Deciphering markings on a mask-programmed HC11

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Deciphering markings on a mask-programmed HC11

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meterman1980
Contributor I

I've had this board kicking around for a while that has a Motorola processor on it (in a PLCC-52 form factor).

I recently realized that it is actually a mask-programmed version of the 68HC11E9.

There are some additional markings on the chip, and I just want to verify that they would include the firmware that would have been masked into the chip at the time of manufacture.

Note: Some information on this thread has been removed as it may contain sensitive information.

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meterman1980
Contributor I

I don't even have an authorized rep. I'm just a hobbyist.

I eventually got my answer elsewhere.

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Pablo_Ramos
NXP Employee
NXP Employee

Hi @meterman1980,

For marking information, please contact your Authorized NXP Representative.

Best Regards,

Pablo

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