H838532H datasheet(81/508 Pages) RENESAS

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H838532H 데이터시트(PDF) 81 Page - Renesas Technology Corp

부품명	H838532H

상세설명	16-Bit Single-Chip Microcomputer H8 Family / H8/300H Super Low Power Series

PDF	508 Pages

Scroll/Zoom	100%

제조업체	RENESAS [Renesas Technology Corp]

홈페이지	http://www.renesas.com

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81 / 508 page

Section 3 Exception Handling

Rev. 1.00 May 30, 2008 Page 61 of 484

REJ09B0436-0100

3.3

Interrupts

3.3.1

Overview

The interrupt sources include 13 external interrupts (IRQ

4 to IRQ0, WKP7 to WKP0) and 23 internal

interrupts from on-chip peripheral modules. Table 3.2 shows the interrupt sources, their priorities,

and their vector addresses. When more than one interrupt is requested, the interrupt with the

highest priority is processed.

The interrupts have the following features:

• Internal and external interrupts can be masked by the I bit in CCR. When the I bit is set to 1,

interrupt request flags can be set but the interrupts are not accepted.

• IRQ

4 to IRQ0 and WKP7 to WKP0 can be set to either rising edge sensing or falling edge

sensing.

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