topic Re: PCA9698 ERROR in Digital Signal Controllers https://community.nxp.com/t5/Digital-Signal-Controllers/PCA9698-ERROR/m-p/1017167#M1800 <HTML><HEAD></HEAD><BODY><P>Please also provide schematic!</P></BODY></HTML> Wed, 08 Jan 2020 05:59:21 GMT guoweisun 2020-01-08T05:59:21Z PCA9698 ERROR https://community.nxp.com/t5/Digital-Signal-Controllers/PCA9698-ERROR/m-p/1017166#M1799 <HTML><HEAD></HEAD><BODY><P>HI</P><P>I use PCA9698 to solve the problem of insufficient IO port.</P><P></P><P>But there are problems in the use process：</P><P></P><P>I use the IO of pca9698 to control the digital switch（ADG1612），when the control port of the digital switch is not connected to the IO port of pca9698，i can control the IO as i want.</P><P>But&nbsp;<SPAN>w</SPAN><SPAN>hen more than 4</SPAN><SPAN>&nbsp;control ports of the digital switch are&nbsp; connected to the IO port of pca9698（these ports is in one register），and IO is configured as output,<STRONG>if set these ports(more than 4 ports) HIGH at same time</STRONG>，Configuration registers corresponding to these ports will be&nbsp;configure as input.&nbsp;In this case, it is invalid to configure IO as output.</SPAN></P></BODY></HTML> Wed, 25 Dec 2019 05:29:49 GMT https://community.nxp.com/t5/Digital-Signal-Controllers/PCA9698-ERROR/m-p/1017166#M1799 shoujian_lv 2019-12-25T05:29:49Z Re: PCA9698 ERROR https://community.nxp.com/t5/Digital-Signal-Controllers/PCA9698-ERROR/m-p/1017167#M1800 <HTML><HEAD></HEAD><BODY><P>Please also provide schematic!</P></BODY></HTML> Wed, 08 Jan 2020 05:59:21 GMT https://community.nxp.com/t5/Digital-Signal-Controllers/PCA9698-ERROR/m-p/1017167#M1800 guoweisun 2020-01-08T05:59:21Z