M37516MB-XXXHP Просмотр технического описания (PDF) - Renesas Electronics

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M37516MB-XXXHP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

7516 Group

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.

Product name

M37516M4

M37516M6/E6

M37516M8/F8

RAM size

512 bytes

640 bytes

1024 bytes

ROM size

16 Kbytes

24 Kbytes

32 Kbytes

RAM area

RAM size

(bytes)

512

640

1024

ROM area

ROM size

(bytes)

16384

24576

32768

Address

XXXX16

023F16

02BF16

043F16

Address

YYYY16

C00016

A00016

800016

Address

ZZZZ16

C08016

A08016

808016

RAM

000016

004016

010016

XXXX16

SFR area

Zero page

Not used

0FF016

0FFF16

YYYY16

ZZZZ16

SFR area (Note)

Not used

Reserved ROM area

(128 bytes)

Fig. 8 Memory map diagram

ROM

FF0016

FFDC16

FFFE16

FFFF16

Interrupt vector area

Reserved ROM area

Special page

Note: Flash memory version only

Rev.1.01 Jul 01, 2003 page 11 of 89

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