M38062M3-156FP MITSUBISHI [Mitsubishi Electric Semiconductor], M38062M3-156FP Datasheet - Page 9

• Manufacturer Part Number: M38062M3-156FP
• Description: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

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:
CPU mode register
The CPU mode register is allocated at address 003B
The CPU mode register contains the stack page selection bit.
Fig. 1 Structure of CPU mode register
The FST and SLW instruction cannot be used.
The STP, WIT, MUL, and DIV instruction can be used.
b7
b0
CPU mode register
(
CPUM : address
Processor mode bits
Stack page selection bit
Not used (return “0” when read)
b1 b0
0
0
1
1
0 : 0 page
1 : 1 page
0 : Single-chip mode
1 : Memory expansion mode
0 : Microprocessor mode
1 : Not available
003B
16
16
.
)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
3806 Group
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