STM32 MCUs Products

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lwip ping 2 times

Posted on June 30, 2017 at 04:39Hi,I use CubeMX 4.21.0 to generate FreeRTOS+LWIP code on STM32F746GZ Nucleo board. The problem is when I ping the board, It will reply after pinging 2 times. See below capture:Did anybody ever meet this problem?

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Normal status of boot0

Posted on November 28, 2017 at 06:16Hi.I have a question. I am using STM32L051 and I am wondering about the state of BOOT0 pin. When power is first applied, the boot mode can be proceed from the status of BOOT0 pin and nBooT1 After that, I wonder wh...

Multiprocessor communication using a USART

Posted on November 27, 2017 at 23:10Can someone please direct me to a comprehensive explanation of Multiprocessor communication using a USART.  I have reviewed paragraph 31.5.7 of RM0385 and still have questions.Thank You 

Regarding ADC error

Posted on November 27, 2017 at 09:22Dear all.I measured ACD input increasing the voltage by 10mVdc. but, there are non-nonlinear points.As the datasheet, ED and EL are +-1.5LSB and +_2LSB. It seems that my measurement result is bigger than them.Coul...

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High frequency PWM by SW

Posted on November 28, 2017 at 11:25Hi All,Based on STM32F072, how can I generate high-frequency PWM(41.6KHz) by software GPIO mode?And moreover for read, how to do PWM input by software? is it possible to capture such high-frequency PWM input?Thank...

STM32L431: Enable USART rises IDLE ISF

Posted on November 28, 2017 at 11:46Hi all,I'm using the STM32L431RB device and wanna implement UART communication with DMA and IDLE line interrupt functionality. In principle everything is working with one exception:After enabling USART the IDLE fl...

S. L. by Associate
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Resolved! ST develop tool

Posted on November 28, 2017 at 01:49Hi,Now we need to develop the STM32F103 FW, I want to if ST provide any free IDE for FW development? Best Regards,Kent

kent gu by Associate III
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