The maximum clock frequency of the MSP430F5438AIZQWT is 18 MHz.
To configure the MSP430F5438AIZQWT for low power consumption, use the low-power modes (LPM3, LPM4) and adjust the clock frequency, disable unused peripherals, and use the Power Management Module (PMM) to control the power modes.
Yes, the MSP430F5438AIZQWT can operate with a 3.3V power supply, but it is recommended to use a voltage regulator to ensure a stable voltage supply.
The MSP430F5438AIZQWT can be programmed using the Texas Instruments Code Composer Studio (CCS) or IAR Embedded Workbench, and can be flashed using the Spy-Bi-Wire (SBW) or JTAG interfaces.
The MSP430F5438AIZQWT has 16KB of RAM and 256KB of flash memory.