[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Bus Clock Speed

>Can anyone tell me if the 33 MHz PCI Bus speed is intended to be exactly
>33.0 MHz (33.3333 ns) or if it is actually 33.3333 MHz (30 ns)? I know the
>spec allows for slower operation, but what is the upper limit? I need to
>pick an oscillator for my test circuits.

I've always run on the assumption that its 33.3333 MHz, so that CPU clock
speeds like 200MHz aren't actually 198 MHz