315-5309

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The 315-5309 is found on early revision of the MegaDrive I.

It handle the IO port, the version register

Pinout

(Max size:File:315-5309_pinout.png)

  • IOX_X: To the DE-9 port
  • FREQ: +5V = 60Hz, 0V = 50Hz
  • LANG: +5V = English, 0V = Japanese
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