參數(shù)資料
型號(hào): ADSP-2185NKSTZ-320
廠(chǎng)商: Analog Devices Inc
文件頁(yè)數(shù): 48/48頁(yè)
文件大?。?/td> 0K
描述: IC DSP CONTROLLER 16BIT 100LQFP
標(biāo)準(zhǔn)包裝: 1
系列: ADSP-21xx
類(lèi)型: 定點(diǎn)
接口: 主機(jī)接口,串行端口
時(shí)鐘速率: 80MHz
非易失內(nèi)存: 外部
芯片上RAM: 80kB
電壓 - 輸入/輸出: 1.8V,2.5V,3.3V
電壓 - 核心: 1.80V
工作溫度: 0°C ~ 70°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 100-LQFP
供應(yīng)商設(shè)備封裝: 100-LQFP(14x14)
包裝: 托盤(pán)
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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