Subject: Re: [stella] Clock skew... From: "C. Bond" <cbond@xxxxxxxxxxxxx> Date: Fri, 17 Jun 2005 20:45:15 -0400 |
-----Original Message----- From: Chris Wilkson <ecwilkso@xxxxxxx> Sent: Jun 17, 2005 12:31 PM To: stella@xxxxxxxxxxxxxxxxxx Subject: Re: [stella] Clock skew... Chris, you wrote: [snip] "The Phi0 clock is only used by the 650x. Everything else is based off of Phi2. So the Phi0-Phi2 delay isn't really important to the overall system." Yes, but... The Phi0 clock is generated in the TIA from the same clock that drives the divide-by-four, two-phase H01 and H02 clock. Therefore if the Phi2 delay is excessive, when it is used for strobing data latches in the TIA -- well, you can see there could be a problem. I'll try to scope the lag sometime in the next week or so. If you don't hear back by the end of next week, kindly remind me. :) -Chris Thanks. Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://stella.biglist.com
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