MSP430FR2433IRGET Description

The MSP430FR2433IRGET microcontroller (MCU) is a member of TI's most affordable family of MCUs for sensing and measurement applications, the MSP430TM Value Line sensing portfolio. In a tiny VQFN package (4 mm × 4 mm), the architecture, FRAM, and integrated peripherals are tuned to achieve prolonged battery life in portable and battery-powered sensing applications.

The MSP430FR2433IRGET ultra-low-power FRAM microcontroller platform from TI combines integrated FRAM that is distinct from other memory types with comprehensive ultra-low-power system architecture, enabling system designers to boost performance while reducing power usage. The low-energy rapid writing, adaptability, and endurance of RAM are combined with the nonvolatility of flash in FRAM technology.

MSP430FR2433IRGET Features

? Clock system (CS)

– On-chip 32-kHz RC oscillator (REFO)

– On-chip 16-MHz digitally controlled oscillator (DCO) with frequency-locked loop (FLL)

– ±1% accuracy with on-chip reference at room temperature

– On-chip very low-frequency 10-kHz oscillator (VLO)

– On-chip high-frequency modulation oscillator (MODOSC)

– External 32-kHz crystal oscillator (LFXT)

– Programmable MCLK prescalar of 1 to 128

– SMCLK derived from MCLK with programmable prescalar of 1, 2, 4, or 8

? General input/output and pin functionality

– Total of 19 I/Os on VQFN-24 package

– 16 interrupt pins (P1 and P2) can wake MCU from low-power modes

? Embedded microcontroller

– 16-bit RISC architecture

– Clock supports frequencies up to 16 MHz

– Wide supply voltage range from 3.6 V down to 1.8 V (minimum supply voltage is restricted by SVS levels, see the SVS specifications)

? Optimized ultra-low-power modes

– Active mode: 126 μA/MHz (typical)

– Standby: <1 μA with VLO

– LPM3.5 real-time clock (RTC) counter with 32768-Hz crystal: 730 nA (typical)

– Shutdown (LPM4.5): 16 nA (typical)

? High-performance analog

– 8-channel 10-bit analog-to-digital converter (ADC)

– Internal 1.5-V reference

– Sample-and-hold 200 ksps

? Enhanced serial communications

– Two enhanced universal serial communication interfaces (eUSCI_A) support UART, IrDA, and SPI

– One eUSCI (eUSCI_B) supports SPI and I2C

? Intelligent digital peripherals

– Four 16-bit timers

– Two timers with three capture/compare registers each (Timer_A3)

– Two timers with two capture/compare registers each (Timer_A2)

– One 16-bit counter-only RTC

– 16-bit cyclic redundancy check (CRC)

? Low-power ferroelectric RAM (FRAM)

– Up to 15.5KB of nonvolatile memory

– Built-in error correction code (ECC)

– Configurable write protection

– Unified memory of program, constants, and storage

– 1015 write cycle endurance

– Radiation resistant and nonmagnetic

– High FRAM-to-SRAM ratio, up to 4:1

MSP430FR2433IRGET Applications

• Small form factor industrial sensors

• Low-power medical, health, and fitness

• Electronic door locks

• Energy harvesting

• Battery-powered sensing applications