SMART ARM-based Microcontrollers

20.2.7 RAMs Low Power Mode

By default, in standby sleep mode, RAM is in low power mode (back biased) if its power domain is in retention state. Table 20-2 lists RAMs low power mode.

Table 20-2. RAM Back-biasing Mode
RAM mode	Description
Retention Back-biasing mode	RAM is back-biased if its power domain is in retention mode
Standby Back-biasing mode	RAM is back-biased if the device is in standby mode
Standby OFF mode	RAM is OFF if the device is in standby mode
Always OFF mode	RAM is OFF if the device is in RET mode

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