ST25 NFC/RFID tags and readers

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Resolved! How do I get the register map of ST25R95 ?

I'm tring to detect tag infomation by ST25R95.Main board is STM32L476RG.I got the sample code from https://www.st.com/en/embedded-software/x-cube-nfc3.html.Example commands are descripted in the datasheet https://www.st.com/resource/en/datasheet/st25...

Nkama by Associate II
  • 605 Views
  • 8 replies
  • 2 kudos

Resolved! Read data from NFC tag with MB1054B board

Hello, I am using MB1054B board with STSW-95HF002 software package to develop my own application to read ISO14443A NFC tag. In the STSW-95HF002 software package there are several functions that read/write data from the tag. But the data read from the...

Kenadams by Associate II
  • 352 Views
  • 3 replies
  • 2 kudos

Resolved! ST25R3920B_Restart Error

Now I want to make a poller using ST25R3920B.Main mcu is communicating with spi.I tried to turn it to task after initialize, but there was an error in rfalFieldOnAndStartGT() and I followed the code ret = st25r3916PerformCollisionAvoidance( ST25R3916...

eagles64 by Associate II
  • 460 Views
  • 3 replies
  • 0 kudos

Resolved! ST25R95/CR95HF wake up from tag detector without tags

Hi,I'm using an X-NUCLEO-NFC03A1 board with an nRF52840DK. I'm running my own driver on Zephyr and I'm able to read tags by polling. I plan to set the chip in the tag detector WFE so that once a tag is detected, it can wake up the host to handle the ...

Stellar by Associate II
  • 1030 Views
  • 17 replies
  • 1 kudos

Resolved! about the target matching Z for ST25R3916

Dear Sirs,To achieve a longer reading distance, we are tuning the antenna matching parameters.To use the ST25R antenna matching tool, we need to give a value fortarget matching Z and target antenna Q. I wonder how to select the target matching Z for ...

DSai.1 by Associate III
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  • 2 replies
  • 0 kudos

Resolved! What is the Zchip value of a ST25R3916B-AQWT chip?

Hello,What is the Zchip value of a ST25R3916B-AQWT chip?Looking at the AN5276 page 29, the Qucs settings for Zchip is 3Ω and Zchiphalf of 1.5Ω.  Should I use this same value for simulating the ST25R3916B-AQWT chip?  The other app note AN4974 says it ...

pablog by Associate II
  • 532 Views
  • 2 replies
  • 0 kudos