adsp-2186n Analog Devices, Inc., adsp-2186n Datasheet - Page 10

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

ADSP-218xN
Program Memory
Program Memory (Full Memory Mode) is a 24-bit-wide space
for storing both instruction opcodes and data. The member
0x3FFF
0x2000
0x1FFF
0x3FFF
0x2000
0x1FFF
0x0000
0x0000
0x2000
0x3FFF
0x1FFF
0x0000
PROGRAM MEMORY
PROGRAM MEMORY
PROGRAM MEMORY
EXTERNAL PM
EXTERNAL PM
EXTERNAL PM
RESERVED
RESERVED
MODEB = 1
MODEB = 1
RESERVED
MODEB = 1
Figure 7. ADSP-2187 Memory Architecture
Figure 8. ADSP-2188 Memory Architecture
Figure 9. ADSP-2189 Memory Architecture
Rev. A | Page 10 of 48 | August 2006
0x2000
0x2000
0x3FFF
0x1FFF
0x0000
0x3FFF
0x1FFF
0x0000
0x2000
0x3FFF
0x1FFF
0x0000
PROGRAM MEMORY
PROGRAM MEMORY
PROGRAM MEMORY
PM OVERLAY 0,4,5
PM OVERLAY 1,2
PM OVERLAY 0,4,5
PM OVERLAY 1,2
(EXTERNAL PM)
(EXTERNAL PM)
(INTERNAL PM)
(INTERNAL PM)
PM OVERLAY 1,2
INTERNAL PM
(EXTERNAL PM)
(INTERNAL PM)
INTERNAL PM
PM OVERLAY
INTERNAL PM
MODEB = 0
MODEB = 0
MODEB = 0
0,4,5,6,7
DSPs of this series have up to 48K words of Program Memory
RAM on chip, and the capability of accessing up to two 8K
external memory overlay spaces, using the external data bus.
0x3FE0
0x3FE0
0x3FDF
0x2000
0x1FFF
0x3FFF
0x0000
0x3FFF
0x3FDF
0x2000
0x1FFF
0x0000
0x3FE0
0x3FDF
0x2000
0x1FFF
0x3FFF
0x0000
CONTROL REGISTERS
CONTROL REGISTERS
32 MEMORY-MAPPED
32 MEMORY-MAPPED
CONTROL REGISTERS
32 MEMORY-MAPPED
DM OVERLAY 0,4,5
DATA MEMORY
DM OVERLAY 1,2
DM OVERLAY 1,2
DATA MEMORY
(EXTERNAL DM)
(EXTERNAL DM)
(INTERNAL DM)
(INTERNAL DM)
DATA MEMORY
DM OVERLAY 1,2
INTERNAL DM
(EXTERNAL DM)
INTERNAL DM
DM OVERLAY
INTERNAL DM
(INTERNAL DM)
DM OVERLAY
0,4,5,6,7,8
0,4,5,6,7