DatasheetsPDF.com

S21152

Intel
Part Number S21152
Manufacturer Intel
Description PCI to PCI Bridge
Published Feb 15, 2006
Detailed Description w w w .D a S a t . U 21152 4 PCI-to-PCI Bridge t e Datasheet e h Product Features ■ ■ m o c ■ ■ ■ ■ ■ ■ ■ Co...
Datasheet PDF File S21152 PDF File

S21152
S21152

Overview
w w w .
D a S a t .
U 21152 4 PCI-to-PCI Bridge t e Datasheet e h Product Features ■ ■ m o c ■ ■ ■ ■ ■ ■ ■ Complies fully with Revision 2.
1 of the PCI Local Bus Specification, Complies fully with Revision 1.
1 of the PCI-to-PCI Bridge Architecture Specification, Complies fully with the Advanced Configuration Power Interface (ACPI) Specification Complies fully with the PCI Power Management Specification, Revision 1.
01 Implements delayed transactions for all PCI configuration, I/O, and memory read commands—up to three transactions simultaneously in each direction Allows 88 bytes of buffering (data and address) for posted memory write commands in each direction—up to three transactions simultaneously in each direction Allows 72 bytes of read data buffering in each direction Provides concurrent primary and secondary bus operation to isolate traffic Provides five secondary clock outputs — Low skew, permitting direct drive of option slots — Individual clock control through configuration space ■ ■ 1.
21152–AB and later revisions only.
The 21152–AA does not implement this feature.
w w w .
D t a S a e h ■ ■ ■ 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 — VGA addressing and VGA palette snooping support Supports PCI transaction forwarding for the following commands — All I/O and memory commands — Type 1 to Type 1 configuration commands — Type 1 to Type 0 configuration commands (downstream only) — All Type 1 to special cycle configuration commands Includes downstream lock support Supports both 5 V and 3.
3 V signaling environments t e U 4 .
c m o Order Number: 278060, Revision: 002US April 2005 w w w .
D at h S a ...


Similar Datasheet


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site. (Privacy Policy & Contact)