 English |
|
|
|
|
|
|
|
| HD404629R Datasheet, PDF (42/157 Pages) Renesas Technology Corp – AS Microcomputer Incorporating a DTMF Generator Circuit | |||
| |||
| ◁ |
HD404629R Series
MCU operation
cycle
IF = 1?
Yes
No
Instruction
execution
No
IM = 0 and
IE = 1?
Yes
Yes SBY/STOP
instruction?
No
Low-power mode
operation cycle
PC â Next
location
IE â 0
Stack â (PC),
(CA),
(ST)
PC âVector
address
IF: Interrupt request flag
IM: Interrupt mask
IE: Interrupt enable flag
PC: Program counter
CA: Carry flag
ST: Status flag
Figure 21 MCU Operating Sequence (MCU Operation Cycle)
40
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese