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Early Detection Of Reset Domain Crossing Errors


Many aspects of system-on-chip (SoC) designs are growing, including the numbers of gates, memories, clock domains, reset domains, power domains, on-chip buses, and external interfaces. A recent blog post focused on reset domain crossings (RDCs) and the requirements for effective pre-silicon verification of these trouble-prone structures. If properly applied, a solution meeting these requirement... » read more

Requirements For Exhaustive SoC Reset Domain Crossing Checks


It is common to read that the numbers of clock domains and power domains in system-on-chip (SoC) designs are increasing, but for some reason there is less discussion about resets. There is no doubt that the number of reset domains is also rising; studies have shown that the single reset of twenty years ago has been replaced by a complex network of 40-50 domains in many chips and even 150 in som... » read more

Systematic Methodology To Solve Reset Challenges In Automotive SoCs


Modern automotive SoCs typically contain multiple asynchronous reset signals to ensure systematic functional recovery from unexpected situations and faults. This complex reset architecture leads to a new set of problems such as possible reset domain crossing (RDC) issues. The conventional clock domain and CDC verification methodologies cannot identify such critical bugs. In this paper, we prese... » read more

Four Steps To Resolving Reset Domain Crossing Data-Corruption In Automotive SoCs


By Kurt Takara (Siemens EDA), Ankush Sethi (NXP), and Aniruddha Gupta (NXP) Modern automotive SoCs typically contain multiple asynchronous reset signals to ensure systematic functional recovery from unexpected situations and faults. This complex reset architecture leads to a new set of problems such as possible reset domain crossing (RDC) issues. Conventional clock domain crossing (CDC) veri... » read more

Taming Non-Predictable Systems


How predictable are semiconductor systems? The industry aims to create predictable systems and yet when a carrot is dangled, offering the possibility of faster, cheaper, or some other gain, decision makers invariably decide that some degree of uncertainty is warranted. Understanding uncertainty is at least the first step to making informed decisions, but new tooling is required to assess the im... » read more

Systematic Methodology To Solve Reset Challenges In Automotive SoCs


Modern automotive SoCs typically contain multiple asynchronous reset signals to ensure systematic functional recovery from unexpected situations and faults. This complex reset architecture leads to a new set of problems such as possible reset domain crossing (RDC) issues. The conventional clock domain and CDC verification methodologies cannot identify such critical bugs. In this paper, we prese... » read more

Shift Left Power-Aware Static Verification


Next-generation SoCs with advanced graphics, computing, machine learning (ML) and artificial intelligence (AI) capabilities are posing new unseen challenges in Low Power Verification. These techniques can introduce critical bugs into a design, especially when the power-management infrastructure interacts with signals that cross clock or reset domains. This can create additional clock-domain cro... » read more

Resets And Reset Domain Crossings In ASIC And FPGA Designs


This white paper explains Reset-related ASIC and FPGA design issues as well as outlines commonly-used design techniques leading to safe reset implementations. It goes on to explain about Reset Domain Crossing effects and methods to mitigate their influence on design. LINT tools provide valuable help for designers in Resets and Reset Domain Crossings verification. To download this paper, clic... » read more

Respecting Reset


Resets are a necessary part of all synchronous designs because they allow them to be brought into a known state. However, such a simple process can lead to many problems within an [getkc id="81" kc_name="SoC"]. No longer can reset be considered a simple operation when power initially is applied to a circuit. Instead, the design of reset has many implications on cost, area and routability, a... » read more