SH7018 datasheet(88/431 Pages) RENESAS

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SH7018 Datasheet(PDF) 88 Page - Renesas Technology Corp

Part #	SH7018

Description	SuperH??RISC engine

PDF	431 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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88 / 431 page

6.4.2

Stack after Interrupt Exception Processing

Figure 6.4 shows the stack after interrupt exception processing.

32 bits

PC*1

Address

4n–8

4n–4

SP*2

Notes: 1.

PC: Start address of the next instruction (return destination instruction)

after the executing instruction

Always be certain that SP is a multiple of 4

Figure 6.4 Stack after Interrupt Exception Processing

6.5

Interrupt Response Time

Table 6.5 indicates the interrupt response time, which is the time from the occurrence of an

interrupt request until the interrupt exception processing starts and fetching of the first instruction

of the interrupt service routine begins. Figure 6.5 shows the pipeline when an IRQ interrupt is

accepted.

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