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Resolved! STM32F402 part number, does it exist?

STM32World Rant #2 - MYSTERIOUS UNKNOWN MCUJust a short rant about the MYSTERIOUS STM32F402. This MCU does NOT exist in ST's catalog, and yet you can readily buy them in China. In this video I will go through the datasheet, find a comparable MCU whic...

Resolved! STM32H723 TIM2 in encoder mode not working

Hello, I have the following problem - I configured TIM2 of STM32H723 in Encoder Mode following all recommendations in the Reference Manual RM0468, chapter Encoder Interface Mode, p. 1694: • CC1S= 01 (TIMx_CCMR1 register, TI1FP1 mapped on TI1)• CC2S= ...

radekbg by • Associate
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  • 3 replies
  • 1 kudos

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
  • 712 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
  • 278 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
  • 413 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
  • 462 Views
  • 3 replies
  • 1 kudos
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