Abstract: An electric device includes: a first power domain; a second power domain; a third power domain, where during power-up, the third, the second, and the first power domains are configured to be powered up sequentially, where during standby-exit, the first, the second, and the third power domains are configured to be powered up sequentially; isolation paths that provide controlled signal transmission among the first, the second, and the third power domains, where each isolation path includes an isolation circuit between an input power domain and an output power domain of the isolation path; and a control circuit in the first power domain, where for each isolation path, the control circuit is configured to generate an isolation control signal for the isolation circuit, where the isolation circuit is configured enable or disable signal transmission along the isolation path.

Abstract: An assembly for detecting a structural defect in a semiconductor die is provided. The assembly includes a defect-detection sensor and a microcontroller. The defect-detection sensor includes a plurality of resistive paths of electrical-conductive material in the semiconductor die, each of which has a first end and a second end and extends proximate a perimeter of the semiconductor die. The defect-detection sensor includes a plurality of signal-generation structures, each coupled to a respective resistive path and configured to supply a test signal to the resistive path. The microcontroller is configured to control the signal-generation structures to generate the test signals, acquire the test signals in each resistive paths, test an electrical feature of the resistive paths by performing an analysis of the test signals acquired and detect the presence of the structural defect in the semiconductor die based on a result of the analysis of the test signals acquired.

Abstract: A method to bypass a voltage regulator of a system on a chip (SOC) comprising powering a first power domain using a voltage regulator; powering a second power domain using the voltage regulator; coupling a third power domain with an external voltage source; raising an external voltage supply from the external voltage source above a threshold level of the voltage regulator; coupling the first second power domains to the external voltage source; turning OFF the voltage regulator of the SOC after coupling the first power domain of the SOC and the second power domain of the SOC to the external voltage source; and powering the first power domain of the SOC, the second power domain of the SOC, and the third power domain of the SOC with the external voltage source, the external voltage source bypassing the voltage regulator.

Abstract: An electric device includes: a first power domain; a second power domain; a third power domain, where during power-up, the third, the second, and the first power domains are configured to be powered up sequentially, where during standby-exit, the first, the second, and the third power domains are configured to be powered up sequentially; isolation paths that provide controlled signal transmission among the first, the second, and the third power domains, where each isolation path includes an isolation circuit between an input power domain and an output power domain of the isolation path; and a control circuit in the first power domain, where for each isolation path, the control circuit is configured to generate an isolation control signal for the isolation circuit, where the isolation circuit is configured enable or disable signal transmission along the isolation path.

Abstract: A method to bypass a voltage regulator of a system on a chip (SOC) comprising powering a first power domain using a voltage regulator; powering a second power domain using the voltage regulator; coupling a third power domain with an external voltage source; raising an external voltage supply from the external voltage source above a threshold level of the voltage regulator; coupling the first second power domains to the external voltage source; turning OFF the voltage regulator of the SOC after coupling the first power domain of the SOC and the second power domain of the SOC to the external voltage source; and powering the first power domain of the SOC, the second power domain of the SOC, and the third power domain of the SOC with the external voltage source, the external voltage source bypassing the voltage regulator.