JTAG Lockout Recovery Sequence for MAC7111?

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  • JTAG Lockout Recovery Sequence for MAC7111?

    Hi,



    After erasing and resetting my MAC7111MAG40 I've got problem connecting to the chip(and in that way I'm not able to program it). The error message I get is "Unable to halt core". I contacted Freescale and they said that the chip seems to be secured. And I just needed to follow the JTAG Lockout Recovery Sequence.... Does anybody know this sequence or where I can find it?



    I'm currently using SEGGER J-FLASH ARM for downloading program into flash, and I also used this program for erasing the chip. J-FLASH also got the feature of unsecuring the chip, but when using this feature, nothing happens, still "Unable to halt core"



    Any suggestions?



    Timber