97
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
Functions Functions Functions Functions Functions
Functions
Functions
Functions
interrupts
IRQ
1
Retained
*
6
IRQ
2
Retained
*
6
IRQ
3
IRQ
4
WKP
0
Functions Functions Functions Functions Functions
Functions
Functions
Functions
WKP
1
WKP
2
WKP
3
WKP
4
WKP
5
WKP
6
WKP
7
Peripheral
Timer A
Functions Functions Functions Functions Functions
*
5
Functions
*
5
Functions
*
5
Retained
functions
Asynchronous
counter
Functions
*
8
Functions
Functions
Functions
*
8
Timer C
Retained
Functions/
Retained
*
2
Functions/
Retained
*
2
Retained
WDT
Functions/
Retained
*
7
Retained
Timer G,
Timer F
Functions/
Retained
*
9
Functions/
Retained
*
9
Functions/
Retained
*
9
SCI3-1
Reset
Functions/
Retained
*
3
Functions/
Reset
SCI3-2
PWM
Retained
Retained
Retained
Retained
A/D converter
Retained
Retained
Retained
Retained
LCD
Functions/
Retained
*
4
Functions/
Retained
*
4
Functions/
Retained
*
4
Retained
Notes:
1.
Register contents are retained, but output is high-impedance state.
2.
Functions if an external clock or the ø
W
/4 internal clock is selected; otherwise halted and retained.
3.
Functions if ø
W
/2 is selected as the internal clock; otherwise halted and retained.
4.
Functions if ø
W
, ø
W
/2 or ø
W
/4 is selected as the operating clock; otherwise halted and retained.
5.
Functions if the timekeeping time-base function is selected.
6.
External interrupt requests are ignored. Interrupt request register contents are not altered.
7.
Functions if ø
W
/32 is selected as the internal clock; otherwise halted and retained.
8.
Incrementing is possible, but interrupt generation is not.
9.
Functions if an external clock or the ø
W
/4 internal clock is selected; otherwise halted and retained.