Talk:PPU variants
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Have you tested that `TA-02NP` is indeed capable of switching between 50/60Hz? Because I have it and it does not, pin 16/17 seems to be responsible for the background palette fetching like in UA6538. Out of my chips, only TA-02NPB can switch the video mode. Krzysiobal (talk) 12:49, 27 November 2020 (MST)