MSP430FR5994IZVWR

Product Overview

The MSP430FR5994IZVWR is a high-performance, ultra-low-power 16-bit MSP430 microcontroller from Texas Instruments, featuring 256KB of embedded FRAM, 8KB SRAM, a Low-Energy Accelerator (LEA), AES cryptographic acceleration, a 12-bit SAR ADC, analog comparator, DMA, RTC, and multiple serial communication interfaces.

The MSP430FR5994 combines the low-power architecture of the MSP430 family with integrated FRAM technology and the LEA accelerator for signal-processing applications. The LEA accelerator operates independently of the CPU and can provide significant acceleration for functions such as FFT, FIR filtering, and matrix multiplication.

The MSP430FR5994IZVWR is supplied in an 87-pin NFBGA (ZVW) package and supports a supply voltage range from 1.8V to 3.6V.

Key Features

• 16-bit MSP430 RISC architecture

• CPU frequency up to 16 MHz

• 256KB embedded FRAM

• 8KB SRAM

• Low-Energy Accelerator (LEA)

• 4KB shared LEA RAM

• 12-bit SAR ADC

• Up to 20 external ADC channels

• 16-channel analog comparator

• 6-channel DMA

• 32-bit hardware multiplier

• Six 16-bit timers with up to seven capture/compare registers each

• RTC with calendar and alarm functions

• AES-128/AES-256 cryptographic accelerator

• Up to four eUSCI_A interfaces

• Up to four eUSCI_B interfaces

• UART, IrDA, SPI and I²C support

• 68 GPIOs

• Capacitive-touch capability on GPIOs

• Hardware UART or I²C bootloader

• 32-bit and 16-bit CRC

• Ultra-low-power operating modes

• 87-pin NFBGA package

• Operating temperature: -40°C to +85°C

Technical Specifications

Processor & Architecture

The MSP430FR5994IZVWR integrates a 16-bit MSP430 RISC CPU operating at up to 16 MHz.

The MSP430 architecture is designed for ultra-low-power embedded applications while maintaining efficient processing performance. The device also integrates the LEA accelerator, allowing signal-processing workloads to be executed independently of the main CPU.

The LEA accelerator includes 4KB of shared RAM and supports computationally intensive operations such as:

• Complex FFT

• FIR filtering

• Matrix multiplication

• Digital signal processing

TI specifies that the LEA can provide up to approximately 40× the performance of an Arm Cortex-M0+ core for supported signal-processing functions.

Memory & Storage

The MSP430FR5994IZVWR integrates high-endurance FRAM technology:

• 256KB FRAM

• 8KB SRAM

• 4KB shared LEA RAM

• Unified memory architecture

• Flexible allocation between application code and data

• Fast FRAM writes

• Approximately 10¹⁵ write-cycle endurance

FRAM combines nonvolatile data retention with low-energy writes and high endurance, making it suitable for data logging, measurement equipment, and applications requiring frequent memory updates.

Analog Peripherals

The device provides integrated analog peripherals for sensing and measurement:

• 12-bit SAR ADC

• Up to 20 external ADC input channels

• Internal ADC reference

• Sample-and-hold

• Window comparator functionality

• 16-channel analog comparator

• Analog signal monitoring capability

These resources make the device suitable for sensor interfaces, industrial measurement, portable instruments, and low-power data-acquisition systems.

Timer & PWM Resources

The MSP430FR5994IZVWR includes six 16-bit timers with multiple capture/compare resources.

Timer resources support:

• Capture and compare

• PWM generation

• Event timing

• Input measurement

• Output control

• Periodic interrupts

The timers can be combined with GPIO and serial peripherals to implement real-time control and measurement functions.

Communication & Connectivity

The MSP430FR5994IZVWR provides flexible serial communication through its eUSCI peripherals:

• Up to four eUSCI_A serial communication ports

• UART with automatic baud-rate detection

• IrDA encode/decode

• SPI support

• Up to four eUSCI_B serial communication ports

• I²C with multiple-slave addressing

• Hardware UART/I²C bootloader

• GPIO multiplexing for peripheral functions

These interfaces allow connection to sensors, memory devices, displays, communication modules, power-management ICs, and other embedded controllers.

Clock & Power Management

The MSP430FR5994IZVWR includes a flexible clock system designed for low-power operation:

• Factory-trimmed digitally controlled oscillator (DCO)

• Multiple selectable DCO frequencies

• Very-low-power internal oscillator (VLO)

• 32kHz low-frequency crystal oscillator

• High-frequency crystal oscillator

• Flexible clock-source selection

• Integrated supply-voltage supervision

The device operates across a supply range of 1.8V to 3.6V.

Low-Power Operation

Ultra-low-power operation is a key feature of the MSP430FR5994 family.

