Impulse PIO-48.PC104 (3701) User Manual
Page 16
© Sealevel Systems, Inc.
- 14 -
PIO-48.PC104 User Manual
Interrupt Control
When enabled interrupts are generated on port bit A0 of each port (pin 47 on each
50 pin header), the port A0 must be set as an input.
X = port number
IRQENX
interrupt enable
1 = enabled
0 = disabled ( 0 on power up )
IRQCX0
IRQCX1
Interrupt mode select see table
Interrupt mode select see table
Interrupt mode select table
IRQCn1 IRQCn0 INT
Type
0 0
Low
level
0 1
High
level
1 0
Falling
edge
1 1
Rising
edge
Interrupt Read
Reading the INTSTAT port (Base+5) clears any interrupt pending.
IRQST1
(D0) Interrupt status
1 = interrupt pending, 0 = none
IRQST2
(D4) Interrupt status
1 = interrupt pending, 0 = none
See also other documents in the category Impulse Hardware:
- PCW-5181 (120 pages)
- PCM-4373 (2 pages)
- EPIC-5536 (2 pages)
- EPIC-CV07 (2 pages)
- EPIC-QM57 (2 pages)
- EPIC-QM77 (2 pages)
- VSX-6118-V2 (1 page)
- VSX-6116-V2 (1 page)
- VSX-6115-V2 (1 page)
- VSX-6114-V2 (1 page)
- VDX-6318RD (1 page)
- VDX-6316RD (1 page)
- VDX-6315RD (1 page)
- VDX-6314RD (1 page)
- PCM-5895 Rev. A (2 pages)
- PCM-8120 (2 pages)
- PCM-9562 (3 pages)
- VSX-6127-V2 (1 page)
- PCM-9375 (3 pages)
- GENE-5315W1 Rev. B (2 pages)
- GENE-5315 Rev. A (2 pages)
- VDX-6327RD (1 page)
- VDX-6328RD (1 page)
- VDX-6329RD (1 page)
- VDX-6326RD (1 page)
- PCM-9343 (3 pages)
- GENE-9655 (2 pages)
- PCM-9362 (2 pages)
- GENE-LN05W2 Rev. B (2 pages)
- PCM-9363 (3 pages)
- GENE-TC05W2 (2 pages)
- GENE-CV05W2 (2 pages)
- SBC-210 (1 page)
- GENE-QM57 (2 pages)
- GENE-QM67 (2 pages)
- GENE-QM77 Rev B (2 pages)
- GENE-QM77 Rev A (2 pages)
- GENE-QM87 (1 page)
- EL630-NR (2 pages)
- EL620-C (2 pages)
- SB601-C (2 pages)
- SB600-C (2 pages)
- SB630-CRM (2 pages)
- CL630-CRM (2 pages)
- DL631-C226 (2 pages)