資料來源 : Free On-Line Dictionary of Computing
Data Address Generator
(DAG) The mechanism which generates temporary
memory addresses for data that is transferred between memory
and {registers} in a {Digital Signal Processor}.
Certain {DSP} architectures incorporate more than one DAG to
simplify the programming needed to move blocks of data between
buffers.
For instance, certain {Fast Fourier Transform} {algorithms}
requiring {bit reversing}, can use the DAG for that purpose,
or they can use two DAGS, one for Program Memory Data (PMD),
and the other for Data Memory Data (DMD).
(1997-08-12)