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RTS752 5321T Pinout

Ever wanted to make your own SNES controller? This little guy can help.

It's a nifty little signal combiner for the SNES you can use to hook up your own custom controller to the old gray beast.

Where you can find them is beyond me, but I've seen them in several third-party SNES controllers. They're quite ingenious and very easy to solder compared to the surface-mount chips used in official Nintendo controllers. They're also compact enough to get around the space problems of using to CMOS chips like the GamesX method.

Chip Diagram

             ________
         X -| 1    20|-A
         B -|        |-N/C
(GND)SNES7 -|        |-Y
     SNES4 -|        |-R
     SNES3 -|        |-N/C
     SNES2 -|        |-N/C
     SNES1 -|        |-START
         L -|        |-SELECT
        UP -|        |-LEFT
     RIGHT -|________|-DOWN

Notes

This is probably the most straightforward chip diagram on the planet. If you're new to electronics, the corner of the chip with the small indentation in it marks Pin #1.

All pins marked as X, B, L, UP, and so on refer to the SNES button presses which are sent to the pin. SNES-1 through SNES-7 refer to the pins on the SNES controller connector (starting from the flat side as Pin #1).

As long as you remember that both your SNES controller cable and your button presses need to share the GND pin and you’re all set.

I used this chip in my Super Dance Dance Gaiden controller project.

Copyright

Copyright (c) 2005 Derrick Sobodash. Some Rights Reserved.

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

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