KITUSBI2CEVME - Using Hardware
10 KITUSBI2CEVME - Using Hardware
The KITUSBI2CEVME Demo Board provides a way of communicating a PC with
KIT34704EPEVBE or any device that uses I2C or SPI communication protocols.
10.1
10.1.1
Jumper Connections
J9
It is used to set the pull-up voltage of the I2C communication device.
? Pins 1 & 2 (Pin 3 open): set the I 2 C pull-up resistors at 3.3V
? Pins 2 & 3 (Pin 1 open): set the I 2 C pull-up resistors at 5V
? Pin header open: Leave the I 2 C pull-up resistors open. The slave device should pull
up SCL2 and SDA2 signals to a voltage of 3.3V or 5V
Figure 8. I2C Pull-up configuration
KIT34704BEPEVBE Evaluation Board , Rev 1.0
Freescale Semiconductor
13
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