Mask Set Erratas (MSEs) describe anomolies to
normal documented operation. The MSE is applicable only to
the listed mask sets.
Mask set numbers indicate different revisions of microcontrollers
due to design or manufacturing changes. The mask set is
identified by a four-character code consisting of a letter,
two numerical digits, and a letter (e.g., G40G). Slight
variations to the mask set identification code may result
in an optional numerical digit preceding the standard four-character
code (e.g., 1G40G). The mask set number is printed on all
68HCS12 microcontrollers.
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