参数资料
型号: ADSP-2188NKSTZ-320
厂商: Analog Devices Inc
文件页数: 2/48页
文件大小: 0K
描述: IC DSP CONTROLLER 16BIT 100LQFP
标准包装: 1
系列: ADSP-21xx
类型: 定点
接口: 主机接口,串行端口
时钟速率: 80MHz
非易失内存: 外部
芯片上RAM: 256kB
电压 - 输入/输出: 1.8V,2.5V,3.3V
电压 - 核心: 1.80V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-LQFP(14x14)
包装: 托盘
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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