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GPIOs: Critical IP for Functional Safety Applications
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"GPIOs: Critical IP for Functional Safety Applications"

Understand the safety mechanisms in an automotive-ready GPIO IP library suite to detect the faults in GPIO cells

The prevalence and complexity of electronics and software in automotive applications are increasing with every new generation of cars. The critical functions within the system on a chip (SoC) involve hardware and software that perform automotive-related signal communication at high data rates to and from the components off-chip. Every SoC includes general purpose IOs (GPIOs) on its periphery.

For automotive SoCs, GPIO IP is typically developed as Safety Element out of Context and delivered with a set of Assumptions of Use. It is important that the GPIO blocks are treated as a safety related logic. In this role, GPIOs need safety analysis to mitigate any faults occurring in them before the result of fault occurrence causes a system-wide failure.

This white paper describes some of the commonly used safety mechanisms in an automotive-ready GPIO library suite. It will then describe how safety related deliverables are helpful to SoC integrators in their design of safe SoCs.


Offered Free by: Synopsys
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