Xycom XVME 590 Manual page 26

XVME-500/590 Manual
February, 1988
Supervisor/Non-Privileged Mode Selection
The XVME-500/590 can be configured to respond only to Supervisory accesses, OR
to both Supervisory and Non-Privileged accesses.
removal of jumper J13. Table 2-3 shows access options controlled by J13.
Jumper J13
Installed
Removed
2.5.3 VMEbus Interrupt Options
Three interrupt jumpers (JI0, Jll, 512) select which VMEbus interrupt level is to be
used by the module. The input module can be programmed to generate an interrupt
at the completion of a conversion.
interrupt. Interrupt-level jumper options are defined in Table 2-4.
In order to enable interrupts, a bit in the Status/Control register must be set (See
programming chapter Section 3.3.1).
acknowledge (IACK*) cycle.
conversion register, or a command to start another conversion, will reset the
interrupt bit. Interrupts are also reset during a power-up sequence or when a
software reset is issued (See Table 2-4).
Jumpers
Jl0 J l l
0 0
0
0
1
0
1
0
1 0
1 0
1 1
1 1
NOTE: IN = LOGIC 0; OUT = LOGIC 1
Table 2-3. Access Options
Access Mode Selection
Supervisory Only
Supervisory or Non-Privileged
(Jl0, Jll, 512)
These jumpers determine the level of that
Interrupt reset occurs during the interrupt-
A read from the lower byte of the analog-to-digital
Table 2-4. Interrupt Level Jumpers
J12
VMEbus Interrupt Level
0 Interrupts Disabled
1
0
1
0
1
0
1
2-10
(J13)
The key is the installation or
Address Modifier Code
2DH
2DH or 29H
1
2
3
4
5
6
7