H8SLASH3028F datasheet(789/923 Pages) RENESAS

Part #	H8/3028F

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

PDF	923 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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789 / 923 page

Rev. 2.00, 09/03, page 759 of 890

IER—IRQ Enable Register

H'EE015

Interrupt Controller

Bit

Initial value

Read/Write

R/W

—

R/W

—

R/W

IRQ5E

R/W

IRQ4E

R/W

IRQ3E

R/W

IRQ2E

R/W

IRQ1E

R/W

IRQ0E

IRQ5 to IRQ0 enable

IRQ5 to IRQ0 interrupts are disabled

IRQ5 to IRQ0 interrupts are enabled

ISR—IRQ Status Register

H'EE016

Interrupt Controller

Bit

Initial value

Read/Write

—

R/(W)

IRQ5F

R/(W)

IRQ4F

R/(W)

IRQ3F

R/(W)

IRQ2F

R/(W)

IRQ1F

R/(W)

IRQ0F

IRQ5 to IRQ0 flags

Note:

* Only 0 can be written, to clear the flag.

Bits 5 to 0

IRQ5F to IRQ0F

Setting and Clearing Conditions

(n = 5 to 0)

[Clearing conditions]

• Read IRQnF when IRQnF = 1, then write 0 in IRQnF.

• IRQnSC = 0,

IRQn input is high, and interrupt exception

handling is being carried out.

• IRQnSC = 1 and IRQn interrupt exception handling is being

carried out.

[Setting conditions]

• IRQnSC = 0 and

IRQn input is low.

• IRQnSC = 1 and

IRQn input changes from high to low.

H8/3028F Datasheet(PDF) 789 Page - Renesas Technology Corp

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