LM3S3749 Datasheet, PDF (347/898 Pages) Texas Instruments – Stellaris® LM3S3749 Microcontroller

Stellaris® LM3S3749 Microcontroller
Register 18: DMA Channel Priority Set (DMAPRIOSET), offset 0x038
Each bit of the the DMAPRIOSET register represents the corresponding DMA channel. Writing a
1 configures the DMA channel to have a high priority level. Reading the register returns the status
of the channel priority mask.
Reads
DMA Channel Priority Set (DMAPRIOSET)
Base 0x400F.F000
Offset 0x038
Type RO, reset 0x0000.0000
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
SET[n]
Type
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
SET[n]
Type
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit/Field
31:0
Name
SET[n]
Type
R
Reset
0x00
Description
Channel [n] Priority Status
Returns the channel priority status.
Value Description
0 Default Priority
DMA channel [n] is using the default priority level.
1 High Priority
DMA channel [n] is using a High Priority level.
Writes
DMA Channel Priority Set (DMAPRIOSET)
Base 0x400F.F000
Offset 0x038
Type WO, reset 0x0000.0000
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
SET[n]
Type
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
SET[n]
Type
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
November 17, 2011
347
Texas Instruments-Production Data