Using PEX 8648 SMA Based (SI) Card White Paper – Version 1.3
© 2010 by PLX Technology, Inc. All Rights Reserved
8
6 Bring Up of I
2
C
Following steps describe how to bring up the I
2
C Arrdvark controller.
1) Install 4 pin connect on HD1 header as shown below.
2) Power up the system with SI card and I2C header in place and USB port connected to system. With
SDK active, look under “Tools”. Select “Find I2C Device”
3)
Locate and click “I2C Scan” button. Type “68” for device address. Next, locate “Select I2C Device
Type” and pull-down “8648AB”. Next depress “Find Devices”.
You should see “+ 8648AB” appear in
lower right window after a few seconds.
Next, depress “Refresh Device List” –
it is okay that the
“8648” goes away on the screen.
4)
To the left of the screen, below “Device Selector”, locate pull-down selector and select item “PLX(I2C)
Devices”.
The
PEX 8648 register and EEPROM menu are now visible on the left side of the page.
HD2
HD1
Ardvaark
Ribbon
Connector
Red Ribbon
wire
