I would like to know to which module belongs pin MCLK and what is this pin ,i.e. pin 62: PTC2/MCLK on the 64-pin QFP/LQFP of MCF51AC .
Thank you ,
I have found. It is described on the pages 5-13 and 5-14 of MCF51AC256RM.pdf .
This signal is connected with the bus frequency :
MCLK frequency = Bus clock frequency /(2 * MCSEL) .
In Adobe Acrobat, Control-F will let you search a document for keywords, and Control-Shift-F will bring up a window with all matches. There are 21 matches for "MCLK" (whole word, match case) in the Reference Manual.
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