M37630 View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M37630

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

7630 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MEMORY

Special Function Register (SFR) Area

The special function register (SFR) area contains the registers

relating to functions such as I/O ports and timers.

RAM

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

and interrupts.

ROM

ROM is used for storing user’s program code as well as the inter-

rupt vector area.

Interrupt Vector Area

The interrupt vector area is for storing jump destination addresses

used at reset or when an interrupt is generated.

Zero Page

This area can be accessed most efficiently by means of the zero

page addressing mode.

Special Page

This area can be accessed most efficiently by means of the special

page addressing mode.

RAM area

RAM size

(byte)

192

256

384

512

640

768

896

1024

1536

2048

Address

XXXX16

011F16

015F16

01DF16

025F16

02DF16

035F16

03DF16

045F16

06DF16

085F16

000016

004016

User RAM

006016

00FF16

XXXX16

086016

SFR area

CAN

SFRs

Zero page

ROM area

ROM size

(byte)

4096

8192

12288

16384

20480

24576

28672

32768

36864

40960

45056

49152

53248

57344

61440

Address

YYYY16

F00016

E00016

D00016

C00016

B00016

A00016

900016

800016

700016

600016

500016

400016

300016

200016

100016

Address

ZZZZ16

F08016

E08016

D08016

C08016

B08016

A08016

908016

808016

708016

608016

508016

408016

308016

208016

108016

ROM

Not used

YYYY16

ZZZZ16

Reserved ROM area

FF0016

FFCA16

FFFB16

FFFC16

FFFF16

Interrupt vector area

Reserved ROM area

Special page

Fig. 6 Memory map diagram

MITSUBISHI

ELECTRIC

7

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