[stella] Read/Write bus timings...

Subject: [stella] Read/Write bus timings...
From: Mark De Smet <desmet@xxxxxxxxxxxx>
Date: Mon, 14 Jun 1999 22:25:56 -0500 (CDT)
The stella manual has nice timing diagrams indicating the read and write
bus cycles, but they are missing the actual pulse widths and such.  I know
that the stella manual was intended for software people to understand...

General question:  Does anyone know the timing numbers, such as the setup
time for data in a read, and the hold time after the clock edge?  What
about the bus cycle time?(1/4, 1/2 of clock?)

Specifcally, how fast does an eprom need to be to be used on the bus(in a
cart)?  Is 450ns fast enough?

What speeds have people used?

Mark


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