Analog Devices SHARC ADSP-214 Series Hardware Reference Manual page 104

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