The MSP430F1xx series is a low-power microcontroller produced by Texas Instruments, USA. It has a low supply voltage range, ultra-low power consumption, five power-saving modes, a 16-bit RISC architecture, a 125 ns instruction cycle time, three-channel internal DMA, a 12-bit A/D converter, 16-bit timers, serial communication interfaces, a power supply voltage monitor/monitor, serial on-board programming, etc.