NES PINOUTs. 
CONECTORES.

http://www.consolasparasiempre.net

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CONECTOR DE CARTUCHOS
(La parte superior es del conector es la parte izquierda del dibujo)

                                  +-------+
                              GND |01   37| CLK 21.47727Mhz (NTSC)
                          PRG A11 |02   38| M2
                          PRG A10 |03   39| PRG A12
                           PRG A9 |04   40| PRG A13 
                           PRG A8 |05   41| PRG A14                   
                           PRG A7 |06   42| PRG D7
                           PRG A6 |07   43| PRG D6
                           PRG A5 |08   44| PRG D5                       
                           PRG A4 |09   45| PRG D4
                           PRG A3 |10   46| PRG D3
                           PRG A2 |11   47| PRG D2
                           PRG A1 |12   48| PRG D1
                           PRG A0 |13   49| PRG D0
                          PRG R/W |14   50| PRG /CE (/A15 & /M2)
                             /IRQ |15   51| EXP 9
                            EXP 0 |16   52| EXP 8
                            EXP 1 |17   53| EXP 7
                            EXP 2 |18   54| EXP 6
                            EXP 3 |19   55| EXP 5
                            EXP 4 |20   56| CHR /WR
                          CHR /RD |21   57| CIRAM /CE
                        CIRAM A10 |22   58| CHR A13
                           CHR A6 |23   59| CHR A7
                           CHR A5 |24   60| CHR A8
                           CHR A4 |25   61| CHR A9
                           CHR A3 |26   62| CHR A11
                           CHR A2 |27   63| CHR A10
                           CHR A1 |28   64| CHR A12
                           CHR A0 |29   65| CHR /A13
                           CHR D0 |30   66| CHR D7
                           CHR D1 |31   67| CHR D6
                           CHR D2 |32   68| CHR D5
                           CHR D3 |33   69| CHR D4
                         SECURITY |34   70| SECURITY
                         SECURITY |35   71| SECURITY
                              +5V |36   72| GND
                                  +-------+
                             
****************************************************************
PUERTO DE EXPANSIÓN


                                  +-------+
                              +5V |01   48| +5V
                              GND |02   47| GND
                         Audio In |03   46| NC
                              R/W |04   45| Out2 (from CPU)
                              A15 |05   44| Out1 (from CPU)
                cart con. pin #51 |06   43| Out0 (from CPU- strobe on sticks)
                Cart con. pin #52 |07   42| Cart con. pin #16
                Cart con. pin #53 |08   41| Cart con. pin #17
                Cart con. pin #54 |09   40| Cart con. pin #18
                Cart con. pin #55 |10   39| Cart con. pin #19
                  /OE for stick 2 |11   38| Cart con. pin #20
                     Player #1 D1 |12   37| /OE for stick 1
                     Player #1 D3 |13   36| Player #1 D4
                             /IRQ |14   35| Player #1 D0
                     Player #2 D2 |15   34| /OE for stick 1
                     Player #2 D3 |16   33| Player #1 D2
                  /OE for stick 2 |17   32| D0
                     Player #2,D4 |18   31| D1
                     Player #2,D0 |19   30| D2
                     Player #2,D1 |20   29| D3
                        Audio out |21   28| D4
                        Video out |22   27| D5
                              +9V |23   26| D6
                      4.00MHz CLK |24   25| D7
                                  +-------+
                              

****************************************************************
PUERTO DE MANDOS

                                 +-
                           GND - |.\
                           CLK - |..\ - +5V
                        Strobe - |..| - D3
                            D0 - |..| - D4
                                 +--+