Texas Instruments MSP430FR6977IPN

Mfr. Part

MSP430FR6977IPN

Manufacturer

Texas Instruments (formerly Luminary Micro/Texas Instruments)

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Detailed Description

Ultra‑low‑power 16‑bit MSP430 microcontroller with 64 KB FRAM, 2 KB RAM, 12‑bit ADC (12 channels), LCD controller, rich serial interfaces, and integrated power management. 80‑pin LQFP, 16 MHz max, −40°C to +85°C, 1.8 V to 3.6 V supply. RoHS3 compliant. Series: MSP430 FRAM. Base product number: MSP430FR6977.

Key Features

Core: MSP430 CPUxV2, 16‑bit RISC, up to 16 MHz

Memory: 64 KB non‑volatile FRAM (fast, low‑power, high endurance), 2 KB RAM

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

Data converters: 12‑bit ADC, 12 input channels

Connectivity: I2C (listed as IC), IrDA, SCI, SPI, UART/USART

I/O: 63 programmable I/O pins

Clocking: Internal oscillator

Operating voltage: 1.8 V to 3.6 V

Temperature range: −40°C to +85°C (TA)

Package: 80‑LQFP (12 × 12 mm), surface‑mount

Compliance: RoHS3 compliant

Series: MSP430 FRAM family

Key Advantages

FRAM storage: fast writes, very high endurance, no erase cycles, lower energy vs. Flash

Ultra‑low‑power design: ideal for battery and energy‑harvesting devices

Integrated LCD driver: simplifies user interface on segmented displays

Rich serial interfaces: flexible links to sensors, radios, and other MCUs

Deterministic 16‑bit MSP430 core: simple, efficient real‑time control

Wide supply range and robust reset/monitoring: stable operation across conditions

Mature TI ecosystem: tools, libraries, and long‑term support

Packaging

Device package type: 80‑LQFP (Low‑Profile Quad Flat Pack), body size 12 × 12 mm nominal

Mounting: Surface‑mount

Pin count and configuration: 80 leads total; 63 GPIO available, remaining pins for power, ground, clocks, and dedicated functions

Shipment packaging: Tube (ideal for prototyping and lower‑volume assembly)

Materials: Lead‑free molded epoxy body with copper leadframe (typical for LQFP), RoHS3 compliant

Thermal characteristics: −40°C to +85°C ambient operating; detailed thermal resistance (θJA/θJC) depends on board design—see datasheet for exact values

Electrical properties tied to package: 1.8 V to 3.6 V supply, internal oscillator; I/O electrical limits and ESD ratings are defined in the datasheet

Lifecycle

Current status: Active within the MSP430 FRAM lineup based on the latest public information

Equivalents/alternatives: Options depend on required memory size, I/O count, LCD needs, and package. Commonly considered alternatives within TI’s MSP430 FRAM families include:

- MSP430FR6989 (same FRAM technology, larger memory, LCD controller; different I/O and package options)

- MSP430FR5969 (FRAM MCU focused on low power with different peripheral mix and pin count)

- Other MSP430 FRAM FR69xx/FR59xx devices with varying memory and packages

Important note: Verify pinout, peripherals, and timing before substitution. For a curated, application‑specific cross list, contact our sales team via the Y-IC website.

Key Application Areas

Battery‑powered devices and wearables

Handheld meters and portable instrumentation

Industrial sensing and low‑power control nodes

Smart appliances and building automation

Medical/fitness devices with segmented LCD interfaces

Data loggers and asset tracking

Energy‑harvesting and ultra‑low‑power IoT endpoints

Datasheet

Y-IC hosts the most authoritative datasheet for MSP430FR6977IPN on our product page. We recommend downloading it here to get exact pinouts, electrical limits, timing, thermal data, and layout guidance.

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