Nokia 9110 サービスマニュアル

PAMS

Technical Documentation

RAE–2

Baseband 

Page 2– 40

Original  02/99

MAD2 contains 12 kb RAM memory, 68 kb ROM memory. Memory is di-
vided as follows

 – Data:

10 kb DARAM

2 kb API RAM

16 kb DROM

 – Program:

48 kb PROM

 – Program/Data:

4 kb PDROM

Figure 23.

MAD

2

 

12/68

 DSP M

EMORY

 M

AP

0000h

0080h

0800h

1000h

3000h

5000h

5800h

F000h

FFFFh

R

ESERVED

 

(OVLY=1)

N

OT

 U

SED

 

(OVLY=0)

O

N–

C

HIP

 RAM 

(OVLY=1)

N

OT

 U

SED

 

(OVLY=0)

O

N–

C

HIP

 RAM 

(OVLY=1)

N

OT

 U

SED

 

(OVLY=0)

N

OT

 U

SED

 

(OVLY=0)

O

N–

C

HIP

 P

ROGRAM

 ROM

(MPNMC=0)

0000h

0060h

0080h

0800h

1000h

3000h

B000h

M

EMORY

 M

APPED

 R

EGISTERS

S

CRATCH–

P

AD

 RAM

O

N–

C

HIP

 RAM

O

N–

C

HIP

 API RAM

O

N–

C

HIP

 RAM

N

OT

 U

SED

O

N–

C

HIP

 D

ATA

 ROM

(DROM=1)

N

OT

 U

SED

 

(DROM=0)

48 kW PROM

4 kW PDROM

12 kW RAM

FFFFh

B

A

C

B

OUNDARIES

A

I

NTERNAL

 DARAM 

TO

 E

XTERNAL

 B

OUNDARY

B

E

XTERNAL

 B

OUNDARY

 

TO

 I

NTERNAL

 PROM

C

E

XTERNAL

 B

OUNDARY

 

TO

 I

NTERNAL

 PDROM

16 kW DROM

F000h

N

OTE!

 MPNMC 

IS

 

TIED

 

TO

 

0

API RAM 

(OVLY=1)