https://community.nxp.com/t5/Other-NXP-Products/PCAL6524/m-p/1526557#M15344 <P>Hi,</P><P>Currently, we are using the I/O expander using the part number&nbsp;PCAL6524 based on I2C communications. Could you please confirm that it could support backward compatible speed to standard &amp; Fast mode?&nbsp;</P><P>Thanks,</P><P>Dinesh</P> Thu, 22 Sep 2022 07:58:35 GMT DK4509 2022-09-22T07:58:35Z https://community.nxp.com/t5/Other-NXP-Products/PCAL6524/m-p/1526557#M15344 <P>Hi,</P><P>Currently, we are using the I/O expander using the part number&nbsp;PCAL6524 based on I2C communications. Could you please confirm that it could support backward compatible speed to standard &amp; Fast mode?&nbsp;</P><P>Thanks,</P><P>Dinesh</P> Thu, 22 Sep 2022 07:58:35 GMT https://community.nxp.com/t5/Other-NXP-Products/PCAL6524/m-p/1526557#M15344 DK4509 2022-09-22T07:58:35Z https://community.nxp.com/t5/Other-NXP-Products/PCAL6524/m-p/1527862#M15363 <P>Yes,it could!</P> Mon, 26 Sep 2022 06:00:08 GMT https://community.nxp.com/t5/Other-NXP-Products/PCAL6524/m-p/1527862#M15363 guoweisun 2022-09-26T06:00:08Z