SCKSCR

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Interpret as SCKSCR

CKSEL=000

System Clock Source Control Register

CKSEL

Clock Source Select

0 (others): Setting prohibited

0 (000): HOCO

1 (001): MOCO

2 (010): LOCO

3 (011): Main clock oscillator

4 (100): Sub-clock oscillator

5 (101): PLL

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