Datasheet

TMS570LS1224

SPNS190B –OCTOBER 2012–REVISED FEBRUARY 2015

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6.16 DMA Controller

The DMA controller is used to transfer data between two locations in the memory map in the background

of CPU operations. Typically, the DMA is used to:

• Transfer blocks of data between external and internal data memories

• Restructure portions of internal data memory

• Continually service a peripheral

6.16.1 DMA Features

• CPU independent data transfer

• One 64-bit master port that interfaces to the Memory System.

• FIFO buffer(4 entries deep and each 64bit wide)

• Channel control information is stored in RAM protected by parity

• 16 channels with individual enable

• Channel chaining capability

• 32 peripheral DMA requests

• Hardware and Software DMA requests

• 8, 16, 32 or 64-bit transactions supported

• Multiple addressing modes for source/destination (fixed, increment, offset)

• Auto-initiation

• Power-management mode

• Memory Protection with four configurable memory regions

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