ADSP-2188NKCAZ-320 データシートの表示（PDF） - Analog Devices

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ADSP-2188NKCAZ-320

0.3-2.2V; instruction rate 80MHz; DSP microcomputer

Analog Devices 

ADSP-218xN

0x3FFF

PROGRAM MEMORY

MODEB = 1

RESERVED

0x2000

0x1FFF

0x0000

EXTERNAL PM

0x3FFF

0x2000

0x1FFF

PROGRAM MEMORY

MODEB = 0

PM OVERLAY 1,2

(EXTERNAL PM)

PM OVERLAY 0,4,5

(INTERNAL PM)

INTERNAL PM

0x0000

0x3FFF

0x3FE0

0x3FDF

DATA MEMORY

32 MEMORY-MAPPED

CONTROL REGISTERS

INTERNAL DM

0x2000

0x1FFF

0x0000

DM OVERLAY 1,2

(EXTERNAL DM)

DM OVERLAY 0,4,5

(INTERNAL DM)

Figure 7. ADSP-2187 Memory Architecture

0x3FFF

PROGRAM MEMORY

MODEB = 1

RESERVED

0x2000

0x1FFF

0x0000

EXTERNAL PM

0x3FFF

0x2000

0x1FFF

PROGRAM MEMORY

MODEB = 0

PM OVERLAY 1,2

(EXTERNAL PM)

PM OVERLAY

0,4,5,6,7

(INTERNAL PM)

INTERNAL PM

0x0000

0x3FFF

0x3FE0

0x3FDF

0x2000

0x1FFF

0x0000

DATA MEMORY

32 MEMORY-MAPPED

CONTROL REGISTERS

INTERNAL DM

DM OVERLAY 1,2

(EXTERNAL DM)

DM OVERLAY

0,4,5,6,7,8

(INTERNAL DM)

Figure 8. ADSP-2188 Memory Architecture

0x3FFF

PROGRAM MEMORY

MODEB = 1

RESERVED

0x2000

0x1FFF

0x0000

EXTERNAL PM

0x3FFF

0x2000

0x1FFF

PROGRAM MEMORY

MODEB = 0

PM OVERLAY 1,2

(EXTERNAL PM)

PM OVERLAY 0,4,5

(INTERNAL PM)

INTERNAL PM

0x0000

DATA MEMORY

0x3FFF

0x3FE0

0x3FDF

32 MEMORY-MAPPED

CONTROL REGISTERS

INTERNAL DM

0x2000

0x1FFF

0x0000

DM OVERLAY 1,2

(EXTERNAL DM)

DM OVERLAY

0,4,5,6,7

(INTERNAL DM)

Figure 9. ADSP-2189 Memory Architecture

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.

Rev. A | Page 10 of 48 | August 2006

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