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

Out of box s2-lp p2p: Goods of IT hate me

HelloI have a problem with the P2P Project which I set up with stm32F401RE and the x-NUCLEO-S2868A2 radio shield. The project attached is actual an a little bit extended Version of the P2P example, I just modified the shield and added R17 to see the ...

badiw by Associate II
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  • 1 replies
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Resolved! 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...

STUSB4500 slows down I2C clock to 1 kHz

Hello, I have a circuit where a STUSB4500 USB-PD controller is connected with ESP32 via I2C.The problem is that when a USB cable is connected and STUSB4500 powers up, the whole I2C bus clock slows down to 1 kHz which is too slow. After the ESP32 is r...

degesz by Associate
  • 1394 Views
  • 1 replies
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STWPLLSim run error

Posted on March 14, 2018 at 10:23I am using STWPLLSim tool to simulate loop values for STW81200. After installing, when I start the program the following LIBRARY NOT FOUND error occurs:java.lang.UnsatisfiedLinkError: C:lProg ram Files (x86)1STMicroe...

EP Pang by Associate
  • 689 Views
  • 2 replies
  • 2 kudos

ACS, ACST negative voltage schematics ?

I found the ACS108-6SA that seems to fit my needs. 1) I will control the gate with my stm32G0B1 uC.I really don't understand why I have to connect the 24VAC Neutral to the +3.3VCC of the MCU ! It sounds like dangerous no?i can understand that the cur...

FloSolio by Associate II
  • 27 Views
  • 0 replies
  • 0 kudos

Resolved! ST87M01 - Dual Stack wM-Bus + NB-IOT?

I'm trying to develop a multiprotocol board with Dual Stack wM-Bus + NB-IOT. I found this link:https://www.st.com/en/wireless-connectivity/nb-iot-products.html So the ST87M01 module is capable of it. I have the next questions:1) The module is sold wi...

JuanMarGo by Associate II
  • 913 Views
  • 10 replies
  • 8 kudos

Resolved! X-NUCLEO-67W61M1 uart connection for AT commands

How do I connect to the X-NUCLEO-67W61M1 uart in order to access the 'AT' commands?I never get the AT> command prompt, although I get the bootup output spew, see below sample. I have tried 2 different uart-to-usb interface boards that work on other s...

lewis by Associate II
  • 1354 Views
  • 5 replies
  • 4 kudos

Resolved! x-Cube-ST67W61 Package V1.1.0 Update for CubeMX

Dear All,I am waiting for the availability of the x-Cube-ST67W61 package update to version 1.1.0 which is available on GitHub but doesn't show up in CubeMX at the moment. Do you know when it will be available via embedded package update?Best regards,...

PKR by Associate
  • 71 Views
  • 1 replies
  • 0 kudos