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CPUK: Difference between revisions

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Revision as of 03:07, 17 July 2023

CPUK is the SPC700's clock signal, which oscillates at 2.048 MHz with a 50% duty cycle. It is produced by pin 48 of the S-DSP and goes into pin 16 of the SPC700. It does not connect to anything else.

The official dev manual has a typo that states that the speed is 2.48 MHz. [2]

External Links

  1. https://archive.nes.science/nesdev-forums/f12/t10458.xhtml
  2. Page 3-1-1 of Book I
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