https://community.nxp.com/t5/Other-NXP-Products/How-to-distinguish-each-PCA9616-connected-in-parallel/m-p/1289592#M11252 <P>Hi All,</P><P>In the attached file, how does the Analog Board (Master) distinguish between TD_ID_Board #1 (Slave#1) and TD_ID_Board #2 (Slave#2)?<BR />In general, in the case of I2C, each Slave's address can be used to distinguish each Slave, but can PCA9616 also distinguish each Slave with an address like general I2C?<BR />And should I set each TD_ID_Board to HW or SW? If so, can you tell me how?</P><P>Thank you in advance.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="PCA9616.JPG" style="width: 951px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/146669i8691151ED317B85B/image-size/large?v=v2&amp;px=999" role="button" title="PCA9616.JPG" alt="PCA9616.JPG" /></span></P><P>&nbsp;</P> Wed, 09 Jun 2021 05:02:17 GMT kenneth_seo 2021-06-09T05:02:17Z https://community.nxp.com/t5/Other-NXP-Products/How-to-distinguish-each-PCA9616-connected-in-parallel/m-p/1289592#M11252 <P>Hi All,</P><P>In the attached file, how does the Analog Board (Master) distinguish between TD_ID_Board #1 (Slave#1) and TD_ID_Board #2 (Slave#2)?<BR />In general, in the case of I2C, each Slave's address can be used to distinguish each Slave, but can PCA9616 also distinguish each Slave with an address like general I2C?<BR />And should I set each TD_ID_Board to HW or SW? If so, can you tell me how?</P><P>Thank you in advance.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="PCA9616.JPG" style="width: 951px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/146669i8691151ED317B85B/image-size/large?v=v2&amp;px=999" role="button" title="PCA9616.JPG" alt="PCA9616.JPG" /></span></P><P>&nbsp;</P> Wed, 09 Jun 2021 05:02:17 GMT https://community.nxp.com/t5/Other-NXP-Products/How-to-distinguish-each-PCA9616-connected-in-parallel/m-p/1289592#M11252 kenneth_seo 2021-06-09T05:02:17Z https://community.nxp.com/t5/Other-NXP-Products/How-to-distinguish-each-PCA9616-connected-in-parallel/m-p/1290560#M11265 <P>You can try to use one pair of PCA9616 then at the end of termination use <A href="http://www.nxp.com/products/interfaces/ic-bus-portfolio/ic-multiplexers-switches:MC_41851" target="_blank">I2C Multiplexer</A>&nbsp;</P> Thu, 10 Jun 2021 08:07:33 GMT https://community.nxp.com/t5/Other-NXP-Products/How-to-distinguish-each-PCA9616-connected-in-parallel/m-p/1290560#M11265 guoweisun 2021-06-10T08:07:33Z