beautypg.com

FUJITSU MB91460 SERIES FR60 User Manual

Page 477

background image

461

Chapter 30 I/O Ports

3.Port Register Settings

P03: The functions of Port 03 are controlled by PFR03

If the external bus interface is enabled (by mode pins MD[2:0] or mode vector), P03[7:0] is input/output for data
lines D[7:0]. Otherwise, the port can be used as general purpose port.

PFR03.7

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

PFR03.6

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

PFR03.5

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

PFR03.4

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

PFR03.3

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

PFR03.2

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

PFR03.1

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

PFR03.0

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

PFR03

0D83h

PFR03.7

PFR03.6

PFR03.5

PFR03.4

PFR03.3

PFR03.2

PFR03.1

PFR03.0

1111 1111

EPFR03

0DC3h

-

-

-

-

-

-

-

-

---- ----

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W