The PCM-A/D uses four con secu tive I/O ad dresses with the base ad dress de ter mined by
the set ting of the jump ers on J8. Each po si tion on the J8 jumper cor re sponds to an ad dress
bit. A jumper in stalled matches a '0' in the ad dress and a jumper left open matches a '1' in
the ad dress. The il lus tra tion be low shows the re la tion ship be tween jumper po si tions and
ad dress bits and also shows the cor rect jump er ing for a base I/O ad dress of 110H.
2.3
Interrupt Routing
The end of con ver sion in ter rupt may be routed to any un used PC/104 in ter rupt line us -
ing the jumper block at J9. The il lus tra tion be low shows the re la tion ship be tween the
jumper po si tion and the in ter rupt se lected. A sam ple jump er ing for IRQ5 is also shown.
Page 2-2
PCM-A/D-12/16 OPERATIONS MANUAL
970513
WinSystems - "The Embedded Systems Authority"
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A9
A8
A7
A6
A5
A4
A3
A2
J8
BASE I/O ADDRESS 110H
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IRQ15
IRQ14
IRQ12
IRQ11
IRQ10
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
IRQ2
J9
INTERRUPT ROUTING - IRQ5