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Ok! That is what I thought, but what I couldn't understand from the
manual clearly. So why are those 'special modes mentioned at all? If they are not supposed to be used? Ok I know that many-times this occurs in manuals. Thanks for all responses! Jan On Mon, Jul 14, 2003 at 09:09:16AM -0400, John Breitenbach wrote: > Jan, > > in manual there is written following about CANTCL1 register bits > (ch. 8.8.2 of 5680x User's manual): > > "These bits are read/write at any time when SFTRES = 1, except CANE. > It is write once in normal modes and any time in special modes when > SFTRES = 1." > > This sentence might have been a little clearer if it was written as three sentences: > > "CANE is write once in normal modes when SFTRES=1. It may be written at any time in special modes when SFTRES=1. The special modes are undocumented and the user can/should not ever be running in special mode". > > At least that's the way that I read it, and that's the way the bit seems to function in my code and in yours. Hope that helps. > > Best regards, > > - John Breitenbach > - Atlantex Corp. > - (201) 664-3445 > - > > "Quote me as saying I was misquoted" - Groucho Marx |