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Field
Name
R/W
Description
001: Select Channel 1
010: Select Channel 2
011: Select Channel 3
100: Select Channel 4
101: Select Channel 5
110: Select Channel 6
111: Select Channel 7
31:28
Reserved
DMA data stream x data item number register (DMA_NDATA)
(x=0…7)
Offset address: 0x14+0x18× (data stream number)
Reset value: 0x0000 0000
Field
Name
R/W
Description
15:0
NDATA
R/W
Number Of Data Items To Transfer
The number of data items to be transmitted is 0-65535. This
register can be operated only when the data stream is disabled.
After the data stream is enabled, this register is read-only to
indicate the number of remaining data items to be transmitted.
After each DMA transmission, this register will decrease.
This register is 0 after completion of transmission, and the initial
value will be automatically reloaded in any of the following
circumstances:
1.
Configure the data stream in circular mode
2.
Re-enable the data stream
31:16
Reserved
DMA data stream x peripheral address register (DMA_PADDR)
(x=0…7)
Offset address: 0x18+0x18× (data stream number)
Reset value: 0x0000 0000
Field
Name
R/W
Description
31:0
PADDR
R/W
Peripheral Address
Base address of peripheral data register of read/write data.
This bit can be written only when EN bit is 0.
DMA data stream x memory 0 address register (DMA_M0ADDR)
(x=0…7)
Offset address: 0x1C+0x18× (data stream number)
Reset value: 0x0000 0000
Field
Name
R/W
Description
31:0
M0ADDR
R/W
Memory 0 Address
Base address of memory 0 of read/write data.
These bits are write-protected, and can be written only in any of
the following circumstances:
Disable data stream