The maximum clock frequency that can be used with the MSP430F2001IRSAT is 16 MHz, which is the maximum frequency of the internal digitally controlled oscillator (DCO). However, the device can also be clocked externally up to 20 MHz.
To configure the MSP430F2001IRSAT to use an external crystal oscillator, you need to connect the crystal to the XIN and XOUT pins, and then configure the UCSCTL6 register to select the external crystal oscillator as the clock source. You also need to configure the UCSCTL7 register to set the correct frequency range for the crystal oscillator.
The minimum voltage required to program the MSP430F2001IRSAT is 2.2V. However, it is recommended to use a voltage of at least 2.5V to ensure reliable programming.
Yes, the MSP430F2001IRSAT can be used in a 3.3V system. The device is specified to operate from 1.8V to 3.6V, so 3.3V is within the recommended operating range.
There are several ways to reduce power consumption in the MSP430F2001IRSAT, including using the low-power modes (LPM3 or LPM4), reducing the clock frequency, turning off unused peripherals, and using the built-in brown-out reset (BOR) to detect and respond to voltage drops.
MSP430F2001IRSAT datasheet
by Texas Instruments
