ST10F280_12 Datasheet, PDF (184/239 Pages) STMicroelectronics – 16-bit MCU with MAC unit, 512 Kbyte Flash memory and 18 Kbyte RAM

Power reduction modes
ST10F280
Figure 72. Simplified power down exit circuitry
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Figure 73. Power down exit sequence when using an external interrupt (PLL x 2)
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Doc ID 8673 Rev. 3