H838024R datasheet(127/697 Pages) RENESAS

Part #	H838024R

Description	Renesas 8-Bit Single-Chip Microcomputer Super Low Power Series

PDF	697 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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Section 3 Exception Handling

Rev. 7.00 Mar 10, 2005 page 85 of 652

REJ09B0042-0700

Bit 7—Timer A Interrupt Request Flag (IRRTA)

Bit 7

IRRTA

Description

Clearing conditions:

(initial value)

When IRRTA = 1, it is cleared by writing 0

Setting conditions:

When the timer A counter value overflows

Bit 6—Reserved

Bit 6 is reserved; it can only be written with 0.

Bit 5—Reserved

Bit 5 is reserved; it is always read as 1 and cannot be modified.

Bits 4 and 3—IRQ4 and IRQ3 Interrupt Request Flags (IRRI4 and IRRI3)

Bit n

IRRIn

Description

Clearing conditions:

(initial value)

When IRRIn = 1, it is cleared by writing 0

Setting conditions:

When pin

IRQn is designated for interrupt input and the designated signal edge is

input

(n = 4 or 3)

Bit 2—IRQAEC Interrupt Request Flag (IRREC2)

Bit 2

IRREC2

Description

Clearing conditions:

(initial value)

When IRREC2 = 1, it is cleared by writing 0

Setting conditions:

When pin IRQAEC is designated for interrupt input and the designated signal edge is

input

H838024R Datasheet(PDF) 127 Page - Renesas Technology Corp