Interrupt Switches - Renesas M3A-HS49 User Manual

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2.7 Interrupt Switches

In the M3A-HS49, the switch is connected with the IRQ0 (PB2) pin, MRES pin and NMI pin of the SH7149.
LED to confirm that the switch has been pushed is connected to the NMI switch and IRQ0 switch.
Figure2.7.1 shows the interrupt block diagram in the M3A-HS49.
SW5
NMI switch
SW6
ＩＲＱ0 switch
SW7
MRES switch
Rev.1.0 Dec 15, 2006
REJ10J0917-0100
VCC
LED8 ; LED for interrupt confirmation
VCC
RED Yellowgreen
VCC
VCC
Figure2.7.1 Interrupt Block Diagram
Functional Overview
2.7 Interrupt Switches
SH7149
NMI
IRQ0(PB2)
MRES(PE13)
2-9