topic Re: Problem with pin reset on MCU MKL25Z128VLK4. in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/Problem-with-pin-reset-on-MCU-MKL25Z128VLK4/m-p/317394#M14049 <HTML><HEAD></HEAD><BODY><P>Hello:</P><P></P><P>The signal on the reset pin is normal in new devices. Device is reset because of the watchdog or illegal instruction fault.</P><P></P><P>To eliminate this, the first thing to do with a new device is a mass erase. There are several options to do a mass erase, depending on the IDE + programming tool you use.</P><P></P><P>And about the external oscillator, it has to be enabled first by code.</P><P></P><P><BR />Regards!,<BR />Jorge Gonzalez</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 11 Jun 2014 15:11:44 GMT Jorge_Gonzalez 2014-06-11T15:11:44Z Problem with pin reset on MCU MKL25Z128VLK4. https://community.nxp.com/t5/Kinetis-Microcontrollers/Problem-with-pin-reset-on-MCU-MKL25Z128VLK4/m-p/317393#M14048 <HTML><HEAD></HEAD><BODY><P>I started a new project with a similar design to Freedom KL25Z OPENSDA, my board not working Correctly, the MKL25Z128VLK4 is always reset, the pin 42 is pulled with 10 K to VCC, </P><P>the extern oscillator 8 MHz not clock, the waveform on pin reset (42) is similar to ramp at frequency 32KHz. </P></BODY></HTML> Wed, 11 Jun 2014 13:07:18 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Problem-with-pin-reset-on-MCU-MKL25Z128VLK4/m-p/317393#M14048 sacchettigiampa 2014-06-11T13:07:18Z Re: Problem with pin reset on MCU MKL25Z128VLK4. https://community.nxp.com/t5/Kinetis-Microcontrollers/Problem-with-pin-reset-on-MCU-MKL25Z128VLK4/m-p/317394#M14049 <HTML><HEAD></HEAD><BODY><P>Hello:</P><P></P><P>The signal on the reset pin is normal in new devices. Device is reset because of the watchdog or illegal instruction fault.</P><P></P><P>To eliminate this, the first thing to do with a new device is a mass erase. There are several options to do a mass erase, depending on the IDE + programming tool you use.</P><P></P><P>And about the external oscillator, it has to be enabled first by code.</P><P></P><P><BR />Regards!,<BR />Jorge Gonzalez</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 11 Jun 2014 15:11:44 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Problem-with-pin-reset-on-MCU-MKL25Z128VLK4/m-p/317394#M14049 Jorge_Gonzalez 2014-06-11T15:11:44Z