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AT32F413
Series Reference Manual
2022.06.27
Page 117
Rev 2.00
9.4.8
Channel source register1 (DMA_SRC_SEL1)
Accessible: no-wait state, byte, half-word and word.
Bit
Register
Reset value
Type
Description
Bit 31: 25 Reserved
0x00
resd
Kept at its default value.
Bit 24
DMA_FLEX_EN
:
0x0
rw
DMA flexible request mapping enable
0: DMA fixed request mapping mode
1: DMA flexible request mapping mode
Bit 23: 16 CH7_SRC
0x00
rw
CH7 source select
When DMA_FLEX_EN=1, CH7_SRC selects channel 7
source, please refer to
Bit 15: 8
CH6_SRC
0x00
rw
CH6 source select
When DMA_FLEX_EN=1, CH6_SRC selects channel 6
source, please refer to
Bit 7: 0
CH5_SRC
0x00
rw
CH5 source select
When DMA_FLEX_EN=1, CH5_SRC selects channel
source, please refer to