HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 253

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

I3 to I0: Interrupt mask bits in status register (SR)
No
Set interrupt cause in
Branch to exception
Save SR to SSR;
save PC to SPC
Standby mode?
bits in SR to1
Yes
Set BL/RB
INTEVT2
handler
NMI?
Yes
No
Figure 8.2 Interrupt Operation Flowchart
No
IRQ?
NMI?
Yes
Yes
No
No
Yes
or sleep mode?
execution state
I3 to I0 level
generated?
14or lower?
No
SR.BL=0
Program
interrupt?
Interrupt
Level 15
Yes
Yes
Yes
No
Yes
13 or lower?
I3 to I0 level
No
interrupt?
Level 14
Rev. 1.00, 02/04, page 215 of 804
Yes
No
Yes
No
interrupt?
level 0?
I3 to I0
Level 1
Yes
No
No