LM3S3749 Luminary Micro, Inc, LM3S3749 Datasheet - Page 230
LM3S3749
Manufacturer Part Number
LM3S3749
Description
Lm3s3749 Arm Microcontroller
Manufacturer
Luminary Micro, Inc
Datasheet
1.LM3S3749.pdf
(753 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM3S3749-IQC50-A0
Manufacturer:
Texas Instruments
Quantity:
10 000
Company:
Part Number:
LM3S3749-IQC50-A0T
Manufacturer:
Texas Instruments
Quantity:
10 000
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Reset
Reset
Reset
Reset
Type
Type
Type
Type
Micro Direct Memory Access (μDMA)
DMAENASET Reads
DMA Channel Enable Set (DMAENASET)
Base 0x400F.F000
Offset 0x028
Type RO, reset 0x0000.0000
DMAENASET Writes
DMA Channel Enable Set (DMAENASET)
Base 0x400F.F000
Offset 0x028
Type WO, reset 0x0000.0000
230
Bit/Field
31:0
31
15
31
15
W
W
R
0
R
0
0
0
Register 14: DMA Channel Enable Set (DMAENASET), offset 0x028
Each bit of the DMAENASET register represents the corresponding DMA channel. Writing a 1
enables the DMA channel. Reading the register returns the enable status of the channels. If a
channel is enabled but the request mask is set (DMAREQMASKSET), then the channel can be
used for software-initiated transfers.
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
CHENSET[n]
CHENSET[n]
W
W
R
R
0
8
0
0
8
0
SET[n]
SET[n]
Description
Channel [n] Enable Set
Returns the enable status of the channels.
Value
0
1
23
23
W
W
R
R
0
7
0
0
7
0
Description
Disabled
Enabled
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
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