DMA controller (DMA)
10.5.7
DMA stream x peripheral address register (DMA_SxPAR) (x = 0..7)
Address offset: 0x18 + 0x18 × stream number
Reset value: 0x0000 0000
31
30
29
rw
rw
rw
15
14
13
rw
rw
rw
Bits 31:0 PAR[31:0]: Peripheral address
Base address of the peripheral data register from/to which the data will be read/written.
These bits are write-protected and can be written only when bit EN = '0' in the DMA_SxCR register.
10.5.8
DMA stream x memory 0 address register (DMA_SxM0AR) (x = 0..7)
Address offset: 0x1C + 0x18 × stream number
Reset value: 0x0000 0000
31
30
29
rw
rw
rw
15
14
13
rw
rw
rw
Bits 31:0 M0A[31:0]: Memory 0 address
10.5.9
DMA stream x memory 1 address register (DMA_SxM1AR) (x = 0..7)
Address offset: 0x20 + 0x18 × stream number
Reset value: 0x0000 0000
31
30
29
rw
rw
rw
15
14
13
rw
rw
rw
334/1731
28
27
26
25
rw
rw
rw
rw
12
11
10
9
rw
rw
rw
rw
28
27
26
25
rw
rw
rw
rw
12
11
10
9
rw
rw
rw
rw
Base address of Memory area 0 from/to which the data will be read/written.
These bits are write-protected. They can be written only if:
–
the stream is disabled (bit EN= '0' in the DMA_SxCR register) or
–
the stream is enabled (EN='1' in DMA_SxCR register) and bit CT = '1' in the
DMA_SxCR register (in Double buffer mode).
28
27
26
25
rw
rw
rw
rw
12
11
10
9
rw
rw
rw
rw
DocID018909 Rev 11
24
23
22
21
PAR[31:16]
rw
rw
rw
rw
8
7
6
5
PAR[15:0]
rw
rw
rw
rw
24
23
22
21
M0A[31:16]
rw
rw
rw
rw
8
7
6
5
M0A[15:0]
rw
rw
rw
rw
24
23
22
21
M1A[31:16]
rw
rw
rw
rw
8
7
6
5
M1A[15:0]
rw
rw
rw
rw
20
19
18
17
rw
rw
rw
rw
4
3
2
1
rw
rw
rw
rw
20
19
18
17
rw
rw
rw
rw
4
3
2
1
rw
rw
rw
rw
20
19
18
17
rw
rw
rw
rw
4
3
2
1
rw
rw
rw
rw
RM0090
16
rw
0
rw
16
rw
0
rw
16
rw
0
rw
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