LM3S3768 Luminary Micro, Inc, LM3S3768 Datasheet - Page 213

• Manufacturer Part Number: LM3S3768
• Description: Lm3s3768 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Reset
Reset
Type
Type
DMA Channel Control Word (DMACHCTL)
Base n/a
Offset 0x008
Type R/W, reset -
June 02, 2008
Bit/Field
31:30
29:28
R/W
R/W
31
15
-
-
ARBSIZE
DSTINC
R/W
R/W
Register 3: DMA Channel Control Word (DMACHCTL), offset 0x008
DMA Channel Control Word (DMACHCTL) is part of the Channel Control Structure, and is used
to specify parameters of a DMA transfer.
30
14
-
-
R/W
R/W
DSTSIZE
29
13
DSTINC
-
-
DSTSIZE
Name
R/W
R/W
28
12
-
-
R/W
R/W
27
11
-
-
SRCINC
Type
R/W
R/W
R/W
R/W
26
10
-
-
R/W
R/W
Reset
25
9
-
-
XFERSIZE
SRCSIZE
-
-
Preliminary
R/W
R/W
24
8
-
-
Description
Destination Address Increment
Sets the bits to control the destination address increment.
The address increment value must be equal or greater than the value
of the destination size (DSTSIZE).
Destination Data Size
Sets the destination item data size.
Note:
Value
0x0
0x1
0x2
0x3
Value
0x0
0x1
0x2
0x3
R/W
R/W
23
7
-
-
Description
Byte
Increment by 8-bit locations.
Half-word
Increment by 16-bit locations.
Word
Increment by 32-bit locations.
No increment
Address remains set to the value of the Destination Address
End Pointer (DMADSTENDP) for the channel.
Description
Byte
8-bit data size.
Half-word
16-bit data size.
Word
32-bit data size.
Reserved
You must set DSTSIZE to be the same as SRCSIZE.
R/W
R/W
22
6
-
-
R/W
R/W
21
5
-
-
reserved
R/W
R/W
20
4
-
-
NXTUSEBURST
R/W
R/W
19
3
-
-
LM3S3768 Microcontroller
R/W
R/W
18
2
-
-
XFERMODE
R/W
R/W
17
1
-
-
ARBSIZE
R/W
R/W
16
0
-
-
213