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HP48 Clock Variableness
02-16-2021, 11:08 PM
Post: #9
Christoph Giesselink Offline
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RE: HP48 Clock Variableness
(02-16-2021 10:43 PM)Jonathan Busby Wrote:  
(02-16-2021 07:37 PM)Christoph Giesselink Wrote:  Jonathan is right, the HP48 clock is driven by the 16384Hz TIMER2 directly derived from the 32768Hz crystal.

AFAIK, it's 8192Hz Smile I think you accidentally multiplied the rate by two Smile

Regards,

Jonathan

Hi Jonathan,

that's correct, the TIMER2 frequency is 8192Hz. I accidentally mixed it up with the scan rate for CPU slow down in Emu48.
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Messages In This Thread
HP48 Clock Variableness - TomC - 02-12-2021, 06:12 PM
RE: HP48 Clock Variableness - TomC - 02-15-2021, 12:10 PM
RE: HP48 Clock Variableness - Christoph Giesselink - 02-16-2021 11:08 PM
RE: HP48 Clock Variableness - TomC - 02-16-2021, 08:16 PM
RE: HP48 Clock Variableness - TomC - 02-18-2021, 04:37 PM
RE: HP48 Clock Variableness - Dave Shaffer - 02-19-2021, 10:42 PM
RE: HP48 Clock Variableness - TomC - 02-20-2021, 04:00 PM
RE: HP48 Clock Variableness - BillBee - 02-22-2021, 01:36 PM
RE: HP48 Clock Variableness - TomC - 02-22-2021, 02:45 PM



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