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Which of the following modes is also known as the RAM retention mode?

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in Microcontroller by (14.6k points)
Which of the following modes is also known as the RAM retention mode?

(a) LPM0

(b) LPM3

(c) LPM4

(d) All of the mentioned

I have been asked this question during an internship interview.

The above asked question is from Low Power Modes in portion MSP430 Microcontroller of Microcontroller

1 Answer

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by (24.2k points)
The correct choice is (c) LPM4

The explanation: LPM4 is known as the RAM retention mode. Here, the CPU and all clocks are disabled, I ≈ 0.1A. The device can be woken only by an external signal.

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