This article was originally published in the Zhihu column [The Path of Digital IC Backend Engineers]. In the field of low power design, the most effective way to reduce power consumption is through power shutdown. This is because no matter how low the voltage, how small the current, how slow the speed, or how minimal … Read more
In power-off modules, it may be required for the register to latch data before power-off or to restore latched data after power-on, which necessitates a special unit known as the Retention Register. The retention register consists of two sets of registers: the Main Register and the shadow register, where the shadow register is powered by … Read more
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In the power-off module, it may be required for the register to latch the data before shutdown or to restore the latched data after the power is turned on, which requires a special unit called the Retention Register. The retention register has two sets of registers: the Main Register and the shadow register, where the … Read more