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STM32F4xx, CCMRAM startup init

Posted on July 09, 2016 at 22:17 Hello guys, Encountering the following problem: static __attribute__((__section__( ''.bss_CCMRAM'' ))) int data; ''data'' is put explicitly into CCMRAM (verified with debugger) bu...

sony_nix by • Associate
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STM32L073 store data after power off

Posted on July 12, 2016 at 11:19Hi,I am working with an external flash and I wanted to store the lastest memory address after the power cut off and fetch back the stored memory address when power on. So, how should I do it ?  Is it done by write int...

waiyang93 by • Associate II
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stm32f4 timer output pin config

Posted on July 13, 2016 at 17:02HiI set timer 1 for output pwm on a pin.i need when timer is disable, pwm output will have ground level.when output pin is pull up and timer disable,output pin  have VDD LEVELwhen output pin is pull down  and timer di...

Keil with Cubemx

Posted on July 04, 2016 at 17:02I am trying to get the free Keil for stm32l0 tools to work with stmcubemx. In the 'Manage Run Time Environment ' dialog I expected to be able to select options for the stmcubemx framework API as described here :-http:...

I have a problem with Option Byte

Posted on July 13, 2016 at 15:17 I can not handle the option byte as I would like. I use a STM32F103ZE, so with only one memory bank. I start from a state of write protection of all pages except the 60 and 61, then log FLASH_WRPR = ...

vbruno1 by • Associate III
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DAC waveform not displaying on oscilloscope.

Posted on July 12, 2016 at 04:56Hi ST community,     I'm doing a feedback of the adc output to the dac input to double check the incoming signal.    I seem to have a problem displaying the DAC(PA5) waveform on the oscilloscope, so my setup is : i co...

ADC Noise / Jitter Problem STM32F4

Posted on July 13, 2016 at 00:04I am using ADC's on the STM32F4 discovery board to read control values for my program from potentiometers and I am having problems where these inputs are very noisy, and cause my control values to modulate quite notic...

epalaima by • Associate II
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STM32F373CCT and CAN bus

Posted on July 07, 2016 at 19:24 Hello. I have CAN bus with three devices USB2CAN Adapter and two Controllers with STM32F373CCT. When only Adapter and one Controller is connected to CAN bus everything is correctly working. But if I have connect...

serg2 by • Associate
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