topic NFC and APP Application in NFC https://community.nxp.com/t5/NFC/NFC-and-APP-Application/m-p/1002846#M6574 <HTML><HEAD></HEAD><BODY><P>We are using NT3H211(NTAG) with I2C for mobile and MCU controlling. In datasheet, cheapt11, it mentioned: "If both interfaces are powered by their corresponding source, only one interface has access to the EEPROM and SRAM according to the "first-come, first-serve" principle".</P><P>So, here's the question, The mobile and MCU are both controlling NFC. The mobile finished NFC TAG read/write, and keep connecting NFC TAG (Mobile is still closed to NFC). How to change the control to MCU??</P><P></P><P><SPAN style="color: #008000; background-color: #ffffff; border: 0px; font-size: 16px;"><SPAN style="border: 0px; color: #666666; font-weight: bold; font-size: 16px; ">******</SPAN><STRONG style="border: 0px; font-weight: bold; font-size: 16px;">I’m not familiar with using this, could someone please lend me a hand?</STRONG></SPAN></P><P><SPAN style="color: #222222; background-color: #ffffff; font-size: small;">&nbsp;</SPAN></P><P></P><P><SPAN style="color: #222222; background-color: #ffffff; font-size: small;">&nbsp; &nbsp; &nbsp; &nbsp;<span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/102270i4F1574D3D7776FC9/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></SPAN></P></BODY></HTML> Mon, 10 Feb 2020 03:05:09 GMT topfuel8911 2020-02-10T03:05:09Z NFC and APP Application https://community.nxp.com/t5/NFC/NFC-and-APP-Application/m-p/1002846#M6574 <HTML><HEAD></HEAD><BODY><P>We are using NT3H211(NTAG) with I2C for mobile and MCU controlling. In datasheet, cheapt11, it mentioned: "If both interfaces are powered by their corresponding source, only one interface has access to the EEPROM and SRAM according to the "first-come, first-serve" principle".</P><P>So, here's the question, The mobile and MCU are both controlling NFC. The mobile finished NFC TAG read/write, and keep connecting NFC TAG (Mobile is still closed to NFC). How to change the control to MCU??</P><P></P><P><SPAN style="color: #008000; background-color: #ffffff; border: 0px; font-size: 16px;"><SPAN style="border: 0px; color: #666666; font-weight: bold; font-size: 16px; ">******</SPAN><STRONG style="border: 0px; font-weight: bold; font-size: 16px;">I’m not familiar with using this, could someone please lend me a hand?</STRONG></SPAN></P><P><SPAN style="color: #222222; background-color: #ffffff; font-size: small;">&nbsp;</SPAN></P><P></P><P><SPAN style="color: #222222; background-color: #ffffff; font-size: small;">&nbsp; &nbsp; &nbsp; &nbsp;<span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/102270i4F1574D3D7776FC9/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></SPAN></P></BODY></HTML> Mon, 10 Feb 2020 03:05:09 GMT https://community.nxp.com/t5/NFC/NFC-and-APP-Application/m-p/1002846#M6574 topfuel8911 2020-02-10T03:05:09Z Re: NFC and APP Application https://community.nxp.com/t5/NFC/NFC-and-APP-Application/m-p/1002847#M6575 <HTML><HEAD></HEAD><BODY><P>Hi Rich,</P><P>&nbsp;</P><P>Hope you are doing well. Please take a look to the section 11.1.2 of the Data Sheet.</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper" image-alt="Interface access.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/103401i074283D54DB81030/image-size/large?v=v2&amp;px=999" role="button" title="Interface access.png" alt="Interface access.png" /></span></P><P>&nbsp;</P><P>Could you please help me confirm if this was helpful for you ? If you have any questions please don't hesitate to ask.</P><P>&nbsp;</P><P>Best Regards,</P><P>Ricardo</P></BODY></HTML> Mon, 10 Feb 2020 18:56:05 GMT https://community.nxp.com/t5/NFC/NFC-and-APP-Application/m-p/1002847#M6575 nxf58474 2020-02-10T18:56:05Z