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List of Decoupling Capacitors: Difference between revisions
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The SNES has several '''decoupling capacitors''' connected to (mostly) [[VCC]] and ground. On the | The SNES has several '''decoupling capacitors''' connected to (mostly) [[VCC]] and ground. On the [[jwdonal schematic]], some of the are: | ||
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Latest revision as of 07:06, 18 July 2023
The SNES has several decoupling capacitors connected to (mostly) VCC and ground. On the jwdonal schematic, some of the are:
| Name | Connectivity | Capacitance |
|---|---|---|
| C85 | in parallel with the F411 CIC | 0.1 microfarad |
| C90 | in parallel with the S-CPU | 0.1 microfarad |
| C91 | in parallel with S-PPU1 | 0.1 microfarad |
| C92 | in parallel with S-PPU2 | 0.1 microfarad |
| C93 | in parallel with the upper VRAM chip | 0.1 microfarad |
| C94 | in parallel with the lower VRAM chip | 0.1 microfarad |
| C95 | in parallel with S-WRAM | 0.1 microfarad |
| C87 | in parallel with S-SMP | 0.1 microfarad |
| C98 and C99 | in parallel with S-DSP | 0.1 microfarad |
| C100 | in parallel with the lower ARAM chip | 0.1 microfarad |
| C101 | in parallel with the upper ARAM chip | 0.1 microfarad |
| C84 | in parallel with the Video Encoder | 1 microfarad |
This 0.1 microfarad decoupling cap is connected to VS:
- C80, in parallel with the Pre-Amplifier op-amp for the right stereo channel