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4 port function register setup, Port function register setup on – FUJITSU MB91460 SERIES FR60 User Manual

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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