Standby Mode - Fujitsu MB90335 Series Hardware Manual

MB90335 Series
6.5

Standby Mode

Standby modes are: sleep (PLL sleep, main sleep), time-base timer, and stop mode.
■ Operation Status in Standby Mode
Table 6.5-1 shows the operation state in the standby mode.
Table 6.5-1 Operation Status in Standby Mode
Standby Mode
PLL sleep mode
Sleep
mode
Main sleep mode
Time-base timer mode
Time-base
(SPL=0)
timer
Time-base timer mode
mode
(SPL=1)
Stop mode
(SPL=0)
Stop mode
Stop mode
(SPL=1)
*: The time-base timer and the clock timer work.
SPL: Pin state specification bit of low-power consumption mode control register (LPMCR)
SLP: Sleep mode bit of low-power consumption mode control register (LPMCR)
STP: Stop mode bit of low-power consumption mode control register (LPMCR)
TMD: Watch and time-base timer mode bit of low-power consumption mode control register (LPMCR)
MCS: Machine clock selection bit of clock selection register (CKSCR)
Hi-Z: High impedance
CM44-10137-6E
Transition Main
Condition Clock
MCS=0
SLP=1
MCS=1
SLP=1
Operation
TMD=0
TMD=0
STP=1
Stop
STP=1
FUJITSU MICROELECTRONICS LIMITED
CHAPTER 6 LOW-POWER CONSUMPTION MODE
Machine
CPU Peripheral
Clock
Operation
Stop
Stop
6.5 Standby Mode
Pin
Operation Operation
Hold
*
Stop
Hi-Z
Hold
Stop
Hi-Z
Release
Method
Reset
or
interrupt
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