topic Over voltage Power Supply effects on Kinetis K26 microcontroller IO's states in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/Over-voltage-Power-Supply-effects-on-Kinetis-K26-microcontroller/m-p/909708#M53323 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>we are using <SPAN style="color: #4a4a4d; background-color: #ffffff; font-size: 16px;">Kinetis K26 m</SPAN>icrocontroller<SPAN>&nbsp;in our design. based on the datasheet, supply voltage is 3.3V +/- 10%. in normal operation supply voltage is well with in the mentioned range of 3.3V+/-10%. </SPAN></P><P><SPAN>However we would like to know the IO's state when power supply range goes&nbsp;above the maximum voltage of 3.6V (maximum of 4.1V).</SPAN></P><P><SPAN>will controller retain the previous state of IO's?</SPAN></P><P><SPAN>will the state of IO's will be tri-state / High impedance?</SPAN></P><P></P><P>Thanks,</P><P>Puneeth KB</P></BODY></HTML> Wed, 11 Sep 2019 06:26:28 GMT puneeth_bheemar 2019-09-11T06:26:28Z Over voltage Power Supply effects on Kinetis K26 microcontroller IO's states https://community.nxp.com/t5/Kinetis-Microcontrollers/Over-voltage-Power-Supply-effects-on-Kinetis-K26-microcontroller/m-p/909708#M53323 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>we are using <SPAN style="color: #4a4a4d; background-color: #ffffff; font-size: 16px;">Kinetis K26 m</SPAN>icrocontroller<SPAN>&nbsp;in our design. based on the datasheet, supply voltage is 3.3V +/- 10%. in normal operation supply voltage is well with in the mentioned range of 3.3V+/-10%. </SPAN></P><P><SPAN>However we would like to know the IO's state when power supply range goes&nbsp;above the maximum voltage of 3.6V (maximum of 4.1V).</SPAN></P><P><SPAN>will controller retain the previous state of IO's?</SPAN></P><P><SPAN>will the state of IO's will be tri-state / High impedance?</SPAN></P><P></P><P>Thanks,</P><P>Puneeth KB</P></BODY></HTML> Wed, 11 Sep 2019 06:26:28 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Over-voltage-Power-Supply-effects-on-Kinetis-K26-microcontroller/m-p/909708#M53323 puneeth_bheemar 2019-09-11T06:26:28Z Re: Over voltage Power Supply effects on Kinetis K26 microcontroller IO's states https://community.nxp.com/t5/Kinetis-Microcontrollers/Over-voltage-Power-Supply-effects-on-Kinetis-K26-microcontroller/m-p/909709#M53324 <HTML><HEAD></HEAD><BODY><P><SPAN class="">Hi Puneeth, <BR /></SPAN></P><P><SPAN class="">No, it won't. Although supply power over 3.6v may harm to the device, it will not change the pin into tri-state or high-impedance.</SPAN></P><P><SPAN class=""></SPAN></P><P><SPAN class="">Regards,</SPAN></P><P><SPAN class="">Jing</SPAN></P></BODY></HTML> Thu, 12 Sep 2019 08:15:59 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Over-voltage-Power-Supply-effects-on-Kinetis-K26-microcontroller/m-p/909709#M53324 jingpan 2019-09-12T08:15:59Z