Search Results

Search results 1-1 of 1.

This site uses cookies. By continuing to browse this site, you are agreeing to our Cookie Policy.

  • iMX8M Plus Cortex-M7 JTAG Debug "Could not measure IR len. TDO is constant high"

    SegFault0 - - J-Link/Flasher related

    Post

    Hello, I am currently trying to debug the Cortex-M7 coprocessor of the i.MX8MP. However, I cannot establish a connection and get the error message "Could not measure IR len. TDO is contant high". I have already measured the physical connection several times. The pins used are: JTAG_RST, JTAG_TDO, JTAG_TCK, JTAG_TMS, JTAG_TDI, JTAG_nTRST, 3V3 and GND. I also use the JLinkScript for the i.MX8MP (SDK_MX8MP_3RDPARTY_Patch) in combination with the J-Link Plus debug probe. What confuses me a bit is th…