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RCC AHB peripheral reset register

Posted on June 23, 2012 at 20:51Hi, everyone. I do not understand why ''RCC AHB peripheral reset register'', such as RCC-> AHB1RSTR | = RCC_AHB1RSTR_GPIOARST, what will GPIOA? Thank you.

sergej by • Associate II
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Pin configuration for USART.

Posted on June 23, 2012 at 00:01hi all,readme.txt say like..- STM3210C-EVAL Set-up     - Connect USART2 Tx pin (PD.05) to USART3 Rx pin (PC.11)    - Connect USART2 Rx pin (PD.06) to USART3 Tx pin (PC.10)@note In this case USART3 Tx and Rx pins are r...

hello by • Associate II
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Configuring input pull-up or pull-down

Posted on June 22, 2012 at 20:54Hi, I am using the STM32F103ZG device and looking through the reference manual (RM0008) I cannot find how, when a pin is configured as ''Input Pull-up/pull-down'', to select the pull-up or pull-down option. Having don...

dsjnews by • Associate III
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How to use the USB ISO IN Endpoint

Posted on June 21, 2012 at 09:40Hello.I have a probem with the ISO IN Endpoint. Double buffering is not working.The STM32F103RD is sending right data only from one buffer. Data from another buffer is wrong.My code:  /* Initialize Endpoint 1 */  SetE...

loginov by • Associate
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SDcard with SDIO interface and FATFS

Posted on June 07, 2012 at 18:46Hello, i connected sdcard to my stm32f4discovery board, used SDIO example for low level init, and fixed fatfs so i can write data and read that later with computer But fatfs code is to complex for me to understand, do...

linas2 by • Associate II
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  • 16 replies
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Timer using external clock nr 2

Posted on June 22, 2012 at 12:56  I'm using a STM32F103RBT6.Basicly I want to clock TIM1 (it should work on this frequency because of the Fmax from APB2) external with an 25.5 Mhz signal and use the Update_IRQ. Thats all.I can start TIM1 and use the...

ullmann by • Associate
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Centre aligned PWM question

Posted on June 14, 2012 at 15:55I've been using edge aligned PWM to turn a three phase induction motor and this works just fine. However, in an attempt to cut down on noise, with the possibility of two IGBTs switching at the same time, we thought it...

DiBosco by • Senior II
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