The maximum clock frequency for the MSP430F2001IPW is 16 MHz, but it can be overclocked up to 20 MHz with reduced reliability and increased power consumption.
To use an external clock source, connect the clock signal to the XIN pin and set the UCSCTL6 register to select the external clock source. Also, make sure to configure the UCSCTL7 register to set the correct clock frequency.
The minimum voltage required for the MSP430F2001IPW to operate is 1.8V, but it is recommended to operate at 2.2V or higher for reliable operation.
To reduce power consumption, use the low-power modes (LPM3 or LPM4) when the device is not actively processing data. Also, disable any unused peripherals and reduce the clock frequency to the minimum required for the application.
Yes, the MSP430F2001IPW can be used with a 3.3V power supply, but it is recommended to use a voltage regulator to ensure the voltage remains within the recommended operating range (1.8V to 3.6V).
MSP430F2001IPW datasheet
by Texas Instruments
