ADSP-2188NBSTZ-320 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADSP-2188NBSTZ-320 Datasheet PDF : 48 Pages
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MEMORY ARCHITECTURE
The ADSP-218xN series provides a variety of memory and
peripheral interface options. The key functional groups are Pro-
gram Memory, Data Memory, Byte Memory, and I/O. Refer to
ADSP-218xN
Figure 4 through Figure 9, Table 4 on Page 11, and Table 5 on
Page 11 for PM and DM memory allocations in the ADSP-
218xN series.
0x3FFF
PROGRAM MEMORY
MODEB = 1
RESERVED
0x2000
0x1FFF
0x0000
EXTERNAL PM
0x3FFF
0x2000
0x1FFF
0x1000
0x0FFF
0x0000
PROGRAM MEMORY
MODEB = 0
PM OVERLAY 1,2
(EXTERNAL PM)
PM OVERLAY 0
(RESERVED)
RESERVED
INTERNAL PM
DATA MEMORY
0x3FFF
0x3FE0
0x3FDF
0x3000
0x2FFF
0x2000
0x1FFF
0x0000
32 MEMORY-MAPPED
CONTROL REGISTERS
4064 RESERVED
WORDS
INTERNAL DM
DM OVERLAY 1,2
(EXTERNAL DM)
DM OVERLAY 0
(RESERVED)
Figure 4. ADSP-2184 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
(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
(INTERNAL DM)
Figure 5. ADSP-2185 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
(RESERVED)
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
(RESERVED)
Figure 6. ADSP-2186 Memory Architecture
Rev. A | Page 9 of 48 | August 2006
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