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| E202075_HD404889 Datasheet, PDF (53/202 Pages) Renesas Technology Corp – Low-Voltage AS Microcomputers with On-Chip LCD Circuit | |||
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HD404889/HD404899/HD404878/HD404868 Series
Table 20 Operation in Low-Power Dissipation Modes
Function
Stop Mode
Watch mode
Standby Mode
Subactive Mode*3
CPU
Retained
Retained
Retained
OP
RAM
Retained
Retained
Retained
OP
Timer A
Stopped
OP
OP
OP
Timer B
Stopped
Stopped
OP
OP
Timer C
Stopped
Stopped
OP
OP
Timer D *4
Stopped
Stopped
OP
OP
Serial interface Stopped *1
Stopped *1
OP
OP
A/D *5
Stopped
Stopped
OP
Stopped
LCD
Stopped
OP *2
OP
OP
I/O
Retained
Retained
Retained
OP
Notes: OP: implies in operation.
1. Transmission/Reception is activated if a clock is input in external clock mode. However,
interrupts stop.
2. When a 32 kHz clock source is used.
3. Subactive mode is an optional function specified on the function option list.
4. Applies to HD404889, HD404899, and HD404878 Series.
5. Applies to HD404889, HD404899, and HD404868 Series.
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