HD6417606 RENESAS [Renesas Technology Corp], HD6417606 Datasheet - Page 130

• Manufacturer Part Number: HD6417606
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 6 Interrupt Controller (INTC)
6.6.2
Figure 6.4 shows the stack after interrupt exception handling.
6.7
Table 6.3 lists the interrupt response time, which is the time from the occurrence of an interrupt
request until the interrupt exception handling starts and fetching of the first instruction of the
interrupt handling routine begins. Figure 6.5 shows an example of the pipeline operation when an
IRQ interrupt is accepted.
Rev. 4.00 Sep. 13, 2007 Page 104 of 502
REJ09B0239-0400
Notes: 1. PC is the start address of the next instruction (instruction at the return address) after the executed
2. Always make sure that SP is a multiple of 4
Stack after Interrupt Exception Handling
Interrupt Response Time
instruction.
Figure 6.4 Stack after Interrupt Exception Handling
Address
4n – 8
4n – 4
4n
PC
SR
*1
32 bits
32 bits
SP
*2