M38C35MBMXXXFS View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M38C35MBMXXXFS

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

38C3 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MEMORY

Special Function Register (SFR) Area

The Special Function Register area in the zero page contains control

registers such as I/O ports and timers.

RAM

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

and interrupts.

ROM

The first 128 bytes and the last 2 bytes of ROM are reserved for

device testing and the rest is user area for storing programs.

Interrupt Vector Area

The interrupt vector area contains reset and interrupt vectors.

Zero Page

Access to this area with only 2 bytes is possible in the zero page

addressing mode.

Special Page

Access to this area with only 2 bytes is possible in the special page

addressing mode.

RAM area

RAM size

(bytes)

192

256

384

512

640

768

896

1024

Address

XXXX16

00FF16

013F16

01BF16

023F16

02BF16

033F16

03BF16

043F16

ROM area

ROM size

(bytes)

4096

8192

12288

16384

20480

24576

28672

32768

36864

40960

45056

49152

Address

YYYY16

F00016

E00016

D00016

C00016

B00016

A00016

900016

800016

700016

600016

500016

400016

Address

ZZZZ16

F08016

E08016

D08016

C08016

B08016

A08016

908016

808016

708016

608016

508016

408016

Note 1 : This is valid only in mask ROM version.

Fig. 6 Memory map diagram

RAM

000016

004016

005016

005816

SFR area 1

LCD display RAM area

ROM corrective RAM area

(Note 1)

010016

XXXX16

Reserved area

044016

0F0016

0FFF16

YYYY16

ZZZZ16

Not used

SFR area 2 (Note 1)

Reserved ROM area

(128 bytes)

Zero page

ROM

FF0016

FFDC16

FFFE16

FFFF16

Interrupt vector area

Reserved ROM area

Special page

8

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