NES CIC:
              +------------------+
 DATA_OUT <-- | 1 P0.0    +5V 16 |
  DATA_IN --> | 2 P0.1   P3.2 15 | ?
     SEED --> | 3 P0.2   P3.1 14 | ?
LOCK/-KEY --> | 4 P0.3   P3.0 13 | ?
              | 5 Xout   P1.3 12 | <-- RESET_SPEED_B
              | 6 Xin    P1.2 11 | <-- RESET_SPEED_A
              | 7 RESET  P1.1 10 | --> SLAVE_CIC_RESET
              | 8 GND    P1.0  9 | --> -HOST_RESET
              +------------------+


                   SNES CIC:
              +------------------+
 DATA_OUT <-- | 1 P0.0    +5V 16 |
  DATA_IN --> | 2 P0.1   P3.2 15 | ?
     SEED --> | 3 P0.2   P3.1 14 | ?
LOCK/-KEY --> | 4 P0.3   P3.0 13 | ?
              | 5 Xout   P1.3 12 | ?
              | 6 Xin    P1.2 11 | ?
              | 7 RESET  P1.1 10 | --> SLAVE_CIC_RESET
              | 8 GND    P1.0  9 | --> -HOST_RESET
              +------------------+


                   SNES PIF:
              +------------------+
 DATA_OUT <-- | 1 P0.0    +5V 18 |
  DATA_IN --> | 2 P0.1   P3.2 17 | ?
     SEED --> | 3 P0.2   P3.1 16 | ?
LOCK/-KEY --> | 4 P0.3   P3.0 15 | <-- ?
              | 5 N/C     N/C 14 |
              | 6 Xout   P1.3 13 | ?
              | 7 Xin    P1.2 12 | --> ?
              | 8 RESET  P1.1 11 | --> SLAVE_CIC_RESET
              | 9 GND    P1.0 10 | --> -PPU2_RESET
              +------------------+