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Embedded Systems

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Analog Electronics Digital Electronics Signals & Systems Control Systems Electromagnetic Theory Digital Communication Analog Communication Network Analysis Microprocessors VLSI Design Verilog HDL Power Electronics DSP Electronic Devices

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1 of 3 articles

Low Power Design

Sleep modes, clock gating.

Updated: 19 March 2026

4 min read

#Embedded Systems

Low Power Design Quiz

Test your understanding of sleep modes and clock gating in low-power embedded systems.

Question 1 of 3

Q1.In an ARM Cortex-M microcontroller, the WFI (Wait For Interrupt) instruction is used to enter a low-power state. Which sleep mode does WFI typically enter when the SLEEPDEEP bit in the SCR register is cleared?

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