• 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 I
2C
• 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
• 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
• Development tools and software
– Development tools
– LaunchPad™ development kit
(MSP‑EXP430FR2433)
– Target development board
(MSP‑TS430RGE24A)
• Family member (also see Device Comparison)
– MSP430FR2433: 15KB of program FRAM, 512B
of information FRAM, 4KB of RAM
• Package options
– 24 pin: VQFN (RGE)
– 24-pin: DSBGA (YQW)