10-1
PC-510 user’s manual
IRQ routing and opto IRQs
Chapter 10:
IRQ routing and opto IRQs
≡
Interrupt routing
The PC-510 provides a flexible method of enabling, disabling, and
routing system interrupts via an “in system” programmable logic device.
The logic device not only reduces the number of physical jumpers, but it
also reduces the possibility of choosing the incorrect jumper configura-
tion. For example, upon configuration the electronic jumpers remain set
until they are reprogrammed for a different configuration.
This device also allows some of the PC/104 bus interrupts and some of
the on-board generated interrupts to be routed to other IRQs of the
programmable interrupt controller. This routing matrix requires the
user to run the SETIRQ utility program to update the routing matrix
with the desired IRQ routes.
In addition to IRQ routing, the I/O range select A and select B bits can
be set so that the base addresses in COM5 and COM6, EZ I/O 1 and
EZ I/O 2, and COM3 through COM6 IRQ status registers can be moved
to different locations. These can also be read at I/O address 0A9h bits 4
and 5.
See also the SETIRQ.DOC file in the \IRQ directory on the PC-510
utility disk for more information. The utility disk contains several ISP
files to program into the matrix. If these are not sufficient, call
Octagon’s Technical Support at 303-426-4521 for new ISP files that may
have become available.
Note
If an output is not routed as a signal, then the output or destination is
neither driven high nor low, but is in a high impedance mode.
Note
When you program a new IRQ routing matrix, the printer port must be
set to bi-directional mode. Also, any field devices connected to the
printer port must be disconnected.
Содержание PC-510
Страница 2: ...O C T A G O N S Y S T E M S Embedded PCs For Extreme Environments PC 510 User s Manual 5171 0505 ...
Страница 7: ...Notice to user PC 510 user s manual ...
Страница 17: ...xii Contents PC 510 user s manual ...
Страница 23: ...About this manual PC 510 user s manual ...
Страница 25: ...Overview of Section 1 PC 510 user s manual ...
Страница 35: ...2 2 Quick start PC 510 user s manual Figure 2 1 PC 510 component diagram ...
Страница 36: ...2 3 PC 510 user s manual Quick start Figure 2 2 PC 510 center to center hole dimensions 331 2 858 ...
Страница 45: ...2 12 Quick start PC 510 user s manual ...
Страница 55: ...3 10 SETUP programs PC 510 user s manual ...
Страница 59: ...4 4 Save and run programs PC 510 user s manual ...
Страница 61: ...Overview of Section 2 PC 510 user s manual ...
Страница 73: ...5 12 Serial ports PC 510 user s manual ...
Страница 77: ...6 4 LPT1 parallel port PC 510 user s manual ...
Страница 83: ...7 6 Console devices PC 510 user s manual ...
Страница 119: ...13 8 CRTs and flat panels PC 510 user s manual ...
Страница 123: ...14 4 GPS interface PC 510 user s manual ...
Страница 125: ...15 2 PC 104 expansion PC 510 user s manual ...
Страница 127: ...Overview of Section 3 PC 510 user s manual ...
Страница 131: ...16 4 Watchdog timer and hardware reset PC 510 user s manual ...
Страница 147: ...18 8 Transferring files remote disks PC 510 user s manual ...
Страница 177: ...21 22 CPU power management PC 510 user s manual ...
Страница 181: ...22 4 Troubleshooting PC 510 user s manual ...
Страница 183: ...Overview of Section 4 PC 510 user s manual ...
Страница 203: ...A 20 Technical data PC 510 user s manual ...
Страница 231: ...B 28 Software utilities PC 510 user s manual ...