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FUJITSU MB91460 SERIES FR60 User Manual

Page 509

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Chapter 30 I/O Ports

3.Port Register Settings

P31: The functions of Port 31 are controlled by PFR31

P31[7:0] is input/output for LCD controller segment driver outputs SEG[39:32]. Otherwise, the port can be used
as general purpose port.

PFR31.7

0 - Port is in general purpose port mode.
1 - Port is in resource function mode:

Resource function is SEG39 output

PFR31.6

0 - Port is in general purpose port mode.
1 - Port is in resource function mode:

Resource function is SEG38 output

PFR31.5

0 - Port is in general purpose port mode.
1 - Port is in resource function mode:

Resource function is SEG37 output

PFR31.4

0 - Port is in general purpose port mode.
1 - Port is in resource function mode:

Resource function is SEG36 output

PFR31.3

0 - Port is in general purpose port mode.
1 - Port is in resource function mode:

Resource function is SEG35 output

PFR31.2

0 - Port is in general purpose port mode.
1 - Port is in resource function mode:

Resource function is SEG34 output

PFR31.1

0 - Port is in general purpose port mode.
1 - Port is in resource function mode:

Resource function is SEG33 output

PFR31.0

0 - Port is in general purpose port mode.
1 - Port is in resource function mode:

Resource function is SEG32 output

Addr

7

6

5

4

3

2

1

0

initial

PFR31

0D9Fh

PFR31.7

PFR31.6

PFR31.5

PFR31.4

PFR31.3

PFR31.2

PFR31.1

PFR31.0

0000 0000

EPFR31

0DDFh

-

-

-

-

-

-

-

-

---- ----

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W