EFM32WG Datasheet, PDF (93/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.

...the world's most energy friendly microcontrollers
Bit
Name
Reset
Access Description
5
RDSCH5
0
RW
Retain Descriptor State
Speed up execution of consecutive 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 consecutive 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 consecutive 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 consecutive 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 consecutive 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 consecutive 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
0x1020
Reset
Bit Position
Access
Name
Bit
31:17
16
15:10
9:0
Name
Reset
Access Description
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
EN
0
RW
DMA Channel 0 Loop Enable
Loop enable for channel 0
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
WIDTH
0x000
RWH
Loop Width
Reload value for N_MINUS_1 when loop is enabled
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
93
www.energymicro.com