1-only to CAN2-only, as an interim step before trying ...