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STM32F429IIT6 RTC Abnormal please help me!!

Hi everyone!! I am from TaiwanI am currently working on a project that records time using STM32F429IIT6VBAT is connected to the 3.3V output of the power supply.PDR_ON is connected to VDDPower on when VDD is powered offTime will be initializedProject ...

blin.0 by Associate II
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wake Up with uart interrupt from stop mode.

Posted on February 21, 2017 at 08:22hi,i write code to wake up with uart interrupt for stm32f4 discovery board.before sleep i use deinit uart function and configure rx pin as a gpio exti, in exti handler function i use deinit pin and init uart funct...

kosan by Associate II
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  • 3 replies
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Cache problem with FreeRTOS and MPU

Hello everyone,For my current project I need the FreeRTOS+MPU to work on H7. I got it somehow to work with DTCMs. However, when I try to move the complete memory allocation to the AXI SRAMs the FreeRTOS is hanging in the systick handler (there is a f...

JLima by Associate II
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How to adjust timer?

I am trying ti adjust the timer2 of the stm32f4 to 400khz​ but it does not work. Even though my calculations on Prescaler and counter are right for the frequency that i aim for, Timer is not working as it should be. By the way i am using Hal library.

MKara.17 by Associate II
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  • 5 replies
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IO-link software for P-NUCLEO-IOD01A1

Hello,I tried to connect to the board P-NUCLEO-IOD01A1 with IO-link control tool but without success . I think that the mcu doesn't have the IO-link software.Could you please support me to connect and test the IO-link protocol.

AYous by Associate
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Did someone use DP83848 in RMII mode on custom board?

I would like use the DP83848 in RMII mode due to the number of available pins in the project.LwIP supports DP83848 with MII only and for RMII just the LAN8742A.The folllowing pins of DP83848 are not connected:RX_CLK, TX_CLK, RX_DV, COL, RXD_2, RXD_3,...