Motorola MVME172 User Manual
Page 81
Introduction
http://www.mcg.mot.com/literature
2-3
2
❏
VMEbus Interrupter:
– Software-configured IRQ1-IRQ7 interrupt request level.
– 8-bit software-programmed status/ID register.
❏
VMEbus System Controller:
– Arbiter with software-configured arbitration modes:
Priority (PRI),
Round-Robin-Select (RRS), and
Single-level (SGL).
– Programmable arbitration timer.
– IACK daisy-chain driver.
– Programmable bus timer.
– SYSRESET logic.
❏
Global Control Status Register Set:
– Four location monitors.
– Global control of locally detected failures.
– Global control of local reset.
– Four global attention interrupt bits.
– A chip ID and revision register.
– Four 16-bit dual-ported general purpose registers.
❏
Interrupt Handler:
– All interrupts are level-programmable.
– All interrupts are maskable.
– All interrupts provide a unique vector.
– Software and external interrupts.
❏
Watchdog timer.
❏
Two 32-bit tick timers.