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PI7C8152A ENHANCED 2-PORT PCI-to-PCI BRIDGE INTEL 21152 COMPARISON PERICOM SEMICONDUCTOR Revision 1.1 – JUNE 2004 Page 1 of 3 FEATURE COMPARISON: PI7C8152A vs. INTEL 21152 Features: Feature Pericom PI7C8152A Intel 21152 Interfaces ! Complies with the following specifications: PCI Local Bus Specification PCI-to-PCI Bridge Specification PCI Bus Power Management Interface Specification ! 3.3V and 5V signaling environments ! Concurrent primary and secondary bus operations ! 66MHz support Revision 2.2 Revision 1.1 Revision 1.0 yes yes yes Revision 2.2 Revision 1.1 Revision 1.0 yes yes no Memory Buffer Architecture ! Dynamic Prefetching Control ! Posted memory write commands in each direction ! Read data buffer in each direction yes 128 bytes 256 bytes no 88 bytes 72 bytes Bus Arbitration ! Programmable internal arbiter for the secondary bus with support for up to 4 external masters ! Disable control for use of an external arbiter yes yes yes yes IEEE 1149.1 JTAG port ! Available boundary scan testing no no Packaging ! 160-pin QFP ! Extended commercial temp range: 0°C to 85°C yes yes yes no (0°C to 70°C) Pin differences (160-pin QFP): pin number Pericom PI7C8152A Intel 21152 62 SCAN_EN NAND_OUT 63 SCAN_TM_L GOZ_L Register differences: Pericom PI7C8152A Intel 21152 Vendor ID 12D8h 1011h Device ID 8152h 0024h |
