MSP430FR2476TPT - 16MHz MCU 64KB FRAM 48-LQFP | Texas Instruments
N.º de pieza: MSP430FR2476TPT ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.95 | $3,95 |
| 10 | $3.55 | $35,50 |
| 100 | $2.95 | $295,00 |
| 500 | $2.45 | $1.225,00 |
| 1.000 | $1.97 | $1.970,00 |
| 2.500 | $1.81 | $4.525,00 |
MSP430FR2476TPT Descripción general
What is an MSP430 FRAM MCU? An MSP430 FRAM microcontroller is a 16-bit ultra-low-power MCU that uses Ferroelectric Random Access Memory (FRAM) instead of flash for non-volatile code and data storage. FRAM combines the speed of SRAM with the non-volatility of flash, enabling faster writes (100x faster than flash), higher endurance (10^15 write cycles vs 10^5 for flash), and unified memory for code/data, which simplifies firmware design and enables in-field data logging at high rates. FRAM MCUs sit in the broader taxonomy: microcontroller -> embedded MCU -> 16-bit MCU -> ultra-low-power MCU -> MSP430 family -> FRAM value line.
Key features of the MSP430FR2476TPT include: 16 MHz CPU16 core, 64.5KB (64K x 8) FRAM program/data memory, 8KB SRAM, an integrated 12-bit SAR ADC with multiple channels, an analog comparator, hardware UART/SPI/I2C, multiple 16-bit timers, and an intelligent digital peripherals interface. The device ships in a 48-pin LQFP (7x7 mm) package suitable for low-cost PCB designs.
The architecture centers on a 16-bit RISC core optimized for low active current and ultra-low standby current, enabling years of operation on a single coin cell. FRAM enables byte-addressable non-volatile storage with near-instant write times, allowing data logging and wireless firmware updates without the erase-then-write cycle penalty of flash. The 12-bit ADC supports internal voltage reference and temperature sensor channels for direct sensor interfacing.
Typical applications for the MSP430FR2476TPT include battery-powered sensor nodes, IoT end nodes, low-cost data loggers, energy-harvesting devices, smoke/CO detectors, smart thermostats, fitness wearables, and home automation peripherals. The combination of low cost, ultra-low power, and integrated analog peripherals makes it well suited for always-on sensing applications where energy budget is measured in microwatts.
When designing with the MSP430FR2476TPT, follow the MSP430 hardware user's guide for SVS threshold settings, decoupling capacitor placement, and JTAG/SBW programming connections. Use the MSP-TS430PZ48 target board for development and the free MSP430Ware/Code Composer Studio toolchain for code development. Pay attention to the SVS minimum supply voltage restriction to avoid brown-out at low VCC.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not consolidated in the manufacturer datasheet. The MSP430FR2476TPT is a member of the wider MSP430FR247x family and shares the same 48-LQFP (TPT) footprint across the TPT and TPTR tape-and-reel variants.
