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

Cannot calibrate antenna on ST25R3911B

I'm trying to issue the CALIBRATE_ANTENNA (0xd8) command on my st25r3911b nucleo expansion board, but it seems to hang.Other commands (eg. MEASURE_CAPACITANCE and CALIBRATECAPACTIVE_SENSOR) work just fine and generate interrupts, but issuing CALIBRAT...

IMolt.1 by Associate
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SPSGRF-868 alternative

Hi, We recently saw that SPSGRF-868 (https://www.st.com/en/wireless-connectivity/spsgrf.html) has become Not Recommended for New Designs (NRND), which seems concerning as we use it in many IoT designs.Is there any ST module available, with ACTIVE sta...

path321 by Associate II
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What type of transients and erroneous signals can I expect at power-up and power-down if I do not follow the sequence described in the datasheet for 54AC164245?

What type of transients and erroneous signals can I expect at power-up and power-down if I do not follow the sequence described in the datasheet for 54AC164245? Can you characterize the duration and amplitudes when VDD1 = 5V and VDD2 = 3.3V. In this...

RM.6 by Associate
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availability for ST60A2G0

Good morning it seems that the chip ST60A2G0 is currently not available.I need few parts to make trials ( 10 components).Do you know where I can find this component.Thank you for your quick remply.Best regards.

oBOCQ.1 by Associate
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eMMC/SD support on SR6P7G7

In SDK, we only find index in readme.md#### Multi Media Card / Secure Digital Card TestID60 Basic Test for card detectionBut I do not find the test code. I am wondering whether this is officially supported or there is still some hardware issue ?Now w...

HLi.10 by Associate
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Resolved! use S2-LP to replace TI's CC1101

Is it possible to use S2-LP to replace TI's CC1101? Below are the RF set ups in my products: //2-GFSK//data rate =175kBaud//channel spacing =200kHz//carrier frequency = 868.3mHz  //deviation =50khz//receiver channel filter band width =464kHz

xray format issue

STD120N4F6 dc 20+ , found that the xray format is difference from DC 21+, did there a new PCN during 20+ i'm not sure if these goods are origin. could you pls help to check the labels for me?​

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demi by Associate
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