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9 interrupt switches, Functional overview – Renesas SuperH M3A-HS86 User Manual

Page 34

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Functional Overview

2.9 Interrupt Switches

Rev.1.0 Feb 06. 2007

2-16

REJ10J0916-0100

2

2.9 Interrupt Switches

In the M3A-HS86, the switch is connected with the PA5/IRQ1 pin and NMI pin of the SH7086. LED to confirm that

the switch has been pushed is connected. In addition, MRES switch can be mounted on PE13/MRES

_____________

pin.

However, it cannot be mounted when E10A-USB is used because MRES

_____________

pin is multiplexed with the signal

ASEBRKAK

___________________

/ASEBRK

______________

.

Figure2.9.1 shows the interrupt block diagram in the M3A-HS86.

IRQ1(PA5)

NMI

SW5

SH7086

RED

VCC

SW6

VCC

NMI Switch

IRQ1 Switch

VCC

Yellowgreen

LED9

VCC

SW7

MRES Switch

PE13/MRES/ASEBRKAK/ASEBRK

: Not mounted

Figure2.9.1 Interrupt Block Diagram