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The table below shows the address bus width and maximum system memory for various processors. 32 bit address bus and 4 GB maximum addressability are by far the most common, and since it hasn't been a limiting factor in the vast majority of cases, there hasn't been a great impetus to widen the address space.
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www.pcguide.com/ref/cpu/arch/extAddressSize-c.html
www.pcguide.com/ref/cpu/arch/extAddressSize-c.html
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The address bus is the set of wire traces that is used to identify which address in memory the CPU is accessing.
http://www.tech-faq.com/address-bus.shtml
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The data bus on an 80x86 family processor transfers information between a particular memory location or I/O device and the CPU. The only question is, "Which memory location or I/O device? " The address bus answers that question.
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webster.cs.ucr.edu/AoA/Windows/HTML/SystemOrganization....
webster.cs.ucr.edu/AoA/Windows/HTML/SystemOrganization.html
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CPU address/data bus 16 bit data 26 bit address; Ethernet; Physical layer and interface; MII; Expansion; Connector; Bus; SPI Serial; Data Flash; 16Mb (2Mx8); SPI; USB port; 2x Serial ports; FPGA; Configuration (PIO);
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address bus processor; The connections between the CPU and memory which carry the address from/to which the CPU wishes to read or write. The number of bits of address bus determines the maximum size of memory which the processor can access.
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dictionary.reference.com/browse/address+bus
dictionary.reference.com/browse/address+bus
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A collection of wires connecting the CPU with main memory that is used to identify particular locations (addresses) in main memory. The width of the address bus (that is, the number of wires) determines how many unique memory locations can be addressed.
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webopedia.internet.com/TERM/a/address_bus.html
webopedia.internet.com/TERM/a/address_bus.html
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Address bus is an internal channel from the CPU to memory across which the addresses of data are transmitted. The number of lines or wires in the address bus determines the amount of memory that can be directly addressed as each line carries one bit of the address. ... For example, if the address bus contains electrical lines,
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www.javvin.com/hardware/AddressBus.html
www.javvin.com/hardware/AddressBus.html
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Complete information about the Computer bus. ... Reference Issue / Question ... Bus Dictionary definition and related links on a computer bus.
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www.computerhope.com/help/bus.htm
www.computerhope.com/help/bus.htm
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SDRAM Controller CPU Bus Interface Address Decode Unit Read / Write Buffers ROM / Flash Controller ... CPU Address Bus; SDRAM Controller CPU Bus Interface Address Decode Unit Read / Write Buffers ROM / Flash Controller; Bus Interface Unit; Am5x86® CPU; CPU Data Bus; AMDebug Technology and JTAG; CPU Control / Status Bus;
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www.datasheetarchive.com/datasheet-pdf/019/DSA00339176....
www.datasheetarchive.com/datasheet-pdf/019/DSA00339176.html
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