Shell bottom: No photoScreenshoots: No photoExtra info:
As expected, such PCB like this one (glob MMC3 + two DIP28 mask-roms) havs some shuffled lines for anty-copy (this time:
MMC3-PRG-A15 -> PRG-ROM-A16
MMC3-PRG-A16 -> PRG-ROM-A15
MMC3-CHR-A15 -> CHR-ROM-A16
MMC3-CHR-A16 -> CHR-ROM-A15
Other than that, MMC3 pinout matchesy the AX5202P (except the non-used pins)
[url=https://obrazki.elektroda.pl/3331969300_1600759474_org.jpg][img]https://obrazki.elektroda.pl/3331969300_1600759474_thumb.jpg[/img][/url] [url=https://obrazki.elektroda.pl/6625789100_1600759478_org.jpg][img]https://obrazki.elektroda.pl/6625789100_1600759478_thumb.jpg[/img][/url] [url=https://obrazki.elektroda.pl/5380192400_1600759479.png][img]https://obrazki.elektroda.pl/5380192400_1600759479_thumb.jpg[/img][/url]