Analog Devices SHARC ADSP-214 Series

Functional Description
2-26 ADSP-214xx SHARC Processor Hardware Reference
Figure 2-1. DMA Address Generator
LOCAL BUS
MODIFIER
INTERNAL
MEMORY
ADDRESS
DMA ADDRESS GENERATOR (INTERNAL ADDRESSES)
LOCAL BUS
COUNT
CHAIN POINTER
MUX
DMA WORD COUNTER
–1
WORKING REGISTER
INDEX (ADDRESS)
+/-
POST-MODIFY
+
LOCAL BUS
EXTERNAL
MODIFIER
EXTERNAL
COUNT
–1
EXTERNAL
MEMORY
ADDRESS
POST-MODIFY
EXTERNAL
INDEX (ADDRESS)
DMA ADDRESS GENERATOR (EXTERNAL ADDRESSES)
+
+
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