SLAZ694B March 2017 – May 2021 MSP430G2210
BCL Module
Functional
MCLK = ACLK and P2SEL control bits
When using ACLK as the CPU MCLK clock source, the oscillator failsafe feature does not automatically switch MCLK to the DCO if the P2SEL6 or P2SEL7 bit is cleared. This applies when ACLK = LFXT1 (external low frequency clock source). The CPU will halt operation since no MCLK signal is present.
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