參數(shù)資料
型號： ADSP-2189NKSTZ-320
廠商： ANALOG DEVICES INC
元件分類： 數(shù)字信號處理
英文描述： 16-Bit, 80MIPS, 1.8V, 2 Serial Ports, Host Port, 192KB RAM; Package: 100 ld LQFP; No of Pins: 100; Temperature Range: Comm.
中文描述： 24-BIT, 40 MHz, OTHER DSP, PQFP100
封裝： LEAD FREE, MS-026BED, LQFP-100
文件頁數(shù)： 48/48頁
文件大?。?/td> 2334K
代理商： ADSP-2189NKSTZ-320
ADSP-218xN
Rev. A
|
Page 9 of 48
|
August 2006
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
Page 11 for PM and DM memory allocations in the ADSP-
218xN series.
Figure 4. ADSP-2184 Memory Architecture
Figure 5. ADSP-2185 Memory Architecture
Figure 6. ADSP-2186 Memory Architecture
PROGRAM MEMORY
PM OVERLAY 1,2
(EXTERNAL PM)
INTERNAL PM
PM OVERLAY 0
(RESERVED)
RESERVED
MODEB = 0
0x3FFF
0x2000
0x0000
0x0FFF
0x1000
0x1FFF
0x3FFF
0x2000
0x0000
0x3FE0
0x3FDF
0x3000
0x2FFF
0x1FFF
DATA MEMORY
DM OVERLAY 1,2
(EXTERNAL DM)
INTERNAL DM
32 MEMORY-MAPPED
CONTROL REGISTERS
4064 RESERVED
WORDS
DM OVERLAY 0
(RESERVED)
PROGRAM MEMORY
RESERVED
EXTERNAL PM
MODEB = 1
0x3FFF
0x2000
0x0000
0x1FFF
PROGRAM MEMORY
PM OVERLAY 1,2
(EXTERNAL PM)
INTERNAL PM
PM OVERLAY 0
(INTERNAL PM)
MODEB = 0
0x3FFF
0x2000
0x0000
0x1FFF
0x3FFF
0x2000
0x0000
0x3FE0
0x3FDF
0x1FFF
DATA MEMORY
DM OVERLAY 1,2
(EXTERNAL DM)
INTERNAL DM
32 MEMORY-MAPPED
CONTROL REGISTERS
DM OVERLAY 0
(INTERNAL DM)
PROGRAM MEMORY
RESERVED
EXTERNAL PM
MODEB = 1
0x3FFF
0x2000
0x0000
0x1FFF
PROGRAM MEMORY
PM OVERLAY 1,2
(EXTERNAL PM)
INTERNAL PM
PM OVERLAY 0
(RESERVED)
MODEB = 0
0x3FFF
0x2000
0x0000
0x1FFF
0x3FFF
0x2000
0x0000
0x3FE0
0x3FDF
0x1FFF
DATA MEMORY
DM OVERLAY 1,2
(EXTERNAL DM)
INTERNAL DM
32 MEMORY-MAPPED
CONTROL REGISTERS
DM OVERLAY 0
(RESERVED)
PROGRAM MEMORY
RESERVED
EXTERNAL PM
MODEB = 1
0x3FFF
0x2000
0x0000
0x1FFF
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