FUJITSU MB91460 SERIES FR60 - Manual (Page 479)

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Chapter 30 I/O Ports
3.Port Register Settings
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P05: The functions of Port 05 are controlled by PFR05
If the external bus interface is enabled (by mode pins MD[2:0] or mode vector), P05[7:0] is input/output for
address lines A[23:16]. Otherwise, the port can be used as general purpose port.
PFR05.7 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR05.6 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR05.5 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR05.4 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR05.3 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR05.2 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR05.1 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR05.0 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
PFR05 0D85h PFR05.7 PFR05.6 PFR05.5 PFR05.4 PFR05.3 PFR05.2 PFR05.1 PFR05.0 1111 1111
EPFR05 0DC5h - - - - - - - - ---- ----
R/W R/W R/W R/W R/W R/W R/W R/W