FUJITSU MB91460 SERIES FR60 User Manual
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Chapter 30 I/O Ports
3.Port Register Settings
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P21: The functions of Port 21 are controlled by PFR21 and EPFR21
P21[7:0] is input/output for LIN-UART serial communication signals SCK, SOT, SIN of channels 0 and 1, and
Free Run Timer FRT inputs CK of channels 0 and 1. Otherwise, the port can be used as general purpose port.
PFR21.6
0 - Port is in general purpose port mode.
1 - Port is in resource function mode:
EPFR21.6 0 - Resource function is SCK1 input/output
1 - Resource function is CK1 input
PFR21.5
0 - Port is in general purpose port mode.
1 - Port is in resource function mode:
Resource function is SOT1 output
PFR21.4
0 - Port is in general purpose port mode.
1 - Port is in resource function mode:
Resource function is SIN1 input
PFR21.2
0 - Port is in general purpose port mode.
1 - Port is in resource function mode:
EPFR21.2 0 - Resource function is SCK0 input/output
1 - Resource function is CK0 input
PFR21.1
0 - Port is in general purpose port mode.
1 - Port is in resource function mode:
Resource function is SOT0 output
PFR21.0
0 - Port is in general purpose port mode.
1 - Port is in resource function mode:
Resource function is SIN0 input
Addr
7
6
5
4
3
2
1
0
initial
PFR21
0D95h
-
PFR21.6
PFR21.5
PFR21.4
-
PFR21.2
PFR21.1
PFR21.0
-000 -000
EPFR21
0DD5h
-
EPFR21.6
-
-
-
EPFR21.2
-
-
-0-- -0--
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W