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APU Oscillator: Difference between revisions
From SnesLab
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[[File:APU_Oscillator_schematic.png|thumb|The APU oscillator (X2) is in region 3C of the [[jwdonal schematic]]]] | [[File:APU_Oscillator_schematic.png|thumb|The APU oscillator (X2) is in region 3C of the [[jwdonal schematic]]]] | ||
The '''APU oscillator''' (X2) is clocked at 24.6 MHz. | The '''APU oscillator''' (X2) is clocked at 24.6 MHz, slightly faster than the [[master clock]]. | ||
* Side 1 is XTALO, connected to pin 45 of the [[S-DSP]]. | |||
* Side 2 is XTALI, connected to pin 46 of the [[S-DSP]]. | |||
It does not clock the [[S-SMP]]. | It does not clock the [[S-SMP]]. | ||
Revision as of 04:52, 12 August 2024
The APU oscillator (X2) is in region 3C of the jwdonal schematic
The APU oscillator (X2) is clocked at 24.6 MHz, slightly faster than the master clock.
- Side 1 is XTALO, connected to pin 45 of the S-DSP.
- Side 2 is XTALI, connected to pin 46 of the S-DSP.
It does not clock the S-SMP.
See Also
References
- http://problemkaputt.de/fullsnes.htm#snestimingoscillators
- Figure 2-22-1 on page 2-22-2 of the official Super Nintendo development manual