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The PowerQUICC II
8
Interphase Corporation
Communication Processor Module (CPM) I/O Ports
The CPM part of the PowerQUICC II provides several communication functions. These 
functions use multi-mode pins that are grouped in four I/O ports: Port A, B, C, and D. The 
4538 communications controller uses these ports as shown in the following tables:
7DEOH
CPM Port A Usage
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CPM Port B Usage
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