RE: What does the "K85H" mean?

As Dr. Perreault pointed out, mask is basically a revision. K85H was the
first revision of the MPC565, also referred to as revision 0a. It was
not released to production manufacture, but was used for prototyping by
many customers.
 
Production mask sets of the MPC565 are 2K16Y (revision C) and the L99N
(revision D).
 
additional information on both BDM and the different mask sets of the
MPC500 devices is available in AN2000 "MPC500 Family Background Debug
Mode":
http://www.freescale.com/files/microcontrollers/doc/app_note/AN2000.pdf
 
randy

	-----Original Message-----
	From: [email protected] [mailto:[email protected]] On
Behalf Of David A. Perreault
	
	
	A mask is a device which is used to create the semiconductor
chip. When 
	you do a layout change, you create a new mask. The number of the
mask 
	that is used to create the part is stamped on the top of the
part. Hence 
	you can track changes to the chip by the mask number. In
addition, 
	errata for a part are usually tracked by mask number. Revision
numbers 
	are different things. They ususally represent a change in the
design 
	specification. This of course would also force a mask change.
	
	Dave
	
	illtll801021 wrote:
	
	>Hi everyone!
	>   I'm a fresh on MPC5xx's family.Now I am studying MPC566 with
Axiom's 
	>MPC566EVB.
	>   When I read the MPC566RM about BDM/JTAG,I could not
understand 
	>the "on mask set K85H".What does the "K85H" mean?
	>   Thanks anybody's help! 



[Non-text portions of this message have been removed]



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