315-5309
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)
OenOffice Draw file : File:315-5309.odg
- IOX_X: To the DE-9 port
- FREQ: +5V = 60Hz, 0V = 50Hz
- LANG: +5V = English, 0V = Japanese