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RTL Design
Writing register-transfer-level hardware that synthesises cleanly, crosses clock domains safely, and can be reused.
5 articles
RTL Design RTL Design Reuse: Building Parameterized, Portable IP Writing RTL once and reusing it across multiple chips – or multiple configurations of the same chip – is one of the highest-leverage practices in digital design. Well-architected, parameterized IP dramatically reduces the engineering cost of future projects.
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RTL Design Low-Power RTL Coding Techniques Power consumption is increasingly a first-class design constraint, especially for battery-powered and thermally-limited chips. Many of the most effective power-saving techniques start at the RTL level, long before physical implementation.
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RTL Design Clock Domain Crossing (CDC): Risks and Best Practices Most non-trivial chips contain multiple clock domains running at independent frequencies. Any signal that crosses between these domains risks metastability – a state where a flip-flop's output briefly becomes unpredictable – unless it's handled carefully.
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RTL Design Finite State Machines: The Backbone of Control Logic Finite State Machines (FSMs) are the workhorse of digital control logic – they sequence operations, manage protocols, and coordinate handshakes between blocks. Nearly every non-trivial RTL design contains multiple FSMs working together.
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RTL Design Synthesis-Friendly Coding Styles: Writing RTL That Tools Can Optimize Not all functionally-correct RTL is equally easy for synthesis tools to optimize. Coding style choices that seem harmless in simulation can lead to poor timing, unnecessary area, or even functional mismatches between simulation and hardware.
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Build your idea into silicon.
From RTL to real, packaged chips through the VACS program.