Memory Scatter-Gather, Μdma Copy Sequence - Texas Instruments Concerto F28M35 Series Technical Reference Manual

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Figure 16-4. Memory Scatter-Gather, µDMA Copy Sequence
Task List
in Memory
TASK A
TASK B
TASK C
Using the channel's primary control structure, the DMA
controller copies task A configuration to the channel's
alternate control structure.
Task List
in Memory
TASK A
TASK B
TASK C
Using thechannel's primary control structure, the DMA
controller copies task B configuration to the channel's
alternate control structure.
Task List
in Memory
TASK A
Using thechannel's primary control structure, the DMA
controller copies task C configuration to the channel's
alternate control structure.
SPRUH22I – April 2012 – Revised November 2019
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µDMA ControlTable
in Memory
SRC
PRI
DST
ALT
COPIED
µ
µDMA Control Table
in Memory
SRC
PRI
DST
ALT
COPIED
µ
µDMA ControlTable
in Memory
SRC
PRI
DST
µ
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Buffers
in Memory
SRC A
SRC B
SRC C
SRC
DST
DEST A
DEST B
DEST C
Then, using the channel's alternate control structure, the
µDMA controller copies data from the source buffer A to
the destination buffer.
Buffers
in Memory
SRC A
SRC B
SRC C
SRC
DST
DEST A
DEST B
DEST C
Then, using the channel's alternate control structure, the
µDMA controller copies data from the source buffer B to
the destination buffer.
Buffers
in Memory
SRC A
SRC B
SRC C
SRC
Then, using the channel's alternate control structure, the
µDMA controller copies data from the source buffer C to
the destination buffer.
M3 Micro Direct Memory Access ( µDMA)
Functional Description
COPIED
COPIED
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