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ELANSC520 Datasheet(PDF) 75 Page - Advanced Micro Devices

Part # ELANSC520
Description  Microcontroller
PDF  440 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

ELANSC520 Datasheet(HTML) 75 Page - Advanced Micro Devices

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PCI Bus Host Bridge Registers
Élan™SC520 Microcontroller Register Set Manual
6-11
For a host bridge NMI to propagate to the CPU, host bridge NMIs must be enabled via the PCI_NMI_ENB bit in the
PCIHOSTMAP register (see page 12-17), and NMIs must be enabled via the NMI_ENB bit in the PICICR register
(see page 12-4).
Before host bridge interrupts are enabled, the PCIHOSTMAP register (see page 12-17) must be configured to route
the interrupt to the appropriate interrupt request level and priority.
The interrupt enabled via the GNT_TO_INT_ENB bit in the SYSARBCTL register (see page 5-2) shares the interrupt
controller input used by host bridge interrupts.



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