S21152BB Description
U 21152 4 PCI-to-PCI Bridge t e Datasheet e h Product.
S21152BB Key Features
- plies fully with Revision 2.1 of the PCI Local Bus Specification, plies fully with Revision 1.1 of the PCI-to-PCI Bridge
- Low skew, permitting direct drive of option slots
- Individual clock control through configuration space
- Provides arbitration support for four secondary bus devices
- A programmable 2-level arbiter
- Hardware disable control, permitting use of an external arbiter Provides enhanced address decoding
- A 32-bit I/O address range
- A 32-bit memory-mapped I/O address range
- A 64-bit prefetchable memory address range
- ISA-aware mode for legacy support in the first 64 KB of I/O address range