21
Pin 1 - I
2
C Bus Data (SDA)
Pin 2 - I
2
C Bus Clock (SCL)
Pin 3 - TTL I
2
C Bus Clock (TSCL)
Pin 4 - TTL I
2
C Bus Data (TSDA)
Pin 5 - Ground (GND)
Pin 6 - Trigger Out (TOUT)
Pin 7 - Trigger In (TIN)
Pin 8 - Optional I/O (OIO)
Pin 9 - Vcc +5 Output (VOUT)
