tag: registers

Facilitating Complex SoC Design Through Automation And Integration
By Andy Nightingale - 30 Apr, 2026 - Comments: 0

The design demands of today’s highly advanced system-on-chip (SoC) devices have long outgrown the capabilities of manual workflows to manage them effectively. As these chips become more complex, only sophisticated, high-performance, and scalable automation can ensure that every component of the SoC functions seamlessly. The SoC integration challenge A fundamental aspect of SoC design is the... » read more

The Verification Conundrum
By Brian Bailey - 02 Feb, 2026 - Comments: 2

When constrained random test pattern generation became the de facto way to verify designs, reference models became necessary to check that a design was producing the correct output. These were often distributed across several models, such as checkers, scoreboards and assertions. Another model that had to be created was the coverage model. It was required because you had to know if a generate... » read more

Smart Handling Of Reset Domain Crossings To Non-Resettable Flip-Flops
By Reetika - 30 Oct, 2025 - Comments: 0

As system-on-chip (SoC) designs evolve, they aren’t just getting bigger — they’re becoming more intricate. One of the trickiest challenges in this evolution lies in handling resets. Today’s architectures often juggle multiple asynchronous reset sources alongside sequential elements such as non-resettable registers (NRRs), which operate without dedicated reset pins. When a signal crosses... » read more

CSR Management: Life Beyond Spreadsheets
By Insaf Meliane - 29 May, 2025 - Comments: 0

The ASIC, ASSP, and system-on-chip (SoC) design landscape has undergone significant evolution over the past two decades. For example, while early devices contained only tens of intellectual property (IP) blocks, modern high-end SoCs may integrate up to 1000 IPs, each containing millions of logic gates. Furthermore, unlike their predecessors, today’s SoCs are no longer primarily hardware; i... » read more

System-on-Chip Integration Complexity And Hardware/Software Contracts
By Frank Schirrmeister - 26 Oct, 2023 - Comments: 0

From the earliest days of my career, when designing chips, I have always navigated the interface between hardware and software for semiconductor design in my roles. My initial chip designs included video and audio encoding and decoding, supporting standards like MPEG and H.261. As acceleration parts of hardware/software systems, these had many Control and Status Registers (CSRs) to program. The... » read more

Accessing Registers With UVM-RAL
By Sunil Sahoo - 23 Aug, 2018 - Comments: 0

As a digital design or verification engineer you know that certain features or configurations of the device can be achieved by programming some registers to set values. For example, a 32-bit register can have several fields within it and each field can represent a particular feature that can be configured. The device then reads that register and uses that information to change settings or modes... » read more

Open Standards For Verification?
By Ann Mutschler - 01 Jun, 2016 - Comments: 0

The increasing use of verification data for analyzing and testing complex designs is raising the stakes for more standardized or interoperable database formats. While interoperability between databases in chip design is not a new idea, it has a renewed sense of urgency. It takes more time and money to verify increasingly complex chips, and more of that data needs to be used earlier in the fl... » read more

It’s All In the Sequence
By Anupam Bakshi - 26 May, 2016 - Comments: 1

No project team wants a “Houston, we have a problem,” moment. And yet, they happen all too frequently, even though there could be a tool to avoid that heart-in-mouth situation. The real-life Houston moment, brought dramatically to life in the 1995 movie “Apollo 13,” occurred during what was meant to be the seventh manned mission of the NASA Apollo space program in 1970. It didn’t m... » read more

Making Way For Register Specification Software
By Anupam Bakshi - 28 Apr, 2016 - Comments: 0

No one gives much thought to the heating, ventilation and air conditioning registers in the house –– typically, two in each room, one for supply, the other for return. That is, until the lever in each needs to be manually adjusted to modulate the temperature to be hotter or colder, or the seasons change and the filters with them. Alas, registers in hardware design seem to have gotten the... » read more

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