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3 dmac control status register (dacsr) – FUJITSU MB91F109 FR30 User Manual

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15.3 DMAC Control Status Register (DACSR)

15.3 DMAC Control Status Register (DACSR)

The DMAC control status register (DACSR) is an internal register of the DMAC that
specifies control status information on the entire DMAC.

Configuration of DMAC Control Status Register (DACSR)

The configuration of the DMAC control status register (DACSR) is shown below.

Bit Functions of DMAC Control Status Register (DACSR)

[bit 31, 27, 23, 19, 15, 11, 7, 3] DERn (DMA ERror)

Each of these bits indicates that DMA transfer was interrupted because an error occurred in
the DMA request source for the corresponding channel n.

- 0: No error

- 1: An error occurred.

Error occurrence depnds on the DMA request source (resource). Errors do not occur in
some DMA request sources.

31

30

29

28

27

26

25

24

00000204H

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

23

22

21

20

19

18

17

16

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

15

14

13

12

11

10

9

8

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

7

6

5

4

3

2

1

0

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

DER7

DED7

DIE7

DOE7

DOE5

DIE5

DED5

DER5

DOE3

DIE3

DER3

DED3

DOE1

DIE1

DER1

DED1

DED6

DED4

DED2

DED0

DIE6

DIE4

DIE2

DIE0

DER6

DER4

DER2

DER0

DOE6

DOE4

DOE2

DOE0

Initial value: 00000000H