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Full power operation (PS_EN = 1): when slide switch S2 is in the right position (PON = power rails unconditionally on), signal PS_EN is set to power rail 3.3V. Thus power rails 2.5V and 1.2V are unconditionally enabled.
Figure 39: S2 on position PON (PS_EN ≠ FX2_PS_EN = x; PS_EN = high ).
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