N64 read/write cartridge EEPROM

Discussion in 'Dumping and Backing Up Your Games and Prototypes' started by MasterJulian, Jul 22, 2014.

  1. MasterJulian

    MasterJulian Newly Registered

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    How can I interface the 1-bit serial EEPROM inside a N64 cardrdige? I know the pinout:
    1 GND
    2 NC
    3 CLK
    4 GND
    5 DATA
    6 /COLD_RESET
    7 NC
    8 VCC
    But I haven't found a timing diagram or anything else to see how this is accessed.
    My goal is to use a microcontroller connected to the cartridge to read and write the eeprom chip. I assume that there is some kind of initialization to switch between read and write. After that I can probably just read/write data using the data and clock line. Is there someone who knows the interface and can give me some details about it?
     

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