FUJITSU MB91460 SERIES FR60 User Manual
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Chapter 30 I/O Ports
3.Port Register Settings
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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