Renesas SH7709S Manual Do Utilizador

Rev. 5.00, 09/03, page 148 of 760

Interrupt

acceptance

IRL

0.5 

× Icyc 

+ 0.5 

× Bcyc

+ 2 

× Pcyc

Instruction (instruction 
replaced by interrupt 
exception handling)

IF

ID

EX

EX

EX

EX

IF

IF

ID

EX

5 

× Icyc

Start of interrupt

handling

IF:   Instruction fetch:  Instruction is fetched from memory in which program is stored.
ID:   Instruction decode:  Fetched instruction is decoded.
EX:   Instruction execution:  Data operation and address calculation are performed.

Overrun fetch

First instruction of interrupt 
handler