topic OSJTAG activate the JTAG interface without running debugger in OSBDM and TBDML https://community.nxp.com/t5/OSBDM-and-TBDML/OSJTAG-activate-the-JTAG-interface-without-running-debugger/m-p/466089#M3258 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I use the TWR-K21F120M and the connect a debugger from iSystem for hardware trace and debugging.</P><P>When I will use the UART interface from the OSJTAG (on-board MC9S08JM60) it enables his JTAG signal to the target when the USB is connected to a host and the other debugger have problems with the JTAG interface.</P><P>Exists a solution for disabling the JTAG from OSJTAG during no debugger is connected to this?</P><P>In the hardware must the signal OUT_EN (U200 Pin15) deactivate. At the moment exists no jumper for disable the JTAG from the OSJTAG, so I have only a change with a software change or o firmware which only supports the UART device.</P><P></P><P>Bernd</P></BODY></HTML> Thu, 12 May 2016 09:20:02 GMT berndmönnicke 2016-05-12T09:20:02Z OSJTAG activate the JTAG interface without running debugger https://community.nxp.com/t5/OSBDM-and-TBDML/OSJTAG-activate-the-JTAG-interface-without-running-debugger/m-p/466089#M3258 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I use the TWR-K21F120M and the connect a debugger from iSystem for hardware trace and debugging.</P><P>When I will use the UART interface from the OSJTAG (on-board MC9S08JM60) it enables his JTAG signal to the target when the USB is connected to a host and the other debugger have problems with the JTAG interface.</P><P>Exists a solution for disabling the JTAG from OSJTAG during no debugger is connected to this?</P><P>In the hardware must the signal OUT_EN (U200 Pin15) deactivate. At the moment exists no jumper for disable the JTAG from the OSJTAG, so I have only a change with a software change or o firmware which only supports the UART device.</P><P></P><P>Bernd</P></BODY></HTML> Thu, 12 May 2016 09:20:02 GMT https://community.nxp.com/t5/OSBDM-and-TBDML/OSJTAG-activate-the-JTAG-interface-without-running-debugger/m-p/466089#M3258 berndmönnicke 2016-05-12T09:20:02Z