Typical power figures include:

• Active mode: approximately 118 µA/MHz

• LPM3 with VLO: approximately 500 nA

• LPM3.5 with RTC: approximately 350 nA

• LPM4.5 shutdown: approximately 45 nA

The low-power architecture allows battery-powered systems to remain in standby for extended periods while retaining fast wake-up and data-processing capabilities.

Power Management

The MSP430FR5994IZVWR integrates power-management functions that reduce external component requirements.

Features include:

• 1.8V to 3.6V operating range

• Multiple low-power modes

• Supply-voltage supervision

• Clock management

• Low-power RTC operation

• Fast wake-up capability

These features make the device well suited to portable and battery-operated equipment.

Security & Data Integrity

The MSP430FR5994IZVWR provides hardware security and data-integrity features:

• AES-128 encryption/decryption

• AES-256 encryption/decryption

• Random-number seed support

• IP encapsulation

• Secure communication support

• Secure debug capabilities

• 32-bit CRC

• 16-bit CRC

The integrated cryptographic accelerator reduces CPU workload while supporting security functions in embedded applications.

Development & Debugging

The MSP430FR5994IZVWR is supported by the Texas Instruments MSP430 development ecosystem.

Development resources include:

• MSP430Ware software

• Code Composer Studio

• MSP-EXP430FR5994 LaunchPad development kit

• MSP-TS430PN80B target development board

• JTAG debugging

• Spy-Bi-Wire debugging

• Hardware UART/I²C bootloader

These tools support software development, debugging, firmware programming, and production development.

Applications

The MSP430FR5994IZVWR is suitable for a wide range of low-power embedded applications, including:

• Industrial sensing

• Energy monitoring

• Smart metering

• Portable measurement equipment

• Data logging

• Sensor processing

• Signal processing

• Medical instrumentation

• Wearable electronics

• Building automation

• IoT sensor nodes

• Battery-powered equipment

• Industrial control systems

The LEA accelerator makes the device particularly suitable for applications requiring local DSP processing with low CPU and power overhead.

Benefits

• 16 MHz MSP430 ultra-low-power architecture

• 256KB high-endurance FRAM

• 8KB SRAM

• Integrated LEA signal-processing accelerator

• Up to 40× Cortex-M0+ performance for supported DSP operations

• 12-bit ADC with up to 20 external channels

• 16-channel analog comparator

• AES-128/AES-256 hardware acceleration

• 6-channel DMA

• Multiple UART, SPI and I²C interfaces

• Six 16-bit timers

• Ultra-low standby current

• Compact 87-pin NFBGA package

• Suitable for advanced sensing and signal-processing applications

Packaging & Ordering Information

• Part Number: MSP430FR5994IZVWR

• Manufacturer: Texas Instruments

• Device Family: MSP430FR5994

• Package: 87-pin NFBGA

• Package Code: ZVW

• Package Quantity: 1,000 per Large Tape & Reel

• Supply Voltage: 1.8V to 3.6V

• Operating Temperature: -40°C to +85°C

• Lead Finish / Ball Material: NiPdAu

• MSL Rating: Level-3-260C-168 HR

• Product Status: ACTIVE

Datasheet

For complete electrical characteristics, pin configuration, memory architecture, ADC specifications, timer configuration, communication interfaces, absolute maximum ratings, and application information, please refer to the official Texas Instruments documentation.

Datasheet: Official MSP430FR5994 Datasheet

Frequently Asked Questions

What is MSP430FR5994IZVWR?
MSP430FR5994IZVWR is a Texas Instruments 16-bit MSP430 ultra-low-power MCU featuring 256KB FRAM, 8KB SRAM, LEA, AES acceleration, 12-bit ADC, DMA, timers, UART, SPI and I²C interfaces.

What is the CPU frequency of MSP430FR5994IZVWR?
The maximum CPU frequency is 16 MHz.

How much memory does MSP430FR5994IZVWR have?
The device provides 256KB of FRAM and 8KB of SRAM.

What is the LEA accelerator?
LEA is the Low-Energy Accelerator integrated into the MSP430FR5994 family. It operates independently of the CPU and accelerates DSP operations such as FFT, FIR filtering and matrix multiplication.

How many ADC channels does MSP430FR5994IZVWR have?
The device provides a 12-bit SAR ADC with up to 20 external input channels.

Does MSP430FR5994IZVWR support AES encryption?
Yes. It includes hardware acceleration for AES-128 and AES-256 encryption and decryption.

How many GPIOs are available?
The MSP430FR5994 device provides 68 GPIOs.

What package is MSP430FR5994IZVWR supplied in?
The MSP430FR5994IZVWR is supplied in an 87-pin NFBGA (ZVW) package.

What is the operating temperature range?
The specified operating temperature range is -40°C to +85°C.

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