M83 datasheet(79/441 Pages) MITSUBISHI

79 / 441 page

Under

development

Rev.B2 for proof reading

Mitsubishi Microcomputers

M32C/83 group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Power Saving

Reset

Middle-speed mode

(divided by 8 mode)

High-speed /

middle-speed mode

Low-speed/ low power

dissipation mode

Note 1

Note 1, 5

Note 2, 4

Stop mode

Detect

oscillation stop

Stop mode

Wait mode

Note 1

CM10="1"

All oscillation is stopped

Interrupt

XIN oscillation is stopped

interrupt

WAIT instruction

interrupt

Normal operation mode

Note 1 :Switch clocks after the main clock oscillation is fully stabled.

Note 2 :Switch clocks after oscillation of sub clock is fully stable.

Note 3 :The main clock division register is set to the division by 8 mode (MCD="0816").

Note 4 :When changing to low power dissipation mode, the main clock division register is set to

the division by 8 mode (MCD="0816").

Note 5 :Low power dissipation mode can not be changed to high-speed / middle-speed mode.

Note 6 :Other oscillation mode cannot be changed to low power dissipation mode.

Note 3

Note 6

Ring oscillator / ring oscillator

low power dissipation mode

CPU operation

is stopped

Wait mode

Figure 1.8.9. Clock transition

M83 Datasheet(PDF) 79 Page - Mitsubishi Electric Semiconductor

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