Appendix A
Specifications
A-4
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PRI, RRS
Prioritized or Round Robin Select arbiter
ROR, RWD, FAIR
Release on Request, Release When Done, and FAIR bus requester
IH(7–1)
Interrupt handler for levels 7–1
I(7–1)
Interrupt requester for levels 7–1
D32, D16, D08(O) (Interrupt Handler)
VMEbus D32, D16, D08(O) interrupt handler
D32, D16, D08(O) (Interrupter)
VMEbus D32, D16, D08(O) interrupter
ROAK, RORA
Release on Acknowledge or Register Access interrupter
BTO(
x
)
VMEbus bus timer (programmable limit)
LOCK
Can lock the VMEbus for indivisible transfers