Mixed-Word Width Addressing Of Long Word With Extended Word - Analog Devices ADSP-21261 SHARC Hardware Reference Manual

Mixed-Word Width Addressing of Long Word with
Extended Word
Figure 5-32 shows an example of a mixed-word width, dual-data, SISD
mode access. This example shows how the processor transfers a long word
access on the DM bus and transfers an extended-precision normal word
access on the PM bus.
ADSP-2126x SHARC Processor Hardware Reference
Memory
5-67