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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STUSB4500 datasheet VCONN pin confusion

I am designing a device using the STUSB4500 in QFN-24 package. In the datasheet, pin 3 is both specified as NC and VCONN.The pinout says it is NC, but in any example schematics, this pin is shown as VCONN.In different resources, this pin is either be...

PDobo by Associate II
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S2lP error code "LOW BATTERY Indicator"

I have reference H/W design by X-NUCLEO-S2915A1.It has still have "IRQ_LOW_BATT_LVL" and not send TX data.-Pin1, Pin7, Pin10, Pin15 is 3.3V Level.Could please let ms know if you have any recommend my check point...

CKim.18 by Associate II
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Resolved! Is BLUENRG-2 working in DTM mode suppose to send some HCI Command Packets to controlling host MCU ?

Hi, I'm using BLUENRG-2 chip with DTM (UART) FW as a BLE module for my STM32 processor. In general everything works - I'm able to set-up profiles, establish connection with central, send notification and receive data from characteristics. To achieve ...

Wojciech by Associate II
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Programming spec for BLUENRG-2

Good day. This is IC programming manufacturer.We have to support this BLUENRG-248  QFN48 on our IC programmer. Could you help to provide the programming spec to us for development?Please let me know if we need to sign NDA.

JHsu.14 by Associate II
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