nand flash driver

[jasmine at regolith.co.uk]

On Thu, 10 Jul 2003, David Woodhouse wrote:

> Hmmm. When sending multiple bytes of address, isn't ALE supposed to
> remain high for the entire duration, without going low again between
> cycles? How do you achieve this if it's on the address bus?

By waiting to see if the next write is to the same address-  it's not hard 
to do that sort of thing in an FPGA or SoC.  Since the only line involved 
is the ALE to the NAND, there's no downside in hanging on a little longer
before dropping it.

-J.