
MB90470 Series
70
17. Low Power Modes
The MB90470 series uses a selection of operating clock signals and clock operation controls to provide the
following CPU operating modes.
Clock modes
(PLL clock mode, main clock mode, sub-clock mode)
CPU intermittent operation modes
(PLL clock intermittent operation mode, main clock intermittent operation mode, sub-clock intermittent
operation mode)
Standby mode
(Sleep mode, time base timer mode, stop mode, watch mode)
(1) Register List
Low power mode control register (LPMCR)
0000A0
H
Default value
( W )
( 0 )
(R/W)
( 0 )
( W )
( 1 )
(R/W)
( 1 )
(R/W)
( 0 )
(R/W)
( 0 )
(R/W)
( 0 )
7
6
5
4
3
2
1
0
SLP
( W )
( 0 )
STP
SPL
RST
TMD
CG1
CG0
Reserved