4
•
Connect the USB-to-I2C Hardware to a USB Port using a standard USB cable
•
The LED beside the USB port should illuminate after Windows has completed
enumerating the device
HARDWARE DESCRIPTION
The figure above shows the items on the hardware which you should become familiar with.
Here are the details:
USB Port
– this is where you plug the USB cable into the board
USB LINK LED
– the LED should be illuminated when the cable has been connected between
the PC and the USB-to-I2C hardware, and the software has been installed correctly.
J2 Header
Header J1 contains the connections to a user target application.
A 14-pin ribbon cable is included with the following definitions:
Signal
Function
Pin #
Wire Color
VCC
Unswitched 3.3V supply
1
Brown
VP
I2C: pull-up resistor voltage
2
Red
SSN
SPI: Slave Select (master)
3
orange
SCL
I2C: serial clock
4
Yellow
