MSP430G2x Microcontrollers (MCUs) Texas Instruments MSP430G2x Microcontrollers (MCUs) are from the MSP ultra-low-power MCU series. These microcontrollers offer the low power and performance of a 16-bit MSP microcontroller with a feature set targeted at cost-sensitive applications. Select Texas Instruments MSP430G2x devices that can operate at extended temperatures from -55°C to 150°C.