topic DemoJM Power in 8-bit Microcontrollers https://community.nxp.com/t5/8-bit-Microcontrollers/DemoJM-Power/m-p/179565#M12879 <HTML><HEAD></HEAD><BODY><DIV>I know the DemoJM board is setup to use 5V.&nbsp; How hard would it be to run it at 3.3V?&nbsp; I'm specifically thinking the IIC port, but why not run the micro at 3.3V?</DIV><DIV>&nbsp;</DIV><DIV>Mark</DIV></BODY></HTML> Wed, 13 Aug 2008 01:48:34 GMT awmark 2008-08-13T01:48:34Z DemoJM Power https://community.nxp.com/t5/8-bit-Microcontrollers/DemoJM-Power/m-p/179565#M12879 <HTML><HEAD></HEAD><BODY><DIV>I know the DemoJM board is setup to use 5V.&nbsp; How hard would it be to run it at 3.3V?&nbsp; I'm specifically thinking the IIC port, but why not run the micro at 3.3V?</DIV><DIV>&nbsp;</DIV><DIV>Mark</DIV></BODY></HTML> Wed, 13 Aug 2008 01:48:34 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/DemoJM-Power/m-p/179565#M12879 awmark 2008-08-13T01:48:34Z Re: DemoJM Power https://community.nxp.com/t5/8-bit-Microcontrollers/DemoJM-Power/m-p/179566#M12880 <HTML><HEAD></HEAD><BODY><DIV>The MCU and peripheral chips all look like they can support 3.3V.&nbsp; If I just replace R28 with a 10K resistor, would that be all that's needed?</DIV><DIV>&nbsp;</DIV><DIV>Thanks,</DIV><DIV>Mark</DIV></BODY></HTML> Wed, 13 Aug 2008 02:28:08 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/DemoJM-Power/m-p/179566#M12880 awmark 2008-08-13T02:28:08Z