STM32 MCUs Products

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STM32-MP3NL/DEC Audio Engine MP3 Decoder and Utilities ?

Posted on August 12, 2015 at 23:49Hi Guys, I read about STM32-MP3NL/DECAudio Engine MP3 Decoder and Utilities in this link : http://www.st.com/web/en/catalog/tools/PF250969 Where can I find the software ? Is it not free ? Or I need an external chip ...

Basic questions about Alternate Functions

Posted on August 12, 2015 at 10:38Hi all,I am a beginner of MCU, and right now is digging into STM32F1xx serial MCU, which is pretty old, but simple enough for beginner. I have spent a lot of time on some example codes, still with the confusion that...

laojian by Associate II
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  • 5 replies
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Setting interrupt ADC conversion is complete using HAL

Posted on August 05, 2015 at 11:37STM32F407VG When Interrupt function looks like this:void ADC_IRQHandler(void){adc=HAL_ADC_GetValue(&hadc1); HAL_ADC_IRQHandler(&hadc1);  HAL_ADC_Start_IT(&hadc1);}Everything works well.But when I want to do the ADC ...

Fatal error: ST-Link, no MCU device found session aborted

Posted on August 10, 2015 at 11:26Hi When I configure the I2C to my code, my code is only using TSC, RTC, timer2 and sixteen GPIO. I compiler it that variable parameter is became ''unavailable'' in live watch windows. After that, I want to leave deb...

countach by Associate II
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  • 7 replies
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PWM with 1.5 MHz with STM32F411 Nucleo-Board

Posted on August 12, 2015 at 09:24Hello,i'm glad to be a member here in this forum. At the moment i am thinking about to buy a STM32F411 Nucleo-Board.  In this case i would like to ask you some question about this Board. I read many different articl...

mirco2 by Associate
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  • 2 replies
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HAL Vs Firmware

Posted on August 11, 2015 at 14:22Can anyone help me in understanding difference between HAL and firmware,I can find plenty of examples useful for starter as complete project in HAL related stuff, while no such thing available for firmware stuff (at...

waheed901 by Associate II
  • 1325 Views
  • 8 replies
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STM32L151 LSI clock accuracy

Posted on August 12, 2015 at 10:54HiRM0038 Reference manual sais: ''LSI clock ... The clock frequency is around37 kHz.''Can you tell me what is the max possible clock Deviation? (in percentage / Hz)ThanksYaron #stm32

yarona by Associate II
  • 1016 Views
  • 6 replies
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Undefined identifiers in .ini file

Posted on August 12, 2015 at 13:51 I trying send characters to the UART in simulation in Keil MDK-ARM using .ini file. This code is from uVision Help. signal void serialA_Z ( void ) { char ch; for (ch = 'A' ; ch < 'Z' ; ch++) { S0IN...

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hospodar by Associate III
  • 486 Views
  • 0 replies
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STM32F4 Memory organization

Posted on August 11, 2015 at 22:20Hello everyone!I'm beginer in STM32 MCU (I train on STM32F429-Discovery board). I couldnt find ansver for my question in Reference Manual and Programming Manual.In Programming manual ask that CODE memory space (0.5G...

kuzas by Associate
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  • 3 replies
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