Filter
Top Products
4
2.1 USB Connector
The USB connector provides connection from the I
2
C adapter to a USB port on the
host computer or self-powered USB hub. The iPort DLL/USB operates as a
bus-powered USB device, with limited target system power. Additional target
system power can be provided via an included external power supply.
2.1.1 Virtual Communications Port (VCP)
The iPort DLL/USB provides a Virtual Communications Port (VCP) interface via a
host computer driver. Application programs running on the host computer
communicate with the iPort DLL/USB via the standard iPort DLL.
2.2 +5VDC Power Jack
The iPort DLL/USB is a bus-powered USB device. When deriving power from the
Universal Serial Bus only, a limited amount of power is available to a target system
via +5V wire in the I
2
C Interface Connector. Additional power for a target system
can be provided via the +5VDC Power Jack. When connected to the +5VDC Power
Jack, an external power supply will remove all target system power load from the
USB and replace it with power from the external power 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 communications include I
2
C Clock, Data, and Ground.