The maximum clock frequency for the MSP430F4260IDL is 8 MHz, but it can be overclocked up to 12 MHz with reduced voltage and temperature range.
To configure the MSP430F4260IDL for low power consumption, use the low-power modes (LPM0-LPM4) by setting the corresponding bits in the status register, and also use the clock gating feature to disable clocks to unused peripherals.
Yes, the MSP430F4260IDL can operate with a 3.3V power supply, but the maximum clock frequency is limited to 4 MHz at this voltage. For higher clock frequencies, a 2.2V to 3.6V power supply is recommended.
The MSP430F4260IDL can be programmed using the Spy-Bi-Wire (SBW) interface or the JTAG interface. You can use the Texas Instruments Code Composer Studio (CCS) or IAR Embedded Workbench software to program the device.
The MSP430F4260IDL has 4KB of RAM and 32KB of flash memory.