STM32 MCUs Products

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Unknown STLink JTAG/SWD mode?

Posted on August 24, 2017 at 04:50In STLink settings menu we can chose JTAG or SWD but which JTAG and SWD mode is it?Full SWJ (JTAG-DP + SW-DP) - Reset StateFull SWJ (JTAG-DP + SW-DP) but without NJTRSTJTAG-DP Disabled and SW-DP EnabledTrying to fig...

stm32f4 bad sdio throughput

Posted on August 23, 2017 at 17:55Hi,I'm using an STM32F446 @ 168MHz.APB2 Frequency = 84 MHzSDIO_CK frequency = 12MHz @ 4-bit lines = 48 Mbit/secShoud give a reading throughput of approx 6MBytes/sec.But using ST's SPL, reading 1 block ( of 512 bytes...

Kuikui by Associate III
  • 1431 Views
  • 5 replies
  • 0 kudos

STM32F071RB6T ADC FAIL ?

Posted on August 23, 2017 at 16:03Hey,i have a strange behavior of STM32F071RB6T.I initialize the RCC, TIM3 for PWM 1Ch. works!I initialize the RCC, TIM3 for PWM 1Ch, ADC with DMA. works!I deaktivate PWM init and just whant to test the ADC with DMA ...

Resolved! FMC and 16/32b multiplexed mode

Posted on August 23, 2017 at 17:23Hello,I have some doubts with understanding and configuration of specific FMC modes. May I kindly ask you to check if my intentions are correct?We have STM32F767 connected to our proprietary memory-mapped periphery ...

dstindl9 by Associate II
  • 656 Views
  • 1 replies
  • 0 kudos

Resolved! inconsistent Information concerning STM32L071

Posted on August 22, 2017 at 07:47Hi, There is an inconsistent information about the numbers of usart in series STM32L071KBTx and STM32L071KZTx(both LQFP32.)in the datasheet, it says there are 3 usart:================================================...

0690X00000602UMQAY.bmp 0690X00000602RtQAI.bmp
Zt Liu by Senior III
  • 625 Views
  • 3 replies
  • 0 kudos

Linker Problem: undefined reference to `__errno'

Posted on October 22, 2015 at 18:20Hi,I'm trying to get to grips with System Workbench for STM32 & STM32F429i-Disco board.I'm trying to build the STemWin_SampleDemo project for STM32F429I-Discovery, supplied in STM32Cube_FW_F4_V1.8.0but it comes up ...

daemynnur by Associate II
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  • 13 replies
  • 4 kudos

Why is the SysTick timer off by a few clock cycles?

Posted on August 11, 2017 at 08:36Hello all,Sometime ago I was looking into configuring the SysTick timer for an stm32f407 mcu. As the CMSIS lib provides a function for this, this is kind of straight forward. To verify the configuration I measured t...