The TI MSP family of ultra-low-power microcontrollers consists of several devices that
feature 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 MSP430F665x and MSP430F565x series are microcontroller configurations with four
16-bit timers, a high-performance 12-bit ADC, three USCIs, a hardware multiplier, DMA, an RTC
module with alarm capabilities, a comparator, USB 2.0, and up to 74 I/O pins.
The MSP430F645x and MSP430F535x series are microcontroller configurations with an
integrated 3.3-V LDO, four 16-bit timers, a high-performance 12-bit ADC, three USCIs, a hardware
multiplier, DMA, an RTC module with alarm capabilities, a comparator, and up to 74 I/O
For complete module descriptions, see the MSP430F5xx and MSP430F6xx Family Users Guide.
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