Texas Instruments MSP430FR6977IPZ

Mfr. Part

MSP430FR6977IPZ

Manufacturer

Texas Instruments (Luminary Micro/Texas Instruments)

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Detailed Description

16-bit MSP430 FRAM microcontroller with 64KB FRAM program memory and 2KB RAM

Runs up to 16MHz on MSP430 CPUXV2 core with internal oscillator

100-pin LQFP package, 14mm x 14mm, surface-mount, tray packaging

63 general-purpose I/O pins for rich interfacing

Integrated 12-bit ADC with 16 channels for precise analog sensing

Built-in LCD controller, DMA, PWM, watchdog, brown-out detect, power-on reset

Interfaces include I2C, IrDA, SPI, UART/USART, SCI

Wide supply voltage 1.8V to 3.6V, industrial temperature range -40°C to 85°C

MSP430 FRAM series, RoHS3 compliant

Current available quantity listed: 2606 units

Key Features

16-bit MSP430 CPUXV2 core, up to 16MHz

64KB FRAM nonvolatile memory (fast writes, low energy, high endurance)

2KB RAM

63 GPIO pins

12-bit ADC with 16 input channels

Integrated LCD driver for segment displays

Peripherals: DMA, PWM, watchdog timer, brown-out detect, power-on reset

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

Internal oscillator

Supply voltage 1.8V to 3.6V

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

RoHS3 compliant

Key Advantages

FRAM memory writes are fast, low-power, and highly durable compared to flash

Ultra-low-power MSP430 architecture extends battery life

High I/O count in compact 100-pin LQFP simplifies complex designs

On-chip LCD controller reduces external components and board space

Rich analog and serial connectivity covers many application needs

Broad development ecosystem and tool support from TI

Reliable sourcing and strong support through Y-IC

Packaging

Type: 100-LQFP low-profile quad flat package

Material: Plastic epoxy mold package, Pb‑free and RoHS3 compliant, gull‑wing copper leads with tin finish

Size: 14mm x 14mm body, low profile height

Pin configuration: 100 leads on four sides, 63 GPIO available, multiple power and ground pins, typical fine-pitch LQFP lead spacing

Thermal characteristics: Operates -40°C to 85°C ambient; actual thermal resistance depends on PCB and airflow. Refer to datasheet for precise values.

Electrical properties: 1.8V to 3.6V supply, internal oscillator, up to 16MHz core speed, integrated 12-bit ADC. See datasheet for full limits and ratings.

Mounting: Surface mount, tray packaging

Supplier device package: 100-LQFP (14x14)

Lifecycle

Current status: Active in TI’s MSP430 FRAM family based on latest public information

Not currently near discontinuation to our knowledge. Always verify latest status on our website or with TI.

Equivalent or alternative models depend on required memory, I/O count, and peripherals. Examples for consideration:

- MSP430FR6989IPZ (FRAM MCU with LCD, higher memory, 100-pin LQFP)

- MSP430FR6979IPZ (FRAM MCU, similar family, 100-pin LQFP)

- MSP430FR6970IPZ, MSP430FR6972, MSP430FR6974, MSP430FR6975 (same family with varying features and memory sizes)

- MSP430FR5969 (FRAM MCU with fewer pins for more compact designs)

- MSP430F5529 (flash-based alternative with similar serial interfaces)

Pinouts and features vary. Check cross-compatibility in the datasheet and family guide. If you need a pin-for-pin drop-in, contact our sales team via the Y-IC website for detailed guidance.

Key Application Areas

Smart meters and utility displays with segment LCDs

Portable handheld instruments and data loggers

Industrial sensing, monitoring, and control

Building automation and HVAC controllers

Consumer appliances with low-power LCD interfaces

Medical and healthcare devices

Wearables and battery-powered IoT nodes

Energy harvesting and ultra-low-power sensor systems

Datasheet

Y-IC hosts the most authoritative datasheet for this MSP430FR6977IPZ model on our product page. We recommend downloading it now for the latest specifications, pinout, and design guidelines.

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