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 source of the MSP430?
The MSP430 provides a wealth of clock sources; from ultra-low-power, low-cost, on-chip clock sources to high-speed external crystal inputs. All of these can be brought to bear through the use of 3 internal clock signals, which drive the CPU along as well as fast and slow peripherals.
