This pdf document "K20 Sub-Family Reference Manual" on the PJRC website https://www.pjrc.com/teensy/K20P64M72SF1RM.pdf
says "Document Number: K20P64M72SF1RM Rev. 1.1, Dec 2012" and is 1377 pages long. In a footer on every page it says "Preliminary General Business Information" in red letters.
By contrast, this pdf document "K20 Sub-Family Reference Manual" from Freescale
http://cache.freescale.com/files/32bit/doc/ref_manual/K20P64M50SF0RM.pdf
"Document Number: K20P64M50SF0RM Rev. 2, Feb 2012" (1227 pages) has an earlier calendar date, but a later revision number, and it does not say "Preliminary" anywhere.
Which one of these documents should I be referring to?
says "Document Number: K20P64M72SF1RM Rev. 1.1, Dec 2012" and is 1377 pages long. In a footer on every page it says "Preliminary General Business Information" in red letters.
By contrast, this pdf document "K20 Sub-Family Reference Manual" from Freescale
http://cache.freescale.com/files/32bit/doc/ref_manual/K20P64M50SF0RM.pdf
"Document Number: K20P64M50SF0RM Rev. 2, Feb 2012" (1227 pages) has an earlier calendar date, but a later revision number, and it does not say "Preliminary" anywhere.
Which one of these documents should I be referring to?