STM32 MCUs Products

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Resolved! Documentation: USART1/2 and APB2/1 on STM32U5 series

Is USART1 on APB1 (AN5593, tab.17) or APB2 (DS, RM, CubeMX) and USART2 on APB1 (DS, RM, CubeMX) or APB2 (AN5593, tab.17)? Guess, there is an issue in an5593-how-to-use-the-gpdma-for-stm32u5-series-microcontrollers-stmicroelectronics Rv.4 , isn‘t it?

FB1 by Associate II
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  • 2 replies
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driverchip for GPIO support

Hello forum,I need some hardware help to modify my PCB, which was developed by other people.I use STM32F103. I have one "Master"-Board and several "Slave"-Boards (up to 20) with same controller.Because of current saving reasons I need to set the cont...

APlöt.1 by Associate II
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  • 6 replies
  • 1 kudos

EEPROM emulation error when using TIM timebase

I am using the example project from the xcube eeprom v3.0.0 as a reference to add EEPROM emulation to my project using the STM32G431RB. The example project works fine, but my project uses FREERTOS so I have changed my timebase source to a timer. This...

BPaik by Senior
  • 749 Views
  • 1 replies
  • 1 kudos

Resolved! USART6_CTS pin of STM32F407

Hello forum and devs!Have one simple question: datasheet of STM32F407ZGT (STM32F40x series) and Cube MX says me, that this MCU doesn't contain USART6_CTS pin, but contain two USART6_CK pins. Is it mistake, and where is USART6_CTS pin?Official datashe...

Powerjack_0-1698399674722.png

Resolved! H743 PLL1 P-divider discrepancy

Hi! I wonder if the P-divider for the PLL1 on the STM32H743 is allowed to be 1.The reference manual (rev. 8 ) states in figure 47 (section 8.5.5) that only values from 2, 4, ... to 128 are allowed. In the register description (section 8.7.13) however...

DanielST_1-1698326008660.png DanielST_2-1698326036426.png
DanielST by Associate II
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  • 5 replies
  • 2 kudos

Resolved! Interrupt priority in STM32F429

Good morning, I have some problems with interrupt priority on the STM32F429.I set up a serial communication on UART1 with this priority// USARTNVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;N...

gerson74 by Associate II
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  • 2 replies
  • 1 kudos