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mcf5253 external bus byte write

Question asked by Paul Arnold on Nov 12, 2009
Latest reply on Nov 12, 2009 by Paul Arnold



I'm looking at using the MCF5253 with a word wide SRAM on the external bus.

However, I cannot see any way of controlling which bytes of the data bus are active on a write.

Other MCF52XX chips I've used have a uppler/lower data bus strobe but this doesn't appear to have those.


Anybody done this before or knows what I'm missing ?


I see there have been similar questions to this for the mcf5249 on here but they didn't seem to get a reply/solution.