Chapter 4: The Instruction Set Architecture - 10/31/2013 02:13:31 ...
Chapter 4: The Instruction Set Architecture - 10/31/2013 02:13:31 ...
Chapter 4: The Instruction Set Architecture - 10/31/2013 02:13:31 ...
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4-<strong>10</strong><br />
An Example<br />
From Data<br />
Bus<br />
Datapath<br />
Register<br />
Source 1<br />
(rs1)<br />
<strong>Chapter</strong> 4: <strong>The</strong> <strong>Instruction</strong> <strong>Set</strong> <strong>Architecture</strong><br />
Register<br />
Source 2<br />
(rs2)<br />
Register<br />
File<br />
Control Unit selects<br />
registers and ALU<br />
function<br />
To Address<br />
Bus<br />
ALU<br />
To Data<br />
Bus<br />
Status to Control<br />
Unit<br />
Register Destination (rd)<br />
• <strong>The</strong> ARC datapath is made up of a collection of registers known<br />
as the register file and the arithmetic and logic unit (ALU).<br />
Principles of Computer <strong>Architecture</strong> by M. Murdocca and V. Heuring<br />
© 1999 M. Murdocca and V. Heuring
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