M306V2ME Datasheet, PDF (45/276 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI MICROCOMPUTERS
M306V2ME-XXXFP
M306V2EEFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Transition of stop mode, wait mode
Reset
Stop mode
CM10 = “1”
All oscillators stopped ^Interrupt
Interrupt
Stop mode
CM10 = “1”
All oscillators stopped
Medium-speed mode
(Divided-by-8 mode)
High-speed/
medium-speed
mode
WAIT
instruction
Wait mode
Interrupt
CPU operation stopped
WAIT
instruction
Interrupt
Wait mode
CPU operation stopped
Stop mode
CM10 = “1”
All oscillators stopped ^Interrupt
Low-speed/
low power dissipation
mode
Normal mode
WAIT
instruction
Interrupt
Wait mode
CPU operation stopped
(See the figure below as for transition of normal mode)
Transition of normal mode
Main clock is oscillating
Sub-clock is stopped
CM06 = “1”
Medium-speed mode (divided-by-8 mode)
BCLK : f(XIN)/8
CM07 = “0”
CM06 = “1”
Main clock is oscillating
Sub-clock is oscillating
CM04 = “0”
CM04 = “1”
(Notes 1, 3)
CM07 = “0”
CM06 = “1”
CM04 = “0”
(Note 1)
High-speed mode
BCLK : f(XIN)
CM07 = “0” CM06 = “0”
CM17 = “0” CM16 = “0”
Medium-speed mode (divided-by-2)
BCLK : f(XIN)/2
CM07 = “0” CM06 = “0”
CM17 = “0” CM16 = “1”
Medium-speed mode (divided-by-4) Medium-speed mode (divided-by-16)
BCLK : f(XIN)/4
CM07 = “0” CM06 = “0”
CM17 = “1” CM16 = “0”
BCLK : f(XIN)/16
CM07 = “0” CM06 = “0”
CM17 = “1” CM16 = “1”
CM07 = “0”
(Notes 1, 3)
Medium-speed mode (divided-by-8)
BCLK : f(XIN)/8
CM07 = “0”
CM06 = “1”
CM07 = “1”
(Note 2)
Main clock is oscillating
Sub-clock is oscillating
Low-speed mode
BCLK : f(XCIN)
CM07 = “1”
CM04 = “0”
CM04 = “1”
Main clock is oscillating
Sub clock is stopped
High-speed mode
Medium-speed mode (divided-by-2)
BCLK : f(XIN)
CM07 = “0” CM06 = “0”
CM17 = “0” CM16 = “0”
BCLK : f(XIN)/2
CM07 = “0” CM06 = “0”
CM17 = “0” CM16 = “1”
CM07 = “0”
CM06 = “0”
CM04 = “0”
(Notes 1, 3)
CM05 = “0”
CM05 = “1”
Main clock is stopped
Sub-clock is oscillating
Low power dissipation mode
CM07 = “1”
CM05 = “1”
(Note 2)
BCLK : f(XCIN)
CM07 = “1”
CM06 = “0”
(Notes1, 3)
Medium-speed mode (divided-by-4) Medium-speed mode (divided-by-16)
BCLK: f(XIN)/4
CM07 = “0” CM06 = “0”
CM17 = “1” CM16 = “0”
BCLK : f(XIN)/16
CM07 = “0” CM06 = “0”
CM17 = “1” CM16 = “1”
Notes 1: Switch clocks after oscillation of main clock is
sufficiently stable.
2: Switch clocks after oscillation of sub-clock is
sufficiently stable.
3: Change CM06 after changing CM17 and
CM16.
4: Transit in accordance with arrows.
Figure 2.5.7 State transition diagram of Power control mode
Rev. 1.0
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