topic Re: NHS3152/A1Z (Reverse) pin Definition in NFC https://community.nxp.com/t5/NFC/NHS3152-A1Z-Reverse-pin-Definition/m-p/1001457#M6545 <HTML><HEAD></HEAD><BODY><P>Hi Weidong, Hello Kelvin,</P><P></P><P>Actually, [2] only refers to the pads that carry the analog signals in the NHS3152 IC. The comment does not apply to pad 10.</P><P></P><P>The reserved pin has an internal weak pull-down, and can be left floating or tied to ground. The PCB designer(s) of our test boards always tie it to ground, to ensure the pin can never be high.</P><P></P><P>So the end recommendation stays the same: it is best to tie it to ground.</P><P></P><P>Best regards,<BR />Dries.</P></BODY></HTML> Wed, 04 Dec 2019 12:13:31 GMT driesmoors 2019-12-04T12:13:31Z NHS3152/A1Z (Reverse) pin Definition https://community.nxp.com/t5/NFC/NHS3152-A1Z-Reverse-pin-Definition/m-p/1001455#M6543 <HTML><HEAD></HEAD><BODY><P>The NH3152 Therapy Adherence Board connect the&nbsp;NHS3152/A1Z pin 10 to GND and labels it CE.&nbsp; But the Datasheet indicates pin 10 for this package is a (reserved) pin.&nbsp; I was looking in the datasheet and user manual no information was found if the pin can be floated or should be connected to GND?</P></BODY></HTML> Tue, 03 Dec 2019 22:42:41 GMT https://community.nxp.com/t5/NFC/NHS3152-A1Z-Reverse-pin-Definition/m-p/1001455#M6543 kelvin_hasseler 2019-12-03T22:42:41Z Re: NHS3152/A1Z (Reverse) pin Definition https://community.nxp.com/t5/NFC/NHS3152-A1Z-Reverse-pin-Definition/m-p/1001456#M6544 <HTML><HEAD></HEAD><BODY><P>Hello <A _jive_internal="true" data-content-finding="Community" data-userid="335763" data-username="kelvin.hasseler@jpsed.com" href="https://community.nxp.com/people/kelvin.hasseler@jpsed.com">Kelvin</A>,</P><P>&nbsp;&nbsp; Download um10876.pdf(<A href="https://www.nxp.com/docs/en/user-guide/UM10876.pdf" target="_blank"><STRONG>NHS31xx User manual</STRONG></A>)， please!</P><P><A class="link-titled" href="https://www.nxp.com/products/rfid-nfc/nfc-hf/ntag/ntag-smartsensor/ntag-smartsensor-with-temperature-sensor-digital-and-analog-ios:NHS3152?fpsp=1&amp;tab=Documentation_Tab" title="https://www.nxp.com/products/rfid-nfc/nfc-hf/ntag/ntag-smartsensor/ntag-smartsensor-with-temperature-sensor-digital-and-analog-ios:NHS3152?fpsp=1&amp;tab=Documentation_Tab">NHS3152: NTAG SmartSensor with Temperature Sensor, Digital and Analog IOs | NXP</A>&nbsp;</P><P></P><P>Then you will see the comment on the pin , like below:</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/95521i7F4996103698A6E4/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P>Hope the information is helpful for you!</P><P>Have a nice day!</P><P>BR,</P><P>Weidong</P></BODY></HTML> Wed, 04 Dec 2019 07:32:47 GMT https://community.nxp.com/t5/NFC/NHS3152-A1Z-Reverse-pin-Definition/m-p/1001456#M6544 weidong_sun 2019-12-04T07:32:47Z Re: NHS3152/A1Z (Reverse) pin Definition https://community.nxp.com/t5/NFC/NHS3152-A1Z-Reverse-pin-Definition/m-p/1001457#M6545 <HTML><HEAD></HEAD><BODY><P>Hi Weidong, Hello Kelvin,</P><P></P><P>Actually, [2] only refers to the pads that carry the analog signals in the NHS3152 IC. The comment does not apply to pad 10.</P><P></P><P>The reserved pin has an internal weak pull-down, and can be left floating or tied to ground. The PCB designer(s) of our test boards always tie it to ground, to ensure the pin can never be high.</P><P></P><P>So the end recommendation stays the same: it is best to tie it to ground.</P><P></P><P>Best regards,<BR />Dries.</P></BODY></HTML> Wed, 04 Dec 2019 12:13:31 GMT https://community.nxp.com/t5/NFC/NHS3152-A1Z-Reverse-pin-Definition/m-p/1001457#M6545 driesmoors 2019-12-04T12:13:31Z Re: NHS3152/A1Z (Reverse) pin Definition https://community.nxp.com/t5/NFC/NHS3152-A1Z-Reverse-pin-Definition/m-p/1001458#M6546 <HTML><HEAD></HEAD><BODY><P>Thank you</P><P></P><P>Kelvin</P></BODY></HTML> Wed, 04 Dec 2019 14:48:41 GMT https://community.nxp.com/t5/NFC/NHS3152-A1Z-Reverse-pin-Definition/m-p/1001458#M6546 kelvin_hasseler 2019-12-04T14:48:41Z Re: NHS3152/A1Z (Reverse) pin Definition https://community.nxp.com/t5/NFC/NHS3152-A1Z-Reverse-pin-Definition/m-p/1001459#M6547 <HTML><HEAD></HEAD><BODY><P>Thank you</P></BODY></HTML> Wed, 04 Dec 2019 14:48:41 GMT https://community.nxp.com/t5/NFC/NHS3152-A1Z-Reverse-pin-Definition/m-p/1001459#M6547 kelvin_hasseler 2019-12-04T14:48:41Z Re: NHS3152/A1Z (Reverse) pin Definition https://community.nxp.com/t5/NFC/NHS3152-A1Z-Reverse-pin-Definition/m-p/1001460#M6548 <HTML><HEAD></HEAD><BODY><P>ok, <SPAN class=""><A _jive_internal="true" class="" data-content-finding="Community" data-userid="283960" data-username="driesmoors" href="https://community.nxp.com/people/driesmoors">Dries Moors</A></SPAN>, Got it!</P><P>Thanks a lot !</P><P></P><P>Have a nice day!</P><P>BR,</P><P>weidong</P></BODY></HTML> Thu, 05 Dec 2019 04:26:21 GMT https://community.nxp.com/t5/NFC/NHS3152-A1Z-Reverse-pin-Definition/m-p/1001460#M6548 weidong_sun 2019-12-05T04:26:21Z