Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!zaphod.mps.ohio-state.edu!usc!apple!netcom!mcmahan
From: mcmahan@netcom.UUCP (Dave Mc Mahan)
Newsgroups: comp.sys.amiga.tech
Subject: Phi-2 Frequency on the CIA-B Chip
Message-ID: <10713@netcom.UUCP>
Date: 9 Apr 90 06:23:57 GMT
Organization: NetCom- The Bay Area's Public Access Unix System {408 249-0290 guest}
Lines: 8

I have written a short test program that measures the frequency of the Phi-2
clock signal on the CIA-B chip.  With repeated measurements over varying
periods of time, I keep finding the clock frequency is about 713 KHz.  Is this
correct?  I would have guessed that it is either the system clock (7.14 MHz)
or the colorburst frequency.  Are my math calculations wrong?  If it IS
713 KHz, where is this generated from?

  -dave