Texas Instruments MSP430F477IPN

Mfr. Part

MSP430F477IPN

Manufacturer

Luminary Micro / Texas Instruments. Y-IC is a quality distributor of this brand. We are committed to delivering the best products and services, reliable supply, and expert support for your TI MSP430 needs.

Detailed Description

MSP430F477IPN is a 16-bit ultra-low-power microcontroller for battery-powered and handheld devices with segment LCDs. It integrates a 32KB Flash program memory (plus 256B info memory), 2KB RAM, a built-in LCD controller, rich analog blocks (5-channel 16-bit ADC and 1-channel 12-bit DAC), timers with PWM, watchdog timer, brown-out detect/reset, and an internal oscillator. It runs up to 8 MHz, offers 48 GPIOs, supports common serial interfaces (I2C via USCI/USI, SPI, UART/USART, IrDA, and LIN via UART with an external transceiver), and operates from 1.8V to 3.6V over -40°C to +85°C. Packaged in an 80-LQFP (12x12 mm), it belongs to the MSP430x4xx series. RoHS3 compliant.

Key Features

16-bit MSP430 CPU up to 8 MHz for fast, efficient processing

32KB Flash + 256B information memory and 2KB RAM for compact code and data storage

Integrated LCD controller for segment displays (reduces external components)

Analog integration: 5x16-bit ADC channels and 1x12-bit DAC for sensing and signal output

Serial connectivity: I2C (USCI/USI), SPI, UART/USART; IrDA; LIN supported through UART with external transceiver

Peripherals: PWM-capable timers, watchdog timer, brown-out detect/reset for robust operation

Internal oscillator; external crystal pins available (XIN/XOUT) for precision timing

48 general-purpose I/O pins for flexible interfacing

Low-power architecture with multiple sleep modes to extend battery life

Supply voltage range 1.8V to 3.6V; industrial temperature range -40°C to +85°C

Surface-mount 80-LQFP package compatible with automated assembly

MSP430x4xx ecosystem with mature tools and documentation

Key Advantages

Very low power consumption for long battery life in portable devices

Integrated LCD driver and analog blocks minimize BOM and PCB complexity

Simple, proven architecture and tools reduce development time and risk

Broad MSP430 family compatibility and migration paths for future designs

Reliable operation across industrial temperatures and brown-out conditions

Stable supply chain and long support history from Texas Instruments

Flexible connectivity covering common serial protocols and display needs

Packaging

Package type: 80-LQFP (Low-Profile Quad Flat Package), surface mount

Body size: 12 mm x 12 mm; low profile height typically about 1.4 mm

Pin pitch and configuration: 0.5 mm lead pitch, 80 leads across four sides; 48 pins usable as GPIO; dedicated pins for power (VCC/VSS), clocks (XIN/XOUT), LCD segments, JTAG/Spy‑Bi‑Wire debug

Materials: epoxy mold compound over copper leadframe; matte tin plated leads; RoHS3 compliant and lead-free

Supplier device package: 80-LQFP (12x12)

Thermal characteristics: operating ambient -40°C to +85°C; typical θJA for 80-LQFP is approximately 35–65°C/W depending on PCB layout and airflow (refer to datasheet for exact values)

Electrical properties: VCC 1.8V–3.6V; internal oscillator; ESD protection integrated; precise I/O levels, timing, and drive strengths detailed in datasheet

Shipping format: Tray packaging for safe handling and automated pick-and-place

Available stock: 3300 units currently listed

Lifecycle

Current status: Active and mature in the MSP430x4xx lineup. Not publicly announced for discontinuation at the time of writing, but considered legacy compared to newer MSP430FR FRAM devices. Availability can vary; plan for lifecycle management.

Closest TI pin-compatible or family alternatives:

- MSP430F476IPN (same family, LQFP-80, similar feature set)

- MSP430F478IPN (same family, LQFP-80, expanded resources)

- MSP430F479IPN (same family, LQFP-80, larger memory/peripherals)

Recommended TI modern alternatives (not pin-compatible, migration required):

- MSP430FR4133 (FRAM, integrated LCD driver, ultra-low power)

- MSP430FR4462 / MSP430FR4132 (FRAM, LCD segment driver variants)

- MSP430F5529 (more memory and peripherals, USB; for feature expansion)

Cross-vendor alternatives for similar low-power LCD applications (not pin-compatible):

- Renesas RL78/L12 or RL78/G13 with integrated LCD driver

- STMicroelectronics STM32L0 or STM32L4 with LCD segment controller

- Microchip PIC24FJ families with LCD and low power (e.g., PIC24FJ64GA610 series)

Important note: Pin-to-pin compatibility is most likely within MSP430F47x devices in 80-LQFP. Always verify pinout, LCD segment mapping, and peripheral differences in the datasheet before substitution.

If you need exact replacement guidance, lifecycle confirmation, or vetted equivalents, contact our sales team through the Y-IC website for the latest, authoritative support.

Key Application Areas

Handheld measurement tools and portable meters with segment LCDs

Digital thermostats, HVAC controllers, and building automation panels

Industrial sensors, data loggers, event counters, and status displays

Medical and wellness portable devices requiring long battery life

Home appliances, white goods, and consumer products with simple LCD UIs

Smart energy devices, timers, remote controls, and wearable indicators

Datasheet

Y-IC hosts the most authoritative and up-to-date datasheet for MSP430F477IPN. Download it from this page to get exact specifications, pinouts, timing, electrical limits, and design guidelines for reliable development.

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