STM32 MCUs Products

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Forum Posts

WakeUp from STOP using an EXTI GPIO LINE

Posted on November 19, 2014 at 17:07I am having trouble to wake up the STM32F407 from the STOP condition using a GPIO EXTI line (PB 0).   The same GPIO line is used when the STM32 is ON to switch it OFF (THIS WORKS PERFECTLY) and whenever it is OFF ...

STM32f405 spi trouble with LSM9DS0

Posted on November 08, 2014 at 03:50the i-nemo forum is a little slow hopefully maybe i can get a faster answer here...I'm trying to interface with the LSM9DS0 and I can't get any coherent information from it. when I try to read the who am I registe...

tylere by Associate II
  • 723 Views
  • 1 replies
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STM32 Memory-to-Memory DMA transfer to 16-bit SRAM

Posted on November 03, 2014 at 10:17I have an STM32F429 connected via FMC to a 16-bit wide SRAM. I can read and write to the SRAM correctly using simple memory writes.DMA works correctly too when I configure it with two streams; one to send internal...

dohzer by Associate II
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  • 5 replies
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Help targeting an STM32F4DISCOVERY

Posted on November 20, 2014 at 19:11Hi everyone, I am trying to download some code onto a development board and I know for sure that the code itself works correctly. But I'm getting an error saying that I haven't targeting the board correctly so I w...

Bluetooth HC-05 and STM32F4 Discovery

Posted on November 20, 2014 at 00:50 Hello i want to test my BT on Discovery board. I connected all pins correctly and build easy code for recive data and turn on the light.In my code i use this function to recive data on STM. if (USA...

samotan by Associate II
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  • 4 replies
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STM32F2xx RTC: LSE Jitter problem

Posted on November 18, 2014 at 15:38Hello to all, For calibration I use Timer 5 Capture-Channel4 to measure the LSE Clock on a STM32F207 CPU. However the result was variing +- 20 Hz. To deviate external crystal issues I routed LSI to the Timer 5 cap...

andywild2 by Associate III
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  • 8 replies
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Do you use STM32cubeMX

Posted on November 19, 2014 at 19:39Hello,ST announced that everybody should use the cubeMX software (or at least libraries) because the old libraries will not be supported anymore. I was a noob on STM32 so I decided to start with cubeMX.It it clear...

tarzan2 by Senior
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  • 6 replies
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sdio fatfs speed problem

Posted on January 22, 2014 at 20:31i use fatfs and i read at about 200to300KB/SECOND  it's very low speed . i test sd card speed from computer and it's speed reading 12.5MB/SECOND how to speed up sd card reading i want about 5MB/sec are this hard ...

elec_st by Associate III
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  • 25 replies
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STM32L0xx Altium Files

Posted on November 20, 2014 at 16:44Hi, Are STM32L0xx files (sch, lib, ref design) for Altium Designer available somewhere for download? In order to go quickly and avoid error..... Thanks