Description
The Texas Instruments MSP430 family of ultra-low-power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes, is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 1 µs. The MSP430G2x21/G2x31 series is an ultra-low-power mixed signal microcontroller with a built-in 16-bit timer and ten I/O pins. The MSP430G2x31 family members have a 10-bit A/D converter and built-in communication capability using synchronous protocols (SPI or I2C). Typical applications include low-cost sensor systems that capture analog signals, convert them to digital values, and then process the data for display or for transmission to a host system.
- Active Mode: 220 µA at 1 MHz, 2.2 V
- Standby Mode: 0.5 µA
- Off Mode (RAM Retention): 0.1 µA
- Internal Frequencies up to 16 MHz With One Calibrated Frequency
- Internal Very Low Power Low-Frequency (LF) Oscillator
- 32-kHz Crystal
- External Digital Clock Source
