M37160MF datasheet(13/131 Pages) RENESAS

13 / 131 page

Rev.1.01

2003.11.13

page 13 of 130

M37160M8/MA/MF-XXXSP/FP,M37160EFSP/FP

8.2 MEMORY

8.2.1 Special Function Register (SFR) Area

The special function register (SFR) area in the zero page includes

control registers such as I/O ports and timers.

8.2.2 RAM

RAM is used for data storage and for stack area of subroutine calls

and interrupts.

8.2.3 ROM

ROM is used for storing user programs as well as the interrupt vector

area.

8.2.4 OSD RAM

RAM used for specifying the character codes and colors for display.

8.2.5 OSD ROM

ROM used for storing character data for display.

8.2.6 Interrupt Vector Area

The interrupt vector area contains reset and interrupt vectors.

8.2.7 Zero Page

The zero page addressing mode can be used to specify memory and

sible with only 2 bytes in the zero page addressing mode.

8.2.8 Special Page

The special page addressing mode can be used to specify memory

addresses in the special page area. Access to this area is possible

with only 2 bytes in the special page addressing mode.

8.2.9 ROM Correction Memory (RAM)

This is used as the program area for ROM correction.

Fig. 8.2.1 Memory Map (M37160M6/M8-XXXSP/FP, M37160EFSP/FP)

000016

00C016

00FF16

087F16

SFR1 area

Not used

FFFF16

FFDE16

FF0016

080016

Interrupt vector area

Special page

OSD RAM

(128 bytes)

Zero page

020016

020F16

SFR2 area

Not used

030016

00BF16

010016

01FF16

100016

Not used

ROM correction function

Vector 1: address 030016

Vector 2: address 032016

032016

06FF16

8000 16

M37160MF-XXXSP/FP

M37160EFSP/FP

ROM

(60K bytes)

1000016

1FFFF16

Not used

s M37160M8/MA/MF-XXXSP/FP, M37160EFSP/FP

M37160M8-

XXXSP/FP

ROM

(32K bytes)

Not used

13BFF16

1140016

OSD ROM

(Character font)

(10 bytes)

1FBFF16

1D40016

OSD ROM

(Color dot font)

(10 bytes)

Not used

05BF16

6000 16

M37160MA-XXXSP/FP

ROM

(40K bytes)

M37160MA/MF-XXXSP/FP

M37160EFSP/FP

RAM

(1472 bytes)

M37160M8-

XXXSP/FP,

RAM

(1152 bytes)

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