1.1 Features 1
• Embedded Microcontroller
– 16-Bit RISC Architecture up to 16-MHz Clock
– Wide Supply Voltage Range (1.8 V to 3.6 V)
– 1.99-V Minimum Supply Voltage Required for
Power Up per SVSH Power-Up Level
• Optimized Ultra-Low-Power Modes
– Active Mode: Approximately 100 μA/MHz
– Standby (LPM3 With VLO): 0.4 μA (Typical)
– Real-Time Clock (RTC) (LPM3.5): 0.35 μA
(Typical) (1)
– Shutdown (LPM4.5): 0.02 μA (Typical)
• Ultra-Low-Power Ferroelectric RAM (FRAM)
– Up to 128KB of Nonvolatile Memory
– Ultra-Low-Power Writes
– Fast Write at 125 ns per Word (64KB in 4 ms)
– Unified Memory = Program + Data + Storage in
One Single Space
– 1015 Write Cycle Endurance
– Radiation Resistant and Nonmagnetic
• Intelligent Digital Peripherals
– 32-Bit Hardware Multiplier (MPY)
– Three-Channel Internal Direct Memory Access
(DMA)
– RTC With Calendar and Alarm Functions
– Five 16-Bit Timers With up to 7
Capture/Compare Registers Each
– 16-Bit and 32-Bit Cyclic Redundancy Checker
(CRC16, CRC32)
• High-Performance Analog
– 16-Channel Analog Comparator
– 12-Bit Analog-to-Digital Converter (ADC) With
Internal Reference and Sample-and-Hold and
up to 16 External Input Channels
– Integrated LCD Driver With Contrast Control for
up to 320 Segments
• Multifunction Input/Output Ports
– All P1 to P10 and PJ Pins Support Capacitive
Touch Capability Without Need for External
Components
– Accessible Bit-, Byte- and Word-Wise (in Pairs)
– Edge-Selectable Wakeup From LPM on Ports
P1, P2, P3, and P4
– Programmable Pullup and Pulldown on All Ports
• Code Security
– True Random Number Seed for Random
Number Generation Algorithm
• Enhanced Serial Communication
– eUSCI_A0 and eUSCI_A1 Support:
– UART With Automatic Baud-Rate Detection
– IrDA Encode and Decode
– SPI
– eUSCI_B0 and eUSCI_B1 Support:
– I2C With Multiple-Slave Addressing
– SPI
– Hardware UART and I2C Bootloader (BSL)
• Flexible Clock System
– Fixed-Frequency DCO With 10 Selectable
Factory-Trimmed Frequencies
– Low-Power Low-Frequency Internal Clock
Source (VLO)
– 32-kHz Crystals (LFXT)
– High-Frequency Crystals (HFXT)
• Development Tools and Software
– Free Professional Development Environments
With EnergyTrace++™ Technology
– Experimenter and Development Kits
• Controlled Baseline
– One Assembly/Test Site, One Fabrication Site
• Enhanced Diminishing Manufacturing Sources
(DMS) Support
• Enhanced Product-Change Notification
• Qualification Pedigree

1.2 Applications
• Water Meters
• Heat Meters
• Heat Cost Allocators
• Portable Medical Meters
• Data Logging

1.3 Description
The MSP430™ ultra-low-power (ULP) FRAM platform combines uniquely embedded FRAM and a holistic
ultra-low-power system architecture, allowing innovators to increase performance at lowered energy
budgets. FRAM technology combines the speed, flexibility, and endurance of SRAM with the stability and
reliability of flash at much lower power.
The MSP430 ULP FRAM portfolio consists of a diverse set of devices that feature FRAM, the ULP 16-bit
MSP430 CPU, and intelligent peripherals targeted for various applications. The ULP architecture
showcases seven low-power modes, which are optimized to achieve extended battery life in energychallenged
applications.
As a high reliability enhanced product, with controlled baseline, extended temperature range (–55°C to
95°C) and gold bond wires in the package, this device is uniquely suited to mission critical applications.