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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potting BLUENRG-M2SP and BLUENRG-M2SA

Hello,I hope you are well.I am using your bluetooth modules with chip antenna “BLUENRG-M2SA” and PCB antenna “BLUENRG-M2SP”.I'm going to put the 2 modules in the potting ? is there an influence of potting on the characteristics (range, transmission, ...

ljm by Associate III
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X-NUCLEO-BNRG2A1 UART Bootloader Mode

Hello, Following AN4872  & UM2667 I did the following: - Connected J15(Force DIO7 High).- UART-Connection is like(Beside GND and Vdd):    Nucleo-Board(F401RE)   <----------------------->  X-NUCLEO-BNRG2A1       PA9(UART1_Tx)           <--------------...

AElgh_0-1736432060174.png AElgh_1-1736432143666.png AElgh_3-1736432241818.png
AElgh by Associate III
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  • 0 replies
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Resolved! M48T18-150PC1 Timekeeper

I have a circuit card that uses the M48T18-150PC1 Timekeeper SRAM, and the battery died. I replaced the part but the settings did not save once power was cycled. A second part was used with the same result. Looking at the date stamp, (412) tells me I...

BobW777 by Associate
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  • 2 replies
  • 1 kudos

STUSB4700 - Define USB communication

Hello, I implemented a project using STUSB4700 to provide a charge to an Android tablet, the power interface is resolved using this topic https://community.st.com/t5/others-hardware-and-software/stusb4700-constant-output-switching/m-p/734155  because...

Layer Stackup for BALF-WL-00D3

 My team is trying to design a radio board with the STM32WL and we plan to use the BALF-WL-00D3 in the RF Front End.Based on our requirements, we have decided to go with a 6-layer board and are trying to decide on a stackup (dimensions) for the same....

ST8500 FSK modulation

Hi, I am evaluating to use the ST8500 module as alternative part of the ST7538Q.In our application we have a custom protocol over power line with FSK modulation.Looking all the documentation related to ST8500 I found that it is possible to configure ...