adsp-2186n Analog Devices, Inc., adsp-2186n Datasheet - Page 9

• Manufacturer Part Number: adsp-2186n
• Description: Dsp Microcomputer
• Manufacturer: Analog Devices, Inc.

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
0x3FFF
0x2000
0x1FFF
0x0000
0x3FFF
0x2000
0x1FFF
0x2000
0x0000
0x3FFF
0x1FFF
0x0000
PROGRAM MEMORY
PROGRAM MEMORY
PROGRAM MEMORY
EXTERNAL PM
EXTERNAL PM
EXTERNAL PM
RESERVED
MODEB = 1
RESERVED
RESERVED
MODEB = 1
MODEB = 1
Figure 4. ADSP-2184 Memory Architecture
Figure 5. ADSP-2185 Memory Architecture
Figure 6. ADSP-2186 Memory Architecture
0x3FFF
0x1FFF
0x1000
0x0FFF
0x0000
0x2000
0x2000
0x2000
0x3FFF
0x1FFF
0x0000
0x3FFF
0x1FFF
0x0000
Rev. A | Page 9 of 48 | August 2006
PROGRAM MEMORY
PROGRAM MEMORY
PROGRAM MEMORY
PM OVERLAY 1,2
(EXTERNAL PM)
PM OVERLAY 1,2
PM OVERLAY 1,2
(EXTERNAL PM)
(EXTERNAL PM)
PM OVERLAY 0
(INTERNAL PM)
INTERNAL PM
PM OVERLAY 0
PM OVERLAY 0
INTERNAL PM
INTERNAL PM
(RESERVED)
MODEB = 0
RESERVED
(RESERVED)
MODEB = 0
MODEB = 0
Figure 4
Page 11
218xN series.
0x2FFF
0x3FFF
0x3FE0
0x3FDF
0x3000
0x1FFF
0x3FE0
0x2000
0x2000
0x0000
0x3FFF
0x3FDF
0x2000
0x1FFF
0x0000
0x3FFF
0x3FE0
0x3FDF
0x1FFF
0x0000
for PM and DM memory allocations in the ADSP-
through
CONTROL REGISTERS
CONTROL REGISTERS
CONTROL REGISTERS
32 MEMORY-MAPPED
32 MEMORY-MAPPED
32 MEMORY-MAPPED
Figure
DM OVERLAY 1,2
DATA MEMORY
4064 RESERVED
(EXTERNAL DM)
DM OVERLAY 1,2
DATA MEMORY
DM OVERLAY 1,2
INTERNAL DM
DM OVERLAY 0
DATA MEMORY
(EXTERNAL DM)
(EXTERNAL DM)
DM OVERLAY 0
(INTERNAL DM)
INTERNAL DM
(RESERVED)
DM OVERLAY 0
INTERNAL DM
(RESERVED)
WORDS
9,
Table 4 on Page
ADSP-218xN
11, and
Table 5 on