HD404374 Datasheet, PDF (38/161 Pages) Renesas Technology Corp – Low-Voltage AS Microcomputers with On-Chip A/D Converter

HD404374/HD404384/HD404389/HD404082/HD404084 Series
Power ON
="0"?
Yes
No
Yes
Interrupt request?
No
Reset MCU
Execute instruction
PC←(PC)+1
IE="1"?
Yes
Accept interrupt
IE←"0"
Stack←(PC)
Stack←(CA)
Stack←(ST)
PC←$0002
PC←$0004
PC←$0008
Yes
0
interrupt?
No
Yes
0
interrupt?
No
Yes
Timer A interrupt?
PC←$000A
No
Yes
Timer B interrupt?
PC←$000C
No
Yes
Timer C interrupt?
PC←$000E
Figure 10 Interrupt Handling Flowchart
No
(A/D, serial interrupt)
Rev.5.00, Sep.11.2003, page 38 of 161