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

S2-LP automatic ACK

I’m testing S2-LP sub-GHz transceivers in stack packet mode. I’m encountering an issue where the sequence number in ACK packets sent by the receiver doesn’t seem to be populated correctly. If I’m not mistaken, when automatic acknowledgment is request...

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pelgrimo by Associate II
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Chip ID

Posted on March 22, 2018 at 05:25I have an interface product have some chips carry ST logo, but I can not find anything use the Chip ID. They are EZ026 and EZ030. Can anyone help to identify what is these chips? Here is the picture shows the chip.Th...

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Resolved! STKNX Linear regulator dropout

Hi,I would like the DC/DC converter of STKNX to make 5V.Also, I want the Linear regulator to make 3.3VBecause of global efficiency, I wanted to power the linear regulator with the 5V output of DC/DC converter.I'm surprised that the datasheet specifie...

Unable to understand the value from STPM34

I am using this code to read the RMS Voltage and Current. I am also able to get output which I have attached as a .txt file. The expected voltage from the hardware which I am using STPM34 is up to range of 20 V. I am unable to understand where I am g...

vivek_7 by Associate II
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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)           <--------------...

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AElgh by Associate III
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STPM34 UART communication with ESP32

I have developed code in arduino IDE , I am only getting the output receive from UART 04000A075 . I understand that this is the default value in register DSP_CR1. Could someone please tell me what does this mean.I hereby provide the code for receivin...

vivek_7 by Associate II
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  • 10 replies
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