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! ST25R3920 Firmware Update

Hello,We are using ST25R3920 with another host MCU(NXP S32K116) in a project. Our customer want us to be able to update the firmwares of modules in the board via host MCU if a new feature or some problem fixes are needed.So my question is, does ST25R...

Resolved! ST25RU3993 Engineering Sample (ES)

How to screening ST25RU3993 for Engineering Sample (ES) in our factory's incoming inspection and where is the ES marking located on its case?Currently in a stop production due to this issue.

JimC by Associate
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Resolved! ST25RU3993s with marking "E"

I have ST25RU3993s with marking "E". I see a note in rev.11 datasheet mentioned not to used the "E" or "ES" marking for the production board. (1)Is the note still true? (2)If It's released in the field, what kind of failures do I expect?Thanks,-Tieng

TNguy.50 by Associate II
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Resolved! ST25RU3993 higher than expected power on RX

Hello,I'm currently prototyping a custom design utilizing the ST25RU3993 which should be nearly identical to the reference design HPEV. I've removed the external PA and 2nd antenna, but otherwise the design is very similar. I've attached the schemati...

SZhen.3 by Associate
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  • 3 replies
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Resolved! Problem with ST25R95_EMI_FILTER_CALCULATION excel

Hello.I have the latest version of Excel and when I open the .xlsm the following message appears: We have found a problem with content..... ¿Do you want to recover.....If I say yes all the formulas are broken. (I have the macros enable and the file i...

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JSope.1 by Associate II
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  • 1 replies
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