Hi, Eduard
There are a few differences, but in general they are pretty much the same, and yes they are pin compatible.
You can download a document at this link so you can review all the differences.
http://cache.freescale.com/files/microcontrollers/doc/eng_bulletin/EB800.pdf?fasp=1&WT_TYPE=Engineer...
Hope it helps.
Best regards!
Patricia
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