M306H7MG-XXXFP Datasheet, PDF (39/329 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER

M306H7MG-XXXFP/MC-XXXFP/FGFP
4. CLOCK GENERATION CIRCUIT
Figure 4.8 shows the state transition from normal operation mode to stop mode and wait mode.
Figure 4.9 shows the state transition in normal operation mode.
Reset
All oscillators stopped
CM10=1
CM07=0
CM06=1
CM05=0
CM10=1
(Note 2)
Stop mode
Interrupt
Interrupt
Stop mode
CM10=1
Stop mode
CM10=1
Interrupt
Medium-speed mode
(divided-by-8 mode)
High-speed, medium-
speed mode
When
low power
dissipation
mode
When
low-
speed
mode
Low-speed, low power
dissipation mode
Normal mode
WAIT
instruction
Interrupt
WAIT
instruction
Interrupt
WAIT
instruction
Interrupt
CPU operation stopped
Wait mode
Wait mode
Wait mode
Figure 4.8 State Transition to Stop Mode and Wait Mode
Rev.2.10 Oct 25, 2006 Page 39 of 326
REJ03B0152-0210