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Chapter 30 I/O Ports
3.Port Register Settings
■ P02: The functions of Port 02 are controlled by PFR02
If the external bus interface is enabled (by mode pins MD[2:0] or mode vector), P02[7:0] is input/output for data
lines D[15:8]. Otherwise, the port can be used as general purpose port.
PFR02.7 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR02.6 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR02.5 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR02.4 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR02.3 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR02.2 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR02.1 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR02.0 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
PFR02 0D82h PFR02.7 PFR02.6 PFR02.5 PFR02.4 PFR02.3 PFR02.2 PFR02.1 PFR02.0 1111 1111
EPFR02 0DC2h - - - - - - - - ---- ----
R/W R/W R/W R/W R/W R/W R/W R/W