Local Resources
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the SCSI bus TERM power line and termination resistors is supplied
through a fuse located on the adapter board.
Local Resources
The MVME167P includes many resources for the local processor. These
include tick timers, software-programmable hardware interrupts, a
watchdog timer, and a local bus timeout.
Programmable Tick Timers
Four 32-bit programmable tick timers with 1ms resolution are available:
two in the VMEchip2 ASIC and two in the PCCchip2 ASIC. The tick
timers may be programmed to generate periodic interrupts to the processor.
Refer to the VMEchip2 and PCCchip2 descriptions in the Programmer’s
Reference Guide for detailed programming information.
Watchdog Timer
A watchdog timer function is provided in the VMEchip2 ASIC. When the
watchdog timer is enabled, it must be reset by software within the
programmed interval or it times out. The watchdog timer can be
programmed to generate a SYSRESET signal, a local reset signal, or a
board fail signal if it times out.
Refer to the VMEchip2 description in the Programmer’s Reference Guide
for detailed programming information.
Software-Programmable Hardware Interrupts
The VMEchip2 ASIC supplies eight software-programmable hardware
interrupts. These interrupts allow software to create a hardware interrupt.
Refer to the VMEchip2 description in the Programmer’s Reference Guide
for detailed programming information.
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