LM3S3749 Luminary Micro, Inc, LM3S3749 Datasheet - Page 236

• Manufacturer Part Number: LM3S3749
• Description: Lm3s3749 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Reset
Reset
Reset
Reset
Type
Type
Type
Type
Micro Direct Memory Access (μDMA)
DMAPRIOSET Reads
DMA Channel Priority Set (DMAPRIOSET)
Base 0x400F.F000
Offset 0x038
Type RO, reset 0x0000.0000
DMAPRIOSET Writes
DMA Channel Priority Set (DMAPRIOSET)
Base 0x400F.F000
Offset 0x038
Type WO, reset 0x0000.0000
236
Bit/Field
31:0
31
15
31
15
W
W
R
0
R
0
0
0
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.
30
14
30
14
W
W
R
R
0
0
0
0
29
13
29
13
W
W
R
R
0
0
0
0
SET[n]
Name
28
12
28
12
W
W
R
R
0
0
0
0
27
11
27
W
11
W
R
R
0
0
0
0
Type
R
26
10
26
10
W
W
R
R
0
0
0
0
Reset
25
25
W
W
R
R
0x00
0
9
0
0
9
0
Preliminary
24
24
W
W
R
R
0
8
0
0
8
0
SET[n]
SET[n]
SET[n]
SET[n]
Description
Channel [n] Priority Set
Returns the channel priority status.
Value
0
1
23
23
W
W
R
R
0
7
0
0
7
0
Description
Default Priority
DMA channel [n] is using the default priority level.
High Priority
DMA channel [n] is using a High Priority level.
22
22
W
W
R
0
6
R
0
0
6
0
21
21
W
W
R
R
0
5
0
0
5
0
20
20
W
W
R
R
0
4
0
0
4
0
19
19
W
W
R
R
0
3
0
0
3
0
18
18
W
W
R
R
0
2
0
0
2
0
17
17
W
W
R
0
1
R
0
0
1
0
June 02, 2008
16
16
W
W
R
R
0
0
0
0
0
0