Texas Instruments MSP430FR6979IPZ

Mfr. Part

MSP430FR6979IPZ

Manufacturer

Luminary Micro/Texas Instruments

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Detailed Description

16-bit ultra‑low‑power microcontroller from the MSP430 FRAM series. It combines 128KB FRAM program memory with 2KB RAM, a 16-bit MSP430 CPUXV2 core running up to 16 MHz, rich analog and digital peripherals, and an integrated LCD controller. The device comes in a 100‑pin LQFP (14 x 14 mm) package for surface‑mount assembly and is ideal for battery-powered and embedded systems requiring fast nonvolatile writes, low energy use, and robust connectivity.

Key Features

Core and speed: MSP430 CPUXV2, 16-bit, up to 16 MHz

Memory: 128KB FRAM (program), 2KB RAM

I/O: 63 programmable GPIO pins

Analog: 12-bit ADC, 16 channels

Peripherals: DMA, LCD controller, PWM, watchdog timer (WDT), brown-out detect/reset (BOR), power-on reset (POR)

Connectivity: I2C, SPI, UART/USART, IrDA, SCI

Oscillators: Internal oscillator (supports low-power modes)

Supply voltage: 1.8 V to 3.6 V

Operating temperature: -40°C to +85°C (TA)

Series: MSP430 FRAM

Compliance: RoHS3 compliant

Key Advantages

FRAM program memory: fast writes, very high endurance, no erase cycles like Flash; ideal for frequent data logging and instant state saves

Ultra-low power: MSP430 architecture and FRAM reduce active and standby energy consumption

Integrated LCD driver: simplifies designs with segmented displays, lowers BOM and board space

Flexible interfaces: multiple serial options (I2C, SPI, UART/USART, IrDA, SCI) ease system integration

Robust safety: BOR, POR, WDT, and reliable reset behavior

Simple development: MSP430 ecosystem, tools, and libraries are mature and widely supported

Packaging

Type: 100-pin LQFP (Low-Profile Quad Flat Package)

Body size: 14 mm x 14 mm nominal

Pitch: typically 0.5 mm lead pitch for 100‑LQFP

Height: low-profile package, easy to handle in automated assembly

Materials: molded epoxy package, copper leadframe, tin-based lead finish

Pins: 100 gull-wing leads around the perimeter; 63 usable GPIO multiplexed with peripheral functions

Key pin groups: multiple VCC and GND pins for stable power; JTAG/SBW programming pins; crystal pins for low-frequency and high-frequency clocks; reset pin; analog input pins for ADC; LCD segment/common outputs

Thermal characteristics: optimized for low-power dissipation; operate across -40°C to +85°C ambient; for precise thermal resistance (θJA/θJC) and derating, see the datasheet

Electrical properties: CMOS/TTL-compatible I/O levels, integrated internal pull-ups/pull-downs on selected pins, robust ESD protections (per datasheet)

Mounting type: surface mount

Supplier device package: 100-LQFP (14 x 14)

Shipping packaging: tray (ideal for pick-and-place and volume production)

Lifecycle

Status: Active and widely used within TI’s MSP430 FRAM family

Not nearing discontinuation based on current industry status; for the latest lifecycle confirmation, check our website or contact Y-IC sales

Equivalent or alternative TI models (check features and pin compatibility in datasheets):

- MSP430FR6989 (same FRAM class, integrated LCD, similar peripherals; available in 100‑pin LQFP options)

- MSP430FR6977 (same series, 128KB FRAM, family-closer feature set)

- MSP430FR6972 (same series with lower FRAM size, family-compatible features)

- MSP430FR5969 (FRAM-based MSP430 with different pin counts and peripheral mix; good functional alternative for smaller footprints)

Cross-vendor functional alternatives (not pin-compatible; evaluate carefully):

- STMicroelectronics STM32L0/L1 series (ultra-low-power ARM Cortex-M)

- Microchip PIC24F/PIC24FJ low-power series (16-bit, Flash-based)

- NXP Kinetis KL low-power series

If your exact drop-in or long-term supply plan needs validation, please contact our Y-IC sales team via our website for tailored recommendations

Key Application Areas

Battery-powered metering and portable instrumentation

Wearables and handheld devices with segmented LCDs

Smart appliances and home automation control panels

Industrial sensing, data loggers, and remote nodes

Medical and wellness devices requiring low-power and dependable nonvolatile storage

Building automation, thermostats, and energy monitors

Consumer electronics with simple UI and real-time logging

Datasheet

Y-IC provides the most authoritative datasheet for MSP430FR6979IPZ on our product page. We recommend downloading the datasheet here to get exact specifications, pin maps, timing, thermal data, and design guidelines.

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