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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:
7DEOHCPM Port A Usage
&30,23RUW 3LQ&RQILJXUDWLRQ 'LU 8VDJH
3$ 2XWSXW 2 &20&/.B1VLJQDO
3$ 2XWSXW 2 8QXVHG
3$ 7'0D/56<1& , 7'0D
3$ 2XWSXW 2 6:02'(B1VLJQDO
3$ 7'0D/5;' , 7'0D
3$ 7'0D/7;' 2 7'0D
3$ 2XWSXW 2 8QXVHG
7DEOHCPM Port B Usage
&30,23RUW 3LQ&RQILJXUDWLRQ 'LU 8VDJH
3% )&&7;'>@ 2 )DVW(WKHUQHW
3% )&&5;'>@ , )DVW(WKHUQHW
3% )&&&56 , )DVW(WKHUQHW
3% )&&&2/ , )DVW(WKHUQHW
3% )&&7;B(1 2 )DVW(WKHUQHW
3% )&&7;B(5 2 )DVW(WKHUQHW
3% )&&5;B(5 , )DVW(WKHUQHW
3% )&&5;B'9 , )DVW(WKHUQHW
3% 2XWSXW 2 8QXVHG
3% 7'0G/56<1& , 7'0G
3% 2XWSXW 2 8QXVHG
3% 7'0G/5;' , 7'0G
3% 7'0G/7;' 2 7'0G
3% 7'0F/56<1& , 7'0F
3% 2XWSXW 2 8QXVHG
3% 7'0F/5;' , 7'0F
3% 7'0F/7;' 2 7'0F
3% 2XWSXW 2 8QXVHG
3% 7'0E/56<1& , 7'0E
3% 7'0E/5;' , 7'0E
3% 7'0E/7;' 2 7'0E