89
Table 5.2
Internal State in Each Operation Mode
Active Mode
Function
High
Speed
Medium
Speed
Sleep
Mode
Watch
Mode
Subactive
Mode
Subsleep
Mode
Standby
Mode
System clock oscillator
Functional Functional Functional Stopped
Stopped
Stopped
Stopped
Subclock oscillator
Functional Functional Functional Functional
Functional
Functional
Functional
CPU
Instructions Functional Functional Stopped
Stopped
Functional
Stopped
Stopped
operation
RAM
Retained
Retained
Retained
Retained
Registers
I/O
Retained
*
1
External
IRQ
0
Functional Functional Functional Functional
Functional
Functional
Functional
interrupts
IRQ
1
Retained
*
4
IRQ
2
Retained
*
4
IRQ
3
IRQ
4
WKP
0
Functional Functional Functional Functional
Functional
Functional
Functional
WKP
1
WKP
2
WKP
3
WKP
4
WKP
5
WKP
6
WKP
7
Peripheral
Timer A
Functional Functional Functional Functional
*
3
Functional
*
3
Functional
*
3
Retained
module
Timer F
Retained
Retained
Retained
functions
Timer G
Functional/
Retained
*
2
Functional/
Retained
*
2
Timer Y
Functional Functional Functional Retained
Retained
Retained
Retained
Watchdog
timer
SCI1
Functional Functional Functional Retained
Retained
Retained
Retained
SCI3
Reset
Reset
Reset
Reset
PWM
Functional Functional Retained
Retained
Retained
Retained
Retained
DTMF
Functional Functional Functional Reset
Reset
Reset
Reset
A/D
Functional Functional Functional Retained
Retained
Retained
Retained
Notes: 1. Register contents held; high-impedance output.
2. Functional only if ø
W
/2 internal clock is selected; otherwise stopped and retained.
3. Functional when timekeeping time-base function is selected.
4. External interrupt requests are ignored. The interrupt request register contents are not
affected.