Hardware/Software Introduction Chapter 1 Introduction
Embedded Systems Design: A Unified Hardware/Software ... - EET
Embedded Systems Design: A Unified Hardware/Software ... - EET
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Cores<br />
• Soft core<br />
– Synthesizable behavioral<br />
description<br />
– Typically written in HDL<br />
(VHDL/Verilog)<br />
• Firm core<br />
– Structural description<br />
– Typically provided in HDL<br />
• Hard core<br />
– Physical description<br />
– Provided in variety of physical<br />
layout file formats<br />
Processors, memories<br />
Structural<br />
Registers, FUs, MUXs<br />
Gates, flip-flops<br />
Transistors<br />
Gajski’s Y-chart<br />
Physical<br />
Behavior<br />
Sequential programs<br />
Register transfers<br />
Logic equations/FSM<br />
Transfer functions<br />
Cell Layout<br />
Modules<br />
Chips<br />
Boards<br />
Embedded Systems Design: A Unified<br />
<strong>Hardware</strong>/<strong>Software</strong> <strong>Introduction</strong>, (c) 2000 Vahid/Givargis<br />
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