參數(shù)資料
型號(hào)： ADSP-2187NKST-320
廠商： ANALOG DEVICES INC
元件分類： 數(shù)字信號(hào)處理
英文描述： DSP Microcomputer
中文描述： 24-BIT, 40 MHz, OTHER DSP, PQFP100
封裝： MS-026BED, LQFP-100
文件頁數(shù)： 12/48頁
文件大?。?/td> 1571K
代理商： ADSP-2187NKST-320
ADSP-218xN Series
–12–
REV. 0
MEMORY ARCHITECTURE
The ADSP-218xN series provides a variety of memory and
peripheral interface options. The key functional groups are
Program Memory, Data Memory, Byte Memory, and I/O.
Refer to
Figure 3
through
Figure 8
,
Table 8 on page 14
, and
Table 9 on page 14
for PM and DM memory allocations in
the ADSP-218xN series.
Figure 3. ADSP-2184 Memory Architecture
Figure 4. ADSP-2185 Memory Architecture
Figure 5. ADSP-2186 Memory Architecture
PROGRAM MEMORY
MODEB = 0
PM OVERLAY 1,2
(EXTERNAL PM)
INTERNAL PM
PM OVERLAY 0
(RESERVED)
RESERVED
0X3FFF
0X2000
0X1FFF
0X0000
0X1000
0X3FFF
0X2000
0X1FFF
0X0000
0X3FE0
0X3FDF
0X3000
0X2FFF
DATA MEMORY
DM OVERLAY 1,2
(EXTERNAL DM)
DM OVERLAY 0
(RESERVED)
INTERNAL DM
32 MEMORY-MAPPED
CONTROL REGISTERS
4064 RESERVED
WORDS
PROGRAM MEMORY
MODEB = 1
RESERVED
EXTERNAL PM
0X3FFF
0X2000
0X1FFF
0X0000
PROGRAM MEMORY
MODEB = 0
PM OVERLAY 1,2
(EXTERNAL PM)
INTERNAL PM
PM OVERLAY 0
(RESERVED)
0X3FFF
0X2000
0X1FFF
0X0000
0X3FFF
0X2000
0X1FFF
0X0000
0X3FE0
0X3FDF
DATA MEMORY
DM OVERLAY 1,2
(EXTERNAL DM)
DM OVERLAY 0
(INTERNAL DM)
INTERNAL DM
32 MEMORY-MAPPED
CONTROL REGISTERS
PROGRAM MEMORY
MODEB = 1
RESERVED
EXTERNAL PM
0X3FFF
0X2000
0X1FFF
0X0000
PROGRAM MEMORY
MODEB = 0
PM OVERLAY 1,2
(EXTERNAL PM)
INTERNAL PM
PM OVERLAY 0
(RESERVED)
0X3FFF
0X2000
0X1FFF
0X0000
0X3FFF
0X2000
0X1FFF
0X0000
0X3FE0
0X3FDF
DATA MEMORY
DM OVERLAY 1,2
(EXTERNAL DM)
DM OVERLAY 0
(RESERVED)
INTERNAL DM
32 MEMORY-MAPPED
CONTROL REGISTERS
PROGRAM MEMORY
MODEB = 1
RESERVED
EXTERNAL PM
0X3FFF
0X2000
0X1FFF
0X0000
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