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FUJITSU MB91460 SERIES FR60 User Manual

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Chapter 30 I/O Ports

3.Port Register Settings

P01: The functions of Port 01 are controlled by PFR01

If the external bus interface is enabled (by mode pins MD[2:0] or mode vector), P01[7:0] is input/output for data
lines D[23:16]. Otherwise, the port can be used as general purpose port.

PFR01.7

0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).

PFR01.6

0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).

PFR01.5

0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).

PFR01.4

0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).

PFR01.3

0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).

PFR01.2

0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).

PFR01.1

0 - Port is in general purpose port mode.
1 - Port is in external bus mode (if external bus is enabled otherwise general purpose port).

PFR01.0

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

PFR01

0D81h

PFR01.7

PFR01.6

PFR01.5

PFR01.4

PFR01.3

PFR01.2

PFR01.1

PFR01.0

1111 1111

EPFR01

0DC1h

-

-

-

-

-

-

-

-

---- ----

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W