User manual

...the world's most energy friendly microcontrollers
2012-04-24 - Giant Gecko Family - d0053_Rev0.96 93
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Bit Name Reset Access Description
5 RDSCH5 0 RW Retain Descriptor State
Speed up execution of consequtive DMA requests from the same channel by not reading descriptor at the start of every arbitration
cycle if the next channel is the same as the previous
4 RDSCH4 0 RW Retain Descriptor State
Speed up execution of consequtive DMA requests from the same channel by not reading descriptor at the start of every arbitration
cycle if the next channel is the same as the previous
3 RDSCH3 0 RW Retain Descriptor State
Speed up execution of consequtive DMA requests from the same channel by not reading descriptor at the start of every arbitration
cycle if the next channel is the same as the previous
2 RDSCH2 0 RW Retain Descriptor State
Speed up execution of consequtive DMA requests from the same channel by not reading descriptor at the start of every arbitration
cycle if the next channel is the same as the previous
1 RDSCH1 0 RW Retain Descriptor State
Speed up execution of consequtive DMA requests from the same channel by not reading descriptor at the start of every arbitration
cycle if the next channel is the same as the previous
0 RDSCH0 0 RW Retain Descriptor State
Speed up execution of consequtive DMA requests from the same channel by not reading descriptor at the start of every arbitration
cycle if the next channel is the same as the previous
8.7.26 DMA_LOOP0 - Channel 0 Loop Register
Offset Bit Position
0x1020
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reset
0
0x000
Access
RW
RWH
Name
EN
WIDTH
Bit Name Reset Access Description
31:17 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
16 EN 0 RW DMA Channel 0 Loop Enable
Loop enable for channel 0
15:10 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
9:0 WIDTH 0x000 RWH Loop Width
Reload value for N_MINUS_1 when loop is enabled