M37516M6 Просмотр технического описания (PDF) - Mitsumi

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M37516M6

Single chip 8-bit microcomputer

Mitsumi 

MEMORY

Special Function Register (SFR) Area

The Special Function Register area in the zero page contains con-

trol 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.

000016

004016

SFR area

RAM

640 bytes

010016

023F16

Reserved area

044016

Not used

A00016

A08016

Reserved ROM area

(128 bytes)

Zero page

ROM

24 Kbytes

FF0016

FFDC16

Interrupt vector area

FFFE16

FFFF16 Reserved ROM area

Special page

Fig. 4 Memory map diagram

M37516M6-XXXHP

GNOK-M37516M6-XXXHP-50

(MSETSU 2)

PA

GE

6/54

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