C
ONFIGURE
& I
NSTALL
B
OARD
2-6
P
C
X
L
o
ca
te
S
w
it
ch
es
PCX
Locate Switches
Figure 2-2
PCX Address and IRQ Switch Locations
Set Base I/O Address
Use the SW1 dipswitch on each controller to set the base I/O address.
Set the Interrupts
The DSP Series controllers can generate interrupts to the host CPU. SW2 connects the control-
ler’s interrupt circuitry to one of the host CPU’s IRQ lines.
To use one of the IRQ lines, you must configure switch SW2. Configure switch SW2 for the
interrupt, (IRQ2, IRQ3, ...) that you want the PCX to use.
Table 2-3
Base Address Switch SW1
Address
8
7
6
5
4
3
2
1
240
on
on
OFF
on
on
OFF
on
on
250
on
on
OFF
on
on
OFF
on
OFF
260
on
on
OFF
on
on
OFF
OFF on
on = low
270
on
on
OFF
on
on
OFF
OFF OFF
OFF = high
300
on
on
OFF
OFF
on
on
on
on
Default
310
on
on
OFF
OFF
on
on
on
OFF
320
on
on
OFF
OFF
on
on
OFF on
330
on
on
OFF
OFF
on
on
OFF OFF
340
on
on
OFF
OFF
on
OFF
on
on
350
on
on
OFF
OFF
on
OFF
on
OFF
360
on
on
OFF
OFF
on
OFF
OFF on
370
on
on
OFF
OFF
on
OFF
OFF OFF
ON
ON
Base I/O Address
Interrupts IRQ Select
PCX
PCX S
WITCHES
SW 2
SW 1
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