M38063M2AFP datasheet(10/58 Pages) RENESAS

Il numero della parte	M38063M2AFP

Spiegazioni elettronici	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

PDF	58 Pages

Scroll/Zoom	100%

Produttore elettronici	RENESAS [Renesas Technology Corp]

Homepage	http://www.renesas.com

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MITSUBISHI MICROCOMPUTERS

3806 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

FUNCTIONAL DESCRIPTION

Central Processing Unit (CPU)

The 3806 group uses the standard 740 family instruction set. Re-

fer to the table of 740 family addressing modes and machine in-

structions or the SERIES 740 <Software> User’s Manual for de-

tails on the instruction set.

Machine-resident 740 family instructions are as follows:

The FST and SLW instruction cannot be used.

The STP, WIT, MUL, and DIV instruction can be used.

CPU mode register

The CPU mode register is allocated at address 003B16.

The CPU mode register contains the stack page selection bit.

Fig. 1 Structure of CPU mode register

CPU mode register

(CPUM : address 003B16)

Stack page selection bit

0 : 0 page

1 : 1 page

Not used (return “0” when read)

Processor mode bits

b1 b0

0 : Single-chip mode

1 : Memory expansion mode

0 : Microprocessor mode

1 : Not available

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