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)： 2/48頁
文件大?。?/td> 2334K
代理商： ADSP-2189NKSTZ-320
Rev. A
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Page 10 of 48
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August 2006
ADSP-218xN
Program Memory
Program Memory (Full Memory Mode) is a 24-bit-wide space
for storing both instruction opcodes and data. The member
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.
Figure 7. ADSP-2187 Memory Architecture
Figure 8. ADSP-2188 Memory Architecture
Figure 9. ADSP-2189 Memory Architecture
PROGRAM MEMORY
PM OVERLAY 1,2
(EXTERNAL PM)
INTERNAL PM
PM OVERLAY 0,4,5
(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 0,4,5
(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
0,4,5,6,7
(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
0,4,5,6,7,8
(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 0,4,5
(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
0,4,5,6,7
(INTERNAL DM)
PROGRAM MEMORY
RESERVED
EXTERNAL PM
MODEB = 1
0x3FFF
0x2000
0x0000
0x1FFF
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