HD404374 Datasheet, PDF (47/161 Pages) Renesas Technology Corp – Low-Voltage AS Microcomputers with On-Chip A/D Converter

HD404374/HD404384/HD404389/HD404082/HD404084 Series
Stop mode Standby mode Watch mode*¹
No
=0?
No
=0?
Yes
Yes
No
0^{= ?}
Yes
IFWU•
No
=1?
Yes
IF0• = 1? ^No
Yes
IFTA •
No
= 1?
Yes
IFTB •
No
= 1?
System clock
oscillator started
System reset
Yes*²
IFTC•
No
= 1?
Yes*²
IFAD• +
IFS• = 1? _No
Yes*²
System clock
oscillator started
NOP
Next Instruction
execution
System clock
oscillator started
Notes: 1. Applies to HD404374 Series
2. Only when clearing from standby mode
No
IF = 1,
IM = 0,
IE = 1?
Yes
Next Instruction
execution
Interrupts
enabled
Figure 12 MCU Operation Flowchart
Rev.5.00, Sep.11.2003, page 47 of 161