The TI 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 the device to wake up from low-power modes to active
mode in 3 µs (typical).
The MSP430F643x devices are microcontrollers with an
integrated 3.3-V LDO, a high-performance 12-bit ADC, a comparator, two USCIs, a hardware
multiplier, DMA, four 16-bit timers, an RTC module with alarm capabilities, an LCD driver, and up
to 74 I/O pins.
For complete module descriptions, see the MSP430F5xx and MSP430F6xx Family Users Guide.
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