H8SLASH300H datasheet(79/552 Pages) RENESAS

Part #	H8/300H

Description	Renesas 16-Bit Single-Chip Microcomputer

PDF	552 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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79 / 552 page

Section 3 Exception Handling

Rev. 3.00 May 15, 2007 Page 47 of 516

REJ09B0152-0300

3.4.1

Interrupt Edge Select Register (IEGR)

IEGR selects whether interrupt requests of the

NMI, ADTRG, IRQ1, and IRQ0 pins are generated

at the rising edge or falling edge.

Bit

Bit Name

Initial

Value

R/W

Descriptions

NMIEG

R/W

NMI Edge Select

0: Detects a falling edge of the

NMI pin input

1: Detects a rising edge of the

NMI pin input



Reserved

This bit is always read as 0.

ADTRGNEG 0

R/W

ADTRG Edge Select

0: Detects a falling edge of the

ADTRG pin input

1: Detects a rising edge of the

ADTRG pin input

4 to 2



All 0



Reserved

The write value should always be 0.

IEG1

R/W

IRQ1 Edge Select

0: Detects a falling edge of the

IRQ1 pin input

1: Detects a rising edge of the

IRQ1 pin input

IEG0

R/W

IRQ0 Edge Select

0: Detects a falling edge of the

IRQ0 pin input

1: Detects a rising edge of the

IRQ0 pin input

H8/300H Datasheet(PDF) 79 Page - Renesas Technology Corp

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