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dierdorf · 2023-09-21

How a read memory command over RF works? I use the NFC Tap App and use the Read Memory command, where i can select Start Block ande Number of itmes. On the otherside i have a ST25DV64KC Tag.The question is, do the read use the mailbox or it is possib...

dierdorf · 2023-09-01

Hello, i'm starting to work with a ST25DV64 device and at beginning the read command of UID (Address 0x0018) just work fine. And i get the UID of the chip.But after implement some write commands (password,fast transfer mode, enable gpo,...) the chip ...

dierdorf · 2023-09-21

Thanks Brian,for me it was not clear that "Read Memory" means "Read Single Block".I'm wondering because about the "Write Memory" command i find following in the Datasheet: "The data written in user memory (EEPROM), either from I2C or from RF, transit...

dierdorf · 2023-09-08

Thanks a lot! I get the modules work again. Best regards

dierdorf · 2023-09-05

Thank you very much! It's unbelievable that a new derivate change has so strong impact to the functionality.Are there a way to recover the slave address via I2C or RF?We are very happy that we now know, why our modules cancel the I2C communication.Be...

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How a read memory command over RF works

Reading of ST25DV returns NACK via I2C

Re: How a read memory command over RF works

Re: Reading of ST25DV returns NACK via I2C

Re: Reading of ST25DV returns NACK via I2C