Interface and connectivity ICs

Ask questions and find answers on connectivity ICs, focusing on protocols and I2C challenges on STM32 Nucleo boards and BlueNRG products.

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Forum Posts

logic output max current for ST3232C

Posted on March 19, 2017 at 00:30I'd drive an opto-isolator's LED directly from the logic output of ST3232CTR (VCC=5V). I'd set current with a serial resistor (Vcc - R - LED - 3232's output.  Output=L to light the LED up). I checked 'DocID7454 Rev 1...

st7580

Posted on March 18, 2017 at 20:32I am beginning to experiment with this part but something has me a bit stumped.The eval board says that the transmit filter is configured for a frequency of 150KHz with a sensitivity around 100KHz.However the receive...

gareth23 by Associate
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Mistake in ST3232 datasheet

Posted on January 24, 2017 at 01:05In the http://www.st.com/content/ccc/resource/technical/document/datasheet/group1/40/2c/7f/62/3a/3f/47/3c/CD00002253/files/CD00002253.pdf/jcr:content/translations/en.CD00002253.pdf, the introduction text says:The d...

how to enable spbtle-rf dc-dc converter?

Posted on March 16, 2017 at 12:39In order to optimize the consumption in my project i would like to enable the dc-dc converter.The datasheet says ' Optimized results are obtained when the embedded high-efficiency DC-DC step-down converter is used.'D...

ISB027V1 Firmware

Posted on March 15, 2017 at 11:47Hello,I have a problem with the ISB027V1 Eval.Board. I have flashed and erased the Firmware and now I am looking for the File that is mentioned in the user guide WBC_FW_A11 .... but I cannot find it anywhere. Can som...