Sleep Wakeup from Pins -- PSoC | Cypress Semiconductor
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Sleep Wakeup from Pins -- PSoC
Is a wakeup in the sleep state possible by an interrupt generated from any pin?
Any port pin can be used to wakeup the PSoC by using the GPIO interrupts. Refer the application note, "AN47310 - PSoC® 1 Power Savings Using Sleep Mode" for more details.