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Peripheral Component Interconnect

   Also found in: Acronyms, Wikipedia 0.03 sec.

Peripheral Component Interconnect

See PCI.

(hardware)Peripheral Component Interconnect - (PCI) A standard for connecting peripherals to a personal computer, designed by Intel and released around Autumn 1993. PCI is supported by most major manufacturers including Apple Computer. It is technically far superior to VESA's local bus. It runs at 20 - 33 MHz and carries 32 bits at a time over a 124-pin connector or 64 bits over a 188-pin connector. An address is sent in one cycle followed by one word of data (or several in burst mode).

PCI is used in systems based on Pentium, Pentium Pro, AMD 5x86, AMD K5 and AMD K6 processors, in some DEC Alpha and PowerPC systems, and probably Cyrix 586 and Cyrix 686 systems. However, it is processor independent and so can work with other processor architectures as well.

Technically, PCI is not a bus but a bridge or mezzanine. It includes buffers to decouple the CPU from relatively slow peripherals and allow them to operate asynchronously.
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0 w/ phy integration, the MPC8313E provides a 32-bit double data rate (DDR1/DDR2) memory controller running up to 333 MHz, a 32-bit peripheral component interconnect (PCI) controller, a 16-bit local bus and four direct memory access (DMA) channels.
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The new products include two residential gateways that combine an ADSL modem with an integrated local area network (LAN) router, a peripheral component interconnect (PCI) internal ADSL modem and a universal serial bus (USB) external ADSL modem for Windows computers.
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It is fully software-compatible with legacy Peripheral Component Interconnect (PCI), PCI-X and PCI Express technologies.
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