Filter
Top Products
465
Chapter 30 I/O Ports
3.Port Register Settings
■ P07: The functions of Port 07 are controlled by PFR07
If the external bus interface is enabled (by mode pins MD[2:0] or mode vector), P07[7:0] is input/output for
address lines A[7:0]. Otherwise, the port can be used as general purpose port.
PFR07.7 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR07.6 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR07.5 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR07.4 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR07.3 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR07.2 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR07.1 0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).
PFR07.0 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
PFR07 0D87h PFR07.7 PFR07.6 PFR07.5 PFR07.4 PFR07.3 PFR07.2 PFR07.1 PFR07.0 1111 1111
EPFR07 0DC7h - - - - - - - - ---- ----
R/W R/W R/W R/W R/W R/W R/W R/W