The maximum clock frequency of the MSP430F149IPMR is 8 MHz.
The MSP430F149IPMR has 60 KB of flash memory.
Yes, the MSP430F149IPMR can operate at 3.3V, but it is also compatible with 5V systems.
No, the MSP430F149IPMR does not have built-in USB support. However, it can be used with external USB controllers.
The power consumption of the MSP430F149IPMR varies depending on the operating mode, but it can be as low as 1.4 μA/MHz in active mode and 0.1 μA in standby mode.
MSP430F149IPMR datasheet
by Texas Instruments
