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PST529

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The PST529 serves as the SNES' voltage supervisor. It is labeled "RESET IC" in the block diagram in the official Nintendo documentation.

PST529 voltage supervisor, in region A3 of the jwdonal schematic

References

[1] Figure 2-22-1, "Super NES Functional Block Diagram" on page 2-22-2 of Book I: https://archive.org/details/SNESDevManual/book1/page/n97

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