[En-Nut-Discussion] Ethernut 2.1 Ram

[Harald Kipp]

Christo,

At 15:58 05.09.2006 +0200, you wrote:
>Hi, I am trying a new Ram chip with Ethernut 2.1 , but it does not seem
>to work. This is a Cy62148 -70, with the same memory size as the K6T4008
>which is normally fitted. I think the delay time off the K6T.. device is
>50 ns compared to the Cy.. which is 70ns. Would this be the problem??

As far as I remember, there is some tight timing somewhere
in the access cycle. Did you try to add wait states? If that
doesn't help, the problem might be somewhere else.

We never experienced RAM timing problems with 70ns RAMs,
but in almost all cases we used chips from Samsung.

Harald