DMA controller (DMA) RM0008
274/1096 Doc ID 13902 Rev 12
13.4.2 DMA interrupt flag clear register (DMA_IFCR)
Address offset: 0x04
Reset value: 0x0000 0000
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Reserved
CTEIF7 CHTIF7 CTCIF7 CGIF7 CTEIF6 CHTIF6 CTCIF6 CGIF6 CTEIF5 CHTIF5 CTCIF5 CGIF5
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CTEIF4 CHTIF4 CTCIF4 CGIF4 CTEIF3 CHTIF3 CTCIF3 CGIF3 CTEIF2 CHTIF2 CTCIF2 CGIF2 CTEIF1 CHTIF1 CTCIF1 CGIF1
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Bits 31:28 Reserved, always read as 0.
Bits 27, 23, 19, 15,
11, 7, 3
CTEIFx: Channel x transfer error clear (x = 1 ..7)
This bit is set and cleared by software.
0: No effect
1: Clears the corresponding TEIF flag in the DMA_ISR register
Bits 26, 22, 18, 14,
10, 6, 2
CHTIFx: Channel x half transfer clear (x = 1 ..7)
This bit is set and cleared by software.
0: No effect
1: Clears the corresponding HTIF flag in the DMA_ISR register
Bits 25, 21, 17, 13,
9, 5, 1
CTCIFx: Channel x transfer complete clear (x = 1 ..7)
This bit is set and cleared by software.
0: No effect
1: Clears the corresponding TCIF flag in the DMA_ISR register
Bits 24, 20, 16, 12,
8, 4, 0
CGIFx: Channel x global interrupt clear (x = 1 ..7)
This bit is set and cleared by software.
0: No effect
1: Clears the GIF, TEIF, HTIF and TCIF flags in the DMA_ISR register