![](/html/ADI/270587/page13.png)
ADSP-218xN Series
0X3FFF
PROGRAM MEMORY
MODEB = 1
RESERVED
0X2000
0X1FFF
0X0000
EXTERNAL PM
0X3FFF
0X2000
0X1FFF
PROGRAM MEMORY
MODEB = 0
PM OVERLAY 1,2
(EXTERNAL PM)
PM OVERLAY 0,4,5
(INTERNAL PM)
INTERNAL PM
0X0000
DATA MEMORY
0X3FFF
0X3FE0
0X3FDF
32 MEMORY-MAPPED
CONTROL REGISTERS
INTERNAL DM
0X2000
0X1FFF
0X0000
DM OVERLAY 1,2
(EXTERNAL DM)
DM OVERLAY 0,4,5
(INTERNAL DM)
Figure 6. ADSP-2187 Memory Architecture
0x3FFF
PROGRAM MEMORY
MODEB = 1
RESERVED
0x2000
0x1FFF
0x0000
EXTERNAL PM
0x3FFF
0x2000
0x1FFF
PROGRAM MEMORY
MODEB = 0
PM OVERLAY 1,2
(EXTERNAL PM)
PM OVERLAY
0,4,5,6,7
(INTERNAL PM)
INTERNAL PM
0x0000
0x3FFF
0x3FE0
0x3FDF
0x2000
0x1FFF
0x0000
DATA MEMORY
32 MEMORY-MAPPED
CONTROL REGISTERS
INTERNAL DM
DM OVERLAY 1,2
(EXTERNAL DM)
DM OVERLAY
0,4,5,6,7,8
(INTERNAL DM)
Figure 7. ADSP-2188 Memory Architecture
0X3FFF
PROGRAM MEMORY
MODEB = 1
RESERVED
0X2000
0X1FFF
0X0000
EXTERNAL PM
0X3FFF
0X2000
0X1FFF
PROGRAM MEMORY
MODEB = 0
PM OVERLAY 1,2
(EXTERNAL PM)
PM OVERLAY 0,4,5
(INTERNAL PM)
INTERNAL PM
0X0000
DATA MEMORY
0X3FFF
0X3FE0
0X3FDF
32 MEMORY-MAPPED
CONTROL REGISTERS
INTERNAL DM
0X2000
0X1FFF
0X0000
DM OVERLAY 1,2
(EXTERNAL DM)
DM OVERLAY
0,4,5,6,7
(INTERNAL DM)
Figure 8. ADSP-2189 Memory Architecture
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