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Chapter 30 I/O Ports
3.Port Register Settings
3.4 Port Function Register Setup
This section describes the Port Function Registers of each port.
■ P00: The functions of Port 00 are controlled by PFR00
If the external bus interface is enabled (by mode pins MD[2:0] or mode vector), P00[7:0] is input/output for data
lines D[31:24]. Otherwise, the port can be used as general purpose port.
PFR00.7 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR00.6 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR00.5 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR00.4 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR00.3 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR00.2 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR00.1 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR00.0 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
PFR00 0D80h PFR00.7 PFR00.6 PFR00.5 PFR00.4 PFR00.3 PFR00.2 PFR00.1 PFR00.0 1111 1111
EPFR00 0DC0h - - - - - - - - ---- ----
R/W R/W R/W R/W R/W R/W R/W R/W