Table of Contents
Advertisement
CHAPTER 6 LOW POWER CONSUMPTION MODE
6.5
Standby Mode
Standby mode includes the sleep (PLL sleep and main sleep), time-base timer and stop
modes.
■ Operating Status during Standby Mode
Table 6.5-1 summarizes the operating statuses during standby mode.
Table 6.5-1 Operation Statuses during Standby Mode
Standby mode
PLL sleep
mode
Sleep
mode
Main sleep
mode
PLL time-base
timer mode
(SPL = 0)
PLL time-base
timer mode
(SPL = 1)
Time-
base
Main time-
timer
base timer
mode
mode (SPL =
0)
Main time-
base timer
mode (SPL =
1)
Main/PLL stop
mode
(SPL = 0)
Stop
mode
Main/PLL stop
mode
(SPL = 1)
*:
Only the time-base timer is active.
SPL:
Pin state setting bit of low power consumption mode control register (LPMCR)
SLP:
Sleep bit of LPMCR
STP:
Stop bit of LPMCR
TMDX: Time-base timer bit of LPMCR
MCS:
Machine clock selection bit of clock selection register (CKSCR)
Hi-Z:
High-impedance
98
Condition
Oscillation
for switch
MCS = 0
SLP = 1
MCS = 1
SLP = 1
MCS = 0
TMDX = 0
Active
MCS = 1
STP = 1
MCS = x
Inactive
STP = 1
Clock
CPU
Active
Active
Inactive *
In-active
Inactive
Inactive
Peripheral
Pin
Active
Hold
Hi-Z
Reset or
Hold
Interrupt
Hi-Z
Hold
Hi-Z
Release
event
Advertisement
Table of Contents
