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Having problem with ARM9

Anny G over 12 years ago

Note: This was originally posted on 1st November 2012 at http://forums.arm.com

Hi, I am facing some issue and yet got no solution. My ARM9 lose it's memory when power off.

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Peter Harris over 12 years ago

Note: This was originally posted on 5th November 2012 at http://forums.arm.com

RAM is a volatile memory technology so will lose its state when you remove power.

If you want to preserve state over power / reset cycles you either need (1) a battery backed up RAM with a low power state, or (2) save to flash which you can then restore at boot time.
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Peter Harris over 12 years ago

Note: This was originally posted on 5th November 2012 at http://forums.arm.com

RAM is a volatile memory technology so will lose its state when you remove power.

If you want to preserve state over power / reset cycles you either need (1) a battery backed up RAM with a low power state, or (2) save to flash which you can then restore at boot time.
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