PORs TESTING IN MULTIPLE POWER DOMAIN DEVICES
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United States of America Patent
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Aug 8, 2024
app pub date -
Feb 7, 2023
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Feb 7, 2023
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According to an embodiment, a method for testing multiple power-on-resets in a system-on-chip with a multi-power domain architecture operating under a dual power flow mode is provided. The method includes powering up the system-on-chip to full power mode, decoupling a third power domain from a first power domain and a second power domain, monitoring a general purpose input/output (GPIO) pad of the third power domain during a ramping down of a supply of the third power domain, and detecting a logic transition at the GPIO pad of the third power domain corresponding to a trip-point of the power-on-reset of the third power domain.
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