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FUJITSU MB91460 SERIES FR60 User Manual

Page 487

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Chapter 30 I/O Ports

3.Port Register Settings

P13: The functions of Port 13 are controlled by PFR13 and EPFR13

P13[7:0] is input/output for DMA control signals DEOP, DEOTX, DACKX, DREQ for DMA channels 0 and 1.
Otherwise, the port can be used as general purpose port.

PFR13.7

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

DMA function is DEOP1 output

PFR13.6

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

EPFR13.6 0 - DMA function is DEOTX1 input

1 - DMA function is DEOP1 output

PFR13.5

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

DMA function is DACKX1 output

PFR13.4

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

DMA function is DREQ1 input

PFR13.3

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

DMA function is DEOP0 output

PFR13.2

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

EPFR13.2 0 - DMA function is DEOTX0 input

1 - DMA function is DEOP0 output

PFR13.1

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

DMA function is DACKX0 output

PFR13.0

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

DMA function is DREQ0 input

Addr

7

6

5

4

3

2

1

0

initial

PFR13

0D8Dh

PFR13.7

PFR13.6

PFR13.5

PFR13.4

PFR13.3

PFR13.2

PFR13.1

PFR13.0

0000 0000

EPFR13

0DCDh

-

EPFR13.6

-

-

-

EPFR13.2

-

-

-0-- -0--

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W