95
Table 5.2
Internal State in Each Operating Mode
Active Mode
Sleep Mode
Function
High-
Speed
Medium-
Speed
High-
Speed
Medium-
Speed
Watch
Mode
Subactive
Mode
Subsleep
Mode
Standby
Mode
System clock oscillator
Functions Functions Functions Functions Halted
Halted
Halted
Halted
Subclock oscillator
Functions Functions Functions Functions Functions
Functions
Functions
Functions
CPU
Instructions
Functions Functions Halted
Halted
Halted
Functions
Halted
Halted
operations
RAM
Retained
Retained
Retained
Retained
Retained
Registers
I/O ports
Retained
*
1
External
IRQ
0
IRQ
1
IRQAEC
Functions Functions Functions Functions Functions
Functions
Functions
Functions
interrupts
Retained
*
5
Retained
*
5
WKP
0
WKP
1
WKP
2
WKP
3
WKP
4
WKP
5
WKP
6
WKP
7
Timer A
Functions Functions Functions Functions Functions
Functions
Functions
Functions
Peripheral
Functions Functions Functions Functions Functions
*
4
Functions
*
4
Functions
*
4
Retained
functions
Asynchronous
counter
Functions
*
6
Functions
Functions
Functions
*
6
Timer F
Functions/
Retained
*
7
Functions/
Retained
*
7
Functions/
Retained
*
7
Retained
SCI3
Reset
Functions/
Retained
*
2
Functions/
Retained
*
2
Reset
PWM
Retained
Retained
Retained
Retained
A/D converter
Retained
Retained
Retained
Retained
LCD
Functions/
Retained
*
3
Functions/
Retained
*
3
Functions/
Retained
*
3
Retained
Notes:
1.
2.
3.
4.
5.
6.
7.
Register contents are retained, but output is high-impedance state.
Functions if
W
/2 is selected as the internal clock; otherwise halted and retained.
Functions if
W
,
W
/2 or
W
/4 is selected as the operating clock; otherwise halted and retained.
Functions if the timekeeping time-base function is selected.
External interrupt requests are ignored. Interrupt request register contents are not altered.
Incrementing is possible, but interrupt generation is not.
Functions if the
W
/4 internal clock is selected; otherwise halted and retained.