
5
supply. See the “Hardware Setup” section for additional details.
2.3 I
2
C Interface Connector
The I
2
C adapter includes a four wire, positive locking, modular receptacle connector
(see Appendix A) for interfacing to an external I
2
C Bus. Lines provided include I
2
C
Clock (SCL), I
2
C Data (SDA), Ground, and +5V.
Minimum wiring for I
2
C Bus communications include I
2
C Bus Clock, Data, and
Ground.
Connect the +5V (V) wire to the target system to power the target system from
either:
1 USB derived power. Maximum available target system power is 100 mA at
+5V.
2 A +5VDC Power Jack connected optional external +5V regulated power
supply. Maximum available target system power is 150 mA at +5V.
Receptacle Connector
An I
2
C Clip-Lead cable is provided to connect the I
2
C adapter to a target system.
Each clip-lead is clearly marked (C=SCL, V=+5VDC, D=SDA, G=Ground).
An I
2
C Interface Cable (White=SCL, Red=+5VDC, Green=SDA, Black=Ground) is
also provided to connect the I
2
C adapter to an external I
2
C Bus. Since there is no
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