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Resolved! Clock frequency for STM32F303

Hi,I used to run my STM32F303RE at 72Mhz clock from a 8Mhz CMOS oscillator. . Timers8/1 operated at 72Mhz as well. That worked fine. I had to change the CMOS oscillator from 8 to 24Mhz.I tried two modifications, see attachment:a) I changed PLLMul fro...

DetlefS by Associate III
  • 139 Views
  • 5 replies
  • 4 kudos

STM32F411 Documentation-Reference Manual-Error

Hey, I just want to report an error in the Reference Manual for the STM32F411xC/E microcontroller.Reference Manual: https://www.st.com/resource/en/reference_manual/rm0383-stm32f411xce-advanced-armbased-32bit-mcus-stmicroelectronics.pdfPublished on: h...

wolkns by Associate
  • 53 Views
  • 1 replies
  • 1 kudos

Resolved! Why does CORDIC give not accurate results?

Hi all.I have this piece of code: __HAL_RCC_CORDIC_CLK_ENABLE(); CORDIC->CSR |= CORDIC_CSR_NARGS; CORDIC->CSR |= (CORDIC_CSR_PRECISION_3 | CORDIC_CSR_PRECISION_2 | CORDIC_CSR_PRECISION_1 | CORDIC_CSR_PRECISION_0); CORDIC->CSR |= CORDIC_CSR_FUNC_1...

yonatan by Associate III
  • 128 Views
  • 3 replies
  • 0 kudos

Resolved! printf fail to print float type

Software tool: IAR Workbench 9.60#include <stdio.h>#include <math.h>#include <stdlib.h>#include <string.h>#include <intrinsics.h>int putchar( int ch ){    while(!(USART2->ISR&0X0080));   USART2->TDR  = (unsigned char)ch; return ch;} test code:printf(...

STM32L09 by Associate II
  • 81 Views
  • 3 replies
  • 1 kudos

Record audio using PDM OR DFSDM

Hi, I am working with STM32H757I-EVAL. The task is to record audio, store it in SD Card. Since, STM32H757I-EVAL has PDM Data format as well as DFSDM data format which would be better to interface with or is there anyother data format that can be used...

priya_12 by Associate II
  • 47 Views
  • 1 replies
  • 0 kudos