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FUJITSU MB91460 SERIES FR60 User Manual

Page 478

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Chapter 30 I/O Ports

3.Port Register Settings

P04: The functions of Port 04 are controlled by PFR04

If the external bus interface is enabled (by mode pins MD[2:0] or mode vector), P04[7:0] is input/output for
address lines A[31:24]. Otherwise, the port can be used as general purpose port.

PFR04.7

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

PFR04.6

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

PFR04.5

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

PFR04.4

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

PFR04.3

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

PFR04.2

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

PFR04.1

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

PFR04.0

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

PFR04

0D84h

PFR04.7

PFR04.6

PFR04.5

PFR04.4

PFR04.3

PFR04.2

PFR04.1

PFR04.0

1111 1111

EPFR04

0DC4h

-

-

-

-

-

-

-

-

---- ----

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W