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Resolved! High values on unconnected GPIO pins

Posted on August 16, 2017 at 12:31 Hello. I'm developing an application based on Discovery board with stm32f429I. And now I have quite a weird issue:a high signal level is shown on unconnected input pins. Here is a code: //Configure PC4 ...

Resolved! Configuration of DMA for USART-RX buffer

Posted on August 14, 2017 at 17:23Hey there!I'm working on stm32f051 MCU for a little project and a I  have to receive and process data from its USART port 1.My issu is that I don't have any interuption from the DMA, and if I check directly on the b...

Sector Codes Can Bootloader

Posted on August 15, 2017 at 18:00According to AN3154 Datasheet I must write sector code in data field.But I dont know what is sector code and How can i find it for stm32f4 discovery?Just I want to erase sector by sector what I must do?(I know I mus...

nRTS / nCTS behavior is NOT expectation

Posted on August 09, 2017 at 03:49Dear SIR,Issue : nRTS / nCTS behavior is NOT expectation,description:while(1){} empty loop is running on MCU, data is not taken from USART->RDR.The expectation is nRTS is set to high until the data is read from USAR...

ejlien by • Associate II
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  • 5 replies
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Resolved! Can the I2C Bus only send 9 pulses on the CLK line?

Posted on August 15, 2017 at 23:20I am using the STM32F072 device and the I2C bus to talk to a slave device.  The slave device is an Texas Instrument battery management device.  The problem is this slave device I2C probably has a bug that occasional...

Vu.Andy by • Associate III
  • 1473 Views
  • 3 replies
  • 1 kudos
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