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address generation unit (AGU)

An Address Generation Unit (AGU) is a component in microprocessors that calculates the actual memory address

. The AGU address is used to address the operands for an operation in memory

. TheAddress Generation Unit operates independently of other microprocessor units.

The AGU unit is divided into two parts, each of which is a separate but identical Address Arithmetic Logic Unit (Address ALU). Each AGU unit consists of a full adder and an offset adder that can perform addition and subtraction.

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Englisch: address generation unit - AGU
Updated at: 08.12.2011
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