FAQ: Power On indicator for ST25DV

Version 1

    Q:

    Is there a way how a RF reader can recognize that the ST25DV has Vcc on and RAM buffer can be used? Any RF command, or register settings to read?
    A:
    Yes, there is a it in a register to indicates VCC on. RF can read register EH_CTRL_Dyn, bit 3 VCC_ON. Register is always readable.
    Details about this register and how to access in below table:
    ST25DV VCC_ON
    Important Note: Official ST25DV Datasheet might have been released and published on st.com in the meantime. Please check availability and use SEARCH function on www.st.com or proceed to ST25 product pages: ST25DV series Dynamic NFC Tags 
    (extracted from ST Online Support)