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Sleep Timer | Cypress Semiconductor

Sleep Timer

Last Updated: 
Jun 24, 2020

  • Wakes up devices from low-power modes: Alternate Active and Sleep
  • Contains configurable option for issuing interrupt
  • Generates periodic interrupts while the device is in Active mode
  • Supports twelve discrete intervals: 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, and 4096 ms

Symbol Diagram

General Description

The Sleep Timer component can be used to wake the device from Alternate Active and Sleep modes at a configurable interval. It can also be configured to issue an interrupt at a configurable interval. For PSoC 5 architectures, an interrupt is required for the CPU to wake up.

For PSoC 5, the supported intervals are restricted to: 4, 8, 16, 32, 64, 128 or 256 ms. Refer to the CyPmSleep() function description in the System Reference Guide for details about this restriction. The PSoC 5LP device supports the full set of intervals.

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