M30222 Datasheet, PDF (32/237 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

deUvnedloepr ^ment
MITSUBISHI MICROCOMPUTERS
Specifications in this manual are tentative and subject to change
M30222 Group
Rev. G
Power Control
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
State Transitions for Stop and Wait modes
RESET
All oscillators stopped
Stop Mode
All oscillators stopped
Stop Mode
All oscillators stopped
Stop Mode
Interrupt
CM10 = "1"
CM10 = "1"
Interrupt
CM10 ="1"
Medium-speed mode
(divided-by-8 mode)
High speed /
Medium-speed mode
Low-speed / Low power
dissipation mode
Normal Mode
WAIT
instruction
Interrupt
WAIT
instruction
Interrupt
WAIT
instruction
Interrupt
CPU operation stopped
Wait mode
CPU operation stopped
Wait mode
CPU operation stopped
Wait mode
State Transitions for normal mode
Main clock is oscillating
Sub clock is stopped
Medium-speed mode
(divided-by-8 mode)
CM06 = "1"
Main clock is oscillating
Sub clock is oscillating
BCLK : f(Xin )/8
CM07 = "0" CM06 = "1"
CM04 = "0"
CM04 = "1" (Notes 1, 3)
CM07 = "0" (Note 1)
CM06 = "1"
CM04 = "0"
High-speed mode
BCLK ; f(Xin )
CM07 = "0" CM06 = "0"
CM17 = "0" CM16 = "0"
Medium-speed mode
(divided-by-4 mode)
BCLK : f(Xin )/4
CM07 = "0" CM06 = "0"
CM17 = "1" CM16 = "0"
Medium-speed mode
(divided-by-2 mode)
BCLK ; f(Xin )/2
CM07 = "0" CM06 = "0"
CM17 = "0" CM16 = "1"
Medium-speed mode
(divided-by-16 mode)
BCLK : f(Xin )/4
CM07 = "0" CM06 = "0"
CM17 = "1" CM16 = "1"
Medium-speed mode
(divided-by-8 mode)
BCLK : f(Xin )/8
CM07 = "0"
CM06 = "1"
CM04 = "0"
Main clock is oscillating
Sub clock is stopped
CM04 = "1"
CM07 = "0"
(Note 1, 3)
CM07 = "1"
(Note 2)
Main clock is oscillating
Sub clock is oscillating
Low-speed mode
BCLK : f(Xcin)
CM07 = "1"
CM05 = "0"
CM05 = "1"
CM06 = "0"
(Notes 1, 3)
High-speed mode
BCLK ; f(Xin )
CM07 = "0" CM06 = "0"
CM17 = "0" CM16 = "0"
Medium-speed mode
(divided-by-4 mode)
BCLK : f(Xin )/4
CM07 = "0" CM06 = "0"
CM17 = "1" CM16 = "0"
Medium-speed mode
(divided-by-2 mode)
BCLK ; f(Xin )/2
CM07 = "0" CM06 = "0"
CM17 = "0" CM16 = "1"
Medium-speed mode
(divided-by-16 mode)
BCLK : f(Xin )/4
CM07 = "0" CM06 = "0"
CM17 = "1" CM16 = "1"
Main clock is stopped
Sub clock is oscillating
Low-power dissipation mode
CM07 = "1" (Note 2)
CM05 = "1"
BCLK : f(Xcin)
CM07 = "1"
CM07 = "0" (Note 1)
CM06 = "0" (Note 3)
CM04 = "1"
Note 1: Switch clock after oscillation of main clock is sufficiently stable.
Note 2: Switch clock after oscillation of sub clock is sufficiently stable.
Note 3: Change CM06 after changing CM17 and CM16.
Note 4: Transit in accordance with arrow.
Fig. 1.19. State Transition diagram of power control mode
1-33