Mar 15, 2012 · This number can be divided down using binary values to give you a frequency of 1Hz, or a period of 1 second. This is why 32kHz is the standard ...
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What is the frequency of ACLK in MSP430?
Clocks on the MSP430 Launchpad
After power-up, MCLK and SMCLK are sourced from DCOCLK at about 1.1MHz. ACLK is sourced from LFXT1CLK in LF mode. The Launchpad comes with an option 32kHz crystal in the box that needs to be installed by the user.
What is the significance of a 32.768 kHz watch crystal for ACLK?
Understanding 32.768 kHz Crystals
Their specific frequency allows them to divide down to 1 Hz, equivalent to one second in frequency, making them the basis for all day, date, and timekeeping functions for any electronic design.
What is the clock system in MSP430?
The implementation of the basic clock module into MSP430 devices can have two or three oscillators. The two-oscillator configuration uses the LFXT1CLK signal in place of the XT2CLK signal. The auxiliary clock (ACLK) is the buffered output of the LFXT1 oscillator and provides clock signals for peripheral modules.
