H83065 datasheet(78/963 Pages) RENESAS

Part #	H83065

Description	Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

PDF	963 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 2 CPU

Rev. 4.00 Jan 26, 2006 page 56 of 938

REJ09B0276-0400

Exception

sources

Reset

Interrupt

Trap instruction

External interrupts

Internal interrupts (from on-chip supporting modules)

Figure 2.12 Classification of Exception Sources

Bus-released state

Exception-handling state

Reset state*1

Program execution state

Sleep mode

Software standby mode

Hardware standby mode*2

Power-down state

Bus request

End of bus release

End of bus

release

Bus

request

End of

exception

handling

Exception

handling source

Interrupt source

SLEEP

instruction

with SSBY = 0

SLEEP instruction

with SSBY = 1

NMI, IRQ , IRQ ,

or IRQ interrupt

STBY="High", RES ="Low"

RES = "High"

Notes: 1.

From any state except hardware standby mode, a transition to the reset state occurs

whenever

goes low.

From any state, a transition to hardware standby mode occurs when

goes low.

RES

STBY

Figure 2.13 State Transitions

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