FUJITSU MB91460 SERIES FR60 User Manual
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Chapter 30 I/O Ports
3.Port Register Settings
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P09: The functions of Port 09 are controlled by PFR09
If the external bus interface is enabled (by mode pins MD[2:0] or mode vector), P09[7:0] is input/output for
external bus control signals CSX[7:0]. Otherwise, the port can be used as general purpose port.
PFR09.7
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR09.6
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR09.5
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR09.4
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR09.3
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR09.2
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR09.1
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR09.0
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
Addr
7
6
5
4
3
2
1
0
initial
PFR09
0D89h
PFR09.7
PFR09.6
PFR09.5
PFR09.4
PFR09.3
PFR09.2
PFR09.1
PFR09.0
1111 1111
EPFR09
0DC9h
-
-
-
-
-
-
-
-
---- ----
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W