TIDM-FRAM-CTPL Reference Design

Texas Instruments

Intelligent System State Restoration after Power Failure with Compute Through Power Loss Utility

Description

Compute Through Power Loss (CTPL) is a software utility for ultra-low-power MSP430FRxx FRAM microcontrollers that enables an application to easily save the CPU and peripheral states into non-volatile FRAM before powering down or entering a deep-sleep mode like LPMx.5. CTPL then automatically restores the application where the application last executed (this is also referred to as context-save and restore). This reference design showcases how one can easily integrate the utility library to be used in their application. CTPL can enable a faster wake-up time from cold-start by bypassing the startup routine which can be cycle intensive.

Features
  • Uses CTPL software utilityComplete shutdown with software state retention via VCC monitoringEase-of-use with low-power mode LPMx.5Ideal for energy harvesting applications
Applications
  • Smoke & heat detector
  • Glass break detector
  • Gas detector
  • HVAC fluid leak detector
  • Fire safety sounder
  • speaker
  • strobe
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Bill Of Materials

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Schematic

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Test Data

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