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

Connecting Raspberry PI to STM32F105xx via I2C.

Hi,I am trying to connect raspberry Pi with STM32 via I2C.. for 2 weeks now.. going to the specifics: RPI3 is a master, STM32 is a slave, I use HAL library and CubeMX. All communication should be the simplest possible. I want to send / receive one by...

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SSoko by Associate II
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  • 10 replies
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Teseo GNSS GPS Module Standalone Solutions

Hi there,I'm interested in products utilizing your Teseo automotive/industrial GPS/GNSS module as a prepackaged standalone solution (ideally with ethernet). Do you happen to know of any vendors or suppliers utilizing your Teseo module in their produc...

Resolved! BlueNRG-2N : lis_is_empty then reach timeout

Hi,I configure the BlueNRG-2N,On initialisation -> hci_reset -> hci_send_req ->after send_cmd the (!list_is_empty(&hciReadPktRxQueue)) is stell false and the timeout is reach i thing is something about pointing received data to the event list (or n...

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malarab by Senior II
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  • 1 replies
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Maximizing BlueNRG-2 throughput

I am trying to maximize throughput from a BlueNRG-2 chip to an android phone.The example code I have just spits out messages from the device to the phone as quickly as possible. Payload sizes up to 200 bytes (207 byte framesize) works OK, as seen bel...

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klillas by Associate
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  • 0 replies
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STUSB4500QTR

I designed a USB-PD circuit using STUSB4500QTR. Circuit is error free and it shows the correct I2C address when I scanned using I2C scanner. But I can't able to configure the PDO profile using the STM32F072 nucleo board and GUI. I shared here the scr...

STUSB4500 2.7V Supply Specs

I am interested in using the built-in 2.7V LDO on the STUSB4500 to power other parts of my circuit. Do you have any information on how much current this pin can source? And is the LDO hooked up to whatever VUSB is set to? For example, if the circuit ...