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AMD Confidential
User Manual November 21
st
, 2008
Chapter 7: Device Configuration 85
7.9 PCA9556 SMB Device
The PCA9556 is a registered System Management Bus (SMB) interface. When queried
from its SMB base address, it returns the value of its input pins.
Interfaces
The PCA9556 has one output port.
Initialization and Reset State
The PCA9556 has the input value specified in its configuration dialog window.
Contents of a BSD
The PCA9556 saves its SMB base address and input pin value.
Configuration Options
Figure 7-16: PCA9556 SMB Configuration Properties Dialog
The PCA9556 allows you to set its SMB base address and input pin values.