The maximum clock frequency of the MSP430F412IPM is 8 MHz.
The MSP430F412IPM has 4KB of flash memory.
Yes, the MSP430F412IPM can operate at 3.3V, but it is recommended to use a voltage regulator to ensure stable operation.
No, the MSP430F412IPM does not have built-in USB support. However, it can be implemented using bit-banging or using an external USB controller.
The MSP430F412IPM can be programmed using the Texas Instruments Code Composer Studio (CCS) or IAR Embedded Workbench, or using a third-party programmer such as the MSP-FET430UIF.