Hey :-) I am working on an USB interface for Nintendos NES/SNES Joaypads. I figured out that the NES joypad uses a HD14021B shift register. Thats easy to work with but I could not find anything about the one in the SNES joypad. It is labled as 1. line: "TG9530H" 2. line: "V520B" and the screen print on the pcb says "IC-520B-ONLY" please see the attached picture Can anyone of you tell me where I can find a datasheet for that IC? TIA chris
Here are some usefull information. http://www.raphnet.net/electronique/arcade_control/arcade_control_en.php
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