Communication processor module (cpm) i/o ports – Interphase Tech 4538 User Manual
Page 30
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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'LU
8VDJH
3$
2XWSXW
2
&20&/.B1 VLJQDO
3$
2XWSXW
2
8QXVHG
3$
7'0D /56<1&
,
7'0D
3$
2XWSXW
2
6:02'(B1 VLJQDO
3$
7'0D /5;'
,
7'0D
3$
7'0D /7;'
2
7'0D
3$
2XWSXW
2
8QXVHG
7DEOH
CPM Port B Usage
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'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