Xycom XVME-240 Manual page 52

XVME-240 Manual
October, 1984
The module status/control register (found at module base address + 81H) on intelligent
XVME I/O modules provides the current status of the module self-test in conjunction
with the current status of the front panel LEDs.
modules is a "Read Only" register and it can be read by software to determine if the
board is operating properly.
On non-intelligent XVME I/O modules, the status/control register is used to indicate
the state of the front panel
The LED status bits are
indicators to accomodate
Read/Write location which must be written to in order to enable module-generated
interrupts. The Interrupt Pending bit is a "Read Only" bit which indicates a module-
generated pending interrupt.
and to set and verify module generated interrupts.
LEDs,
"Read/Write" locations which provide the user with the
diagnostic software.
A-7
The status register on intelligent
The Interrupt Enable bit is also a