[comp.sys.m68k] Using 6800 peripheral chips with the 68000

rchampe@hubcap.UUCP (Richard Champeaux) (04/12/88)

     I have question about using 6800 family peripheral chips with a 68000.
First of all, all I presently have for a data book is a rather skimpy 68000
data book put out by a publisher independent from Motorola, and a few
randomly photocopied pages from the Motorola data book.  I think I understand
how the control lines are used to access 6800 chips, but my question is
that when 68000 conforms its bus to the synchronous bus of the 6800, is it
limited to byte transfers.  Specifically, I'd like to hook 2 6821s at an
even and odd address so that I can read and program them together with a
word transfer.  Is this possible?

Thanks in advance,

Rich Champeaux
Clemson University