ST25 NFC/RFID tags and readers

Ask questions and find answers on ST25 NFC/RFID tags and readers, including connectivity implementations and antenna design.

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Resolved! ST25R3916 NFC Emissions Issue

We are having an unusual issue where we are failing emissions at 67.8Mhz or the 5th harmonic of the NFC frequency.  We are also close to the limit for the 3rd and 4th harmonic as well.  It is unusual because it does not fail in all operating modes. ...

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km_sibel by Associate
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Resolved! Need linux kernel driver for ST25R200

Hello Team,We are using the ST25R200 NFC reader with an AM64x series TI processor, for that we need the Linux kernel driver for ST25R200.Can you provide the link to download the kernel driver?Thanks,Dharmik

Dharmik by Associate
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Resolved! st25r100 package not found

Hello STMicroelectronics CommunityI want to integration NFC functionality into Linux based system. But I did not find the st25r100 software package on the st official website. Like this.Can you provide me with a package or other download path? Thanks...

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Ivy7 by Associate II
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ST25R3916B – Antenna Multiplexing Solutions

Hi everyone,I am working with the X-NUCLEO-NFC08A1, which uses the ST25R3916B chip, and I am planning to use it's main IC (ST25R3916B ) with 6 antennas. The idea is to use the two RF interfaces of the chip, with each interface connected to 3 antennas...

MERSI by Associate III
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Resolved! Interfacing ST25r3916 with STM32F072xx.

This might be *** question but I have to ask as as I'm a biginner... I want to interface ST25r3916 with STM32F072xx without using BSP package and HAL. I'm currently using bare metal embedded c. I've been trying to change rfal_Platform.h file which I ...

KhulisoM by Associate
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Resolved! How to get RSSI value for P2P communication.

We checked the P2P communication and was successful in communicating between ST25R3918 and ST25R3916B.Is it possible to measure the P2P RSSI in the same way using rfalGetTransceiveRSSI()?In the case of NFC tags, we can get the RSSI based on the call ...

Resolved! STSW-ST25RFAL002 v3.0.1 Memory Needs

Hello!We are using ST25R3916B in our new NFC-based access control product. We use NFC-A and T4 communication for Mifare Classic, Desfire cards, and Android NFC apps. The STSW-ST25RFAL002 with the following configuration seems to be using around 8KB o...