Bit space with switched program ram (0, 1, 1) -10 – Motorola DSP56301 User Manual

Page 70

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Memory Maps

3

-10

DSP56301 User’s Manual

Figure 3-4. 16-Bit Space With Switched Program RAM (0, 1, 1)

Program

$FFFF

$0000

Internal

External

X Data

$FFFF

$0000

$0C00

External

Internal X Data

RAM (3K)

Internal I/O

Y Data

$0800

$FF80

$FFFF

$0000

External

Internal Y Data

RAM (3K)

External I/O

$FF80

(128 words)

(128 words)

Bit Settings

Memory Configuration

CE

MS

SC

Program

RAM

X Data RAM

Y Data RAM

Cache

Addressable

Memory Size

0

1

1

2K

$000–$7FF

3K

$000–$BFF

3K

$000–$BFF

None

64K

Program RAM

(2K)

$0C00

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