Functional Description
http://www.mcg.mot.com/literature 4-3
4
❏ PCI Bus Interface
❏ Interrupter and Interrupt Handler
❏ DMA Controller
These sections describe the operation of the Universe II in terms of the
different modules and channels illustrated in Figure 4-1.
Figure 4-1. Architectural Diagram for the Universe II
VME
Slave
VME
Master
VME
Interrupts
posted writes FIFO
coupled read logic
DMA bidirectional FIFO
Interrupt Handler
Interrupter
Register Channel
VMEbus Slave Channel
posted writes FIFO
prefetch read FIFO
coupled read
PCI Bus Slave Channel
Interrupt Channel
PCI
Master
PCI
Slave
PCI
Interrupts
VMEbus
PCI
BUS
PCI Bus
Interface
VMEbus
Interface
DMA Channel
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