HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 141

• Manufacturer Part Number: HD6417144
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

F: Instruction fetch (instruction fetched from memory where program is stored).
D: Instruction decoding (fetched instruction is decoded).
E: Instruction execution (data operation and address calculation is performed according to the results
M: Memory access (data in memory is accessed).
of decoding).
Figure 6.5 Example of Pipeline Operation when IRQ Interrupt Is Accepted
Instruction (instruction
replaced by interrupt
exception processing)
Overrun fetch
Interrupt service routine
start instruction
IRQ
1
Interrupt acceptance
3
F
D
F
E
3
5 + m1 + m2 + m3
E
Rev.4.00 Mar. 27, 2008 Page 97 of 882
m1 m2 1 m3 1
M M
E
6. Interrupt Controller (INTC)
M
E
E
F
REJ09B0108-0400
D
E