FUJITSU MB91460 SERIES FR60 User Manual
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Chapter 30 I/O Ports
3.Port Register Settings
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P01: The functions of Port 01 are controlled by PFR01
If the external bus interface is enabled (by mode pins MD[2:0] or mode vector), P01[7:0] is input/output for data
lines D[23:16]. Otherwise, the port can be used as general purpose port.
PFR01.7
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR01.6
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR01.5
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR01.4
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR01.3
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR01.2
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR01.1
0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR01.0
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
PFR01
0D81h
PFR01.7
PFR01.6
PFR01.5
PFR01.4
PFR01.3
PFR01.2
PFR01.1
PFR01.0
1111 1111
EPFR01
0DC1h
-
-
-
-
-
-
-
-
---- ----
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W