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
&30 ,2 3RUW 3LQ &RQILJXUDWLRQ
'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
&30 ,2 3RUW 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