Hello community,I implemented a microsecond delay on a STM32L5 microprocessor using the "Data watchpoint and trace unit" (DWT). I am initialising the unit and count the DWT->CYCCNT down until my delay has passed.This works totally fine when the Debug...
The STM32G4 Series Reference manual RM0440 states in section 44.3.3 Message RAM → Tx Queue on page 1965:A Tx Queue Buffer allocates eighteen 32-bit words in the Message RAM. Therefore the start address of the next available (free) Tx Queue Buffer is ...
Hello ST,From datasheet(PM0253), The SHPR1-SHPR3 registers set the priority level, 0 to 255 of the exception handlers that have configurable priority.Also from datasheet,Each PRI_n field is 8 bits wide, but the processor implements only bits[7:M] of ...
I am trying to write data into 16GB micro SD card(ADATA Premier microSDHC UHSI class10). initialization is O.K.I am using an HAL_SPI_Transmit(&hspi1,wr_buf,6,100) commandProgram is as follows: #define CMD24 (0x40+24) /* WRITE_BLOCK ...
Hi ST.I'm using STM32 L4P5 as a Master in I2C.slave device is slow to write data, so I did the slave device do clock stretching for a moment.Is there any enable related to clock stretching on L4P5?If so, what's the way to enable it?thank you
Documentation is a bit vague with respect to use of PC13/14/15 as GPIO while MCU is in SHUTDOWN mode. My understanding is that these pins can be used in the backup domain (my VBAT is connected directly to VDD).I understand that I could SINK up to 3mA...
Hello,I have a general question about DMA which I am currently using to transfer a LUT in the memory to control PWM output.The LUT changes periodically and at the moment the DMA is triggered with a timer. What I would like to know if it is safe to ch...
Hello.I'm testing ADC with DMA on STM32G071. I wanted to have interrupt on transfer complete, but I had trouble clearing TCIF flag in ICFR register. Even if I cleared the bit, ISR was entered again immediately. I don't have circular mode set neither ...
I'm trying to connect a ILI9341 based parallel LCD to STM32F412RE. I have successfully connected that to the STM32F412ZG in the past, but that was using the pins in the H/G ports not available in the 64 pin package. When configured for pins on the 64...
