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R8C/18 Group, R8C/19 Group
Figure 10.8 shows the State Transitions in Power Control.
High-speed mode,
medium-speed mode
OCD2 = 0
CM05 = 0
CM13 = 1
Interrupt
Wait mode
Figure 10.8
State Transitions in Power Control
Rev.1.30
Apr 14, 2006
REJ09B0222-0130
Reset
Low-speed on-chip
oscillator mode
OCD2 = 1
HRA01 = 0
CM14 = 0
High-speed on-chip
oscillator mode
OCD2 = 1
HRA01 = 1
HRA00 = 1
WAIT
Interrupt
instruction
Stop mode
Page 67 of 233
There are six power control modes.
(1) High-speed mode
(2) Medium-speed mode
(3) High-speed on-chip oscillator mode
(4) Low-speed on-chip oscillator mode
(5) Wait mode
(6) Stop mode
CM05: Bit in CM0 register
CM10, CM13, CM14: Bits in CM1 register
OCD2: Bit in OCD register
HRA00, HRA01: Bits in HRA0 register
CM10 = 1
ll oscillators stop
(a
)
10. Clock Generation Circuit
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