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Switched program ram (0, 1, 0) -9 – Motorola DSP56301 User Manual

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Memory Maps

Memory Configuration

3

-9

Figure 3-3. Switched Program RAM (0, 1, 0)

Program

$FFFFFF

$000000

Internal

External

X Data

$FFFFFF

$000000

$000C00

External

Internal X Data

RAM (3K)

Internal I/O

Y Data

$FF0000

$000800

$FFFF80

Bootstrap ROM

1

Internal—
Reserved

$FF00C0

External

Internal—
Reserved

$FFF000

$FF0000

$FFFFFF

$000000

External

Internal Y Data

RAM (3K)

External I/O

$FFFF80

External

Internal—
Reserved

$FFF000

$FF0000

(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

0

2K

$000–$800

3K

$000–$BFF

3K

$000–$BFF

None

16M

Note:

1.

Address range is for 3 K bootstrap space.

Program RAM

(2K)

$000C00