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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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M052 Fiches technique(PDF) 30 Page - Nuvoton Technology Corporation |
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M052 Fiches technique(HTML) 30 Page - Nuvoton Technology Corporation |
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30 / 71 page  NuMicro ™ M052/M054BN Datasheet Publication Release Date: Mar. 19, 2012 - 30 - Revision V1.01 6.3 Clock Controller 6.3.1 Overview The clock controller generates the clocks for the whole chip, including system clocks and all peripheral clocks. The clock controller also implements the power control function with the individually clock ON/OFF control, clock source selection and clock divider. The chip will not enter power-down mode until CPU sets the power down enable bit (PWR_DOWN_EN) and Cortex-M0 core executes the WFI instruction. After that, chip enter power-down mode and wait for wake-up interrupt source triggered to leave power-down mode. In the power down mode, the clock controller turns off the external crystal and internal 22.1184 MHz oscillator to reduce the overall system power consumption. 6.3.2 Clock Generator Block Diagram The clock generator consists of 4 sources which list below: One external 4~24 MHz crystal One internal 22.1184 MHz RC oscillator One programmable PLL FOUT(PLL source consists of external 4~24 MHz crystal and internal 22.1184M) One internal 10 kHz oscillator |
Numéro de pièce similaire - M052 |
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Description similaire - M052 |
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