FUJITSU MB91460 SERIES FR60 - Manual (Page 480)

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Chapter 30 I/O Ports
3.Port Register Settings
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P06: The functions of Port 06 are controlled by PFR06
If the external bus interface is enabled (by mode pins MD[2:0] or mode vector), P06[7:0] is input/output for
address lines A[15:8]. Otherwise, the port can be used as general purpose port.
PFR06.7 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR06.6 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR06.5 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR06.4 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR06.3 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR06.2 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR06.1 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR06.0 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
PFR06 0D86h PFR06.7 PFR06.6 PFR06.5 PFR06.4 PFR06.3 PFR06.2 PFR06.1 PFR06.0 1111 1111
EPFR06 0DC6h - - - - - - - - ---- ----
R/W R/W R/W R/W R/W R/W R/W R/W