MSP430x241x, MSP430x261x mixed-signal microcontrollers are low-power microcontrollers released by Texas Instruments. They are based on the 16-bit RISC architecture, with a working voltage range of 1.8V to 3.6V. They have three-channel internal DMA, 12-bit analog-to-digital converter, 12-bit digital-to-analog converter, 16-bit timer A, 16-bit timer B, four universal serial communication interfaces (USCIs), power supply voltage monitor, brownout detector, bootstrap loader, serial onboard programming and other features.