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Power On Reset (POR)
HCLTech offers IP POR hcl_por_t40_v1 circuit provides a reset signal to the chip when supply ramps up so that the chip always starts in a known state. It ensures that stable and adequate supply voltages are available to the circuit. The hcl_por_t40_v1 is implemented in a tsmcN40 CMOS process.
If POR CORE circuit fails (stuck at either zero or VDD), then to power up the chip an external bypass signal is needed. Hence an additional dedicated BYPASS block is provided to bypass POR CORE circuit.
Hcl_por_t40_v1 architecture also has a TEST MODE CIRCUITS block which consists of circuits which are used to enable and generate A_TESTOUT from different outputs of POR CORE circuit.
If POR CORE circuit fails (stuck at either zero or VDD), then to power up the chip an external bypass signal is needed. Hence an additional dedicated BYPASS block is provided to bypass POR CORE circuit.
Hcl_por_t40_v1 architecture also has a TEST MODE CIRCUITS block which consists of circuits which are used to enable and generate A_TESTOUT from different outputs of POR CORE circuit.
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Block Diagram of the Power On Reset (POR) IP Core
