Connector Pinouts

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Cartridge

Pins are numbered left to right, cartridge label up.

Pin Function Pin Function Pin Function Pin Function
01 GND 13 Address Bit 4 25 +3.3V 37 Data Bit 11
02 Address Bit 15 14 Data Bit 15 26 Address Bit 0 38 Data Bit 12
03 Address Bit 10 15 Data Bit 14 27 Address Bit 1 39 Data Bit 13
04 Address Bit 11 16 Data Bit 7 28 Address Bit 2 40 RESET
05 Address Bit 9 17 Data Bit 6 29 Address Bit 3 41 MBC
06 Address Bit 8 18 Data Bit 5 30 Address Bit 19 42 Memory/IO
07 Address Bit 13 19 Data Bit 4 31 Address Bit 18 43 READ
08 Address Bit 14 20 Data Bit 3 32 Address Bit 17 44 WRITE
09 Address Bit 12 21 Data Bit 2 33 Address Bit 16 45 CHIP SELECT
10 Address Bit 7 22 Data Bit 1 34 Data Bit 8 46 IRQ
11 Address Bit 6 23 Data Bit 0 35 Data Bit 9 47 CLOCK
12 Address Bit 5 24 +3.3V 36 Data Bit 10 48 GND

Extension Port Connector

(Female 8-pin port on peripheral)

       MISO_          _MOSI
            \        /
      +3V_   \      /   _GND
    ______\ __\ __ /__ /______
   |      04__03__02__01      |
   |   __|""  ""  ""  ""|__   |
   |  |__                __|  |
   '.    |..__..__..__..|    .'
     \____05__06__07__08____/
         _/   /    \   \_
     BCLK    /      \    /HDPN
           _/        \_
       LRCK            SDAT
Pin Group Description
01 (GND) Power Ground
02 (MOSI) UART Console -> Accessory
03 (MISO) Accessory -> Console
04 (+3V) Power 3.3V?
05 (BCLK) I2S Bit clock
06 (LRCK) Channel clock
07 (SDAT) Bit data
08 (/HDPN) Headphone detect