Alternativas directas para MSP430FR2476TPT — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con MSP430FR2476TPT (mismo factor de forma y huella) — difiere en ADC, Core, Family, MSL Level, Maximum Clock Frequency.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MSP430FR2476TPTR
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MSP430FR2475TPT
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MSP430FR2355TPTR
✅ Sustitución directa✓ En stock
$3.2 / unidad
Ver hoja de datos →MSP430FR2476TPT Valores máximos y características eléctricas
| Core | MSP430 CPU16 (16-bit RISC) |
| Frecuencia de reloj máxima | 16 MHz |
| Program Memory (FRAM) | 64.5 KB (64K x 8) |
| SRAM | 8 KB |
| Supply Voltage Range | 1.8 V to 3.6 V (SVS-restricted) |
| ADC | 12-bit SAR, multi-channel |
| Comparator | Yes (integrated) |
| Communication Interfaces | UART, SPI, I2C |
| Timers | Multiple 16-bit timers |
| Encapsulado | 48-pin LQFP (TPT), 7x7 mm |
| Tipo de montaje | Surface Mount |
| Temperatura de funcionamiento | -40 C to +85 C |
| Nivel MSL | 3 (168 hours) |
| Estado RoHS | Compliant |
| Family | MSP430FRxx value line, FRAM-based |
Configuración de pines de MSP430FR2476TPT
| Pin 1 | P1.0/TA0CLK/ACLK — GPIO P1.0 / Timer_A0 clock input / ACLK output |
| Pin 2 | P1.1/TA0.0 — GPIO P1.1 / Timer_A0 CCR0 capture/compare |
| Pin 3 | P1.2/TA0.1 — GPIO P1.2 / Timer_A0 CCR1 |
| Pin 4 | P1.3/TA0.2 — GPIO P1.3 / Timer_A0 CCR2 |
| Pin 5 | P1.4/TA0.3 — GPIO P1.4 / Timer_A0 CCR3 |
| Pin 6 | P1.5/TA0.4 — GPIO P1.5 / Timer_A0 CCR4 |
| Pin 7 | P1.6/TA0.5 — GPIO P1.6 / Timer_A0 CCR5 |
| Pin 8 | P1.7/TA0.6 — GPIO P1.7 / Timer_A0 CCR6 |
| Pin 9 | P2.0/RTCCLK — GPIO P2.0 / RTC clock output |
| Pin 10 | P2.1 — GPIO P2.1 |
| Pin 11 | P2.2 — GPIO P2.2 |
| Pin 12 | P2.3 — GPIO P2.3 |
| Pin 13 | P2.4 — GPIO P2.4 |
| Pin 14 | P2.5 — GPIO P2.5 |
| Pin 15 | P2.6 — GPIO P2.6 |
| Pin 16 | P2.7 — GPIO P2.7 |
| Pin 17 | P3.0 — GPIO P3.0 |
| Pin 18 | P3.1 — GPIO P3.1 |
| Pin 19 | P3.2 — GPIO P3.2 |
| Pin 20 | P3.3 — GPIO P3.3 |
| Pin 21 | P3.4 — GPIO P3.4 |
| Pin 22 | P3.5 — GPIO P3.5 |
| Pin 23 | P3.6 — GPIO P3.6 |
| Pin 24 | P3.7 — GPIO P3.7 |
| Pin 25 | P4.0 — GPIO P4.0 |
| Pin 26 | P4.1 — GPIO P4.1 |
| Pin 27 | P4.2 — GPIO P4.2 |
| Pin 28 | P4.3 — GPIO P4.3 |
| Pin 29 | P4.4 — GPIO P4.4 |
| Pin 30 | P4.5 — GPIO P4.5 |
| Pin 31 | P4.6 — GPIO P4.6 |
| Pin 32 | P4.7 — GPIO P4.7 |
| Pin 33 | TEST/SBWTCK — Test mode / Spy-Bi-Wire TCK (debug) |
| Pin 34 | RST/NMI/SBWTDIO — Reset / NMI / Spy-Bi-Wire TDIO (debug) |
| Pin 35 | P5.0 — GPIO P5.0 |
| Pin 36 | P5.1 — GPIO P5.1 |
| Pin 37 | P5.2 — GPIO P5.2 |
| Pin 38 | P5.3 — GPIO P5.3 |
| Pin 39 | P5.4 — GPIO P5.4 |
| Pin 40 | P5.5 — GPIO P5.5 |
| Pin 41 | P5.6 — GPIO P5.6 |
| Pin 42 | P5.7 — GPIO P5.7 |
| Pin 43 | AVCC — Analog supply voltage |
| Pin 44 | AVSS — Analog ground |
| Pin 45 | DVCC — Digital supply voltage |
| Pin 46 | DVSS — Digital ground |
| Pin 47 | VCORE — Decoupling for internal core voltage regulator |
| Pin 48 | NC — Not connected (per datasheet) |
Aplicaciones típicas
MSP430FR2476TPT es adecuado para 7 aplicacións: Battery-Powered IoT Sensor Nodes, Industrial Sensor Transmitters, Low-Cost Data Loggers, Energy-Harvesting Devices, Home Automation Peripherals, Wearable Fitness and Health Monitors, Smart Metering Endpoints.
Battery-Powered IoT Sensor Nodes
The MSP430FR2476TPT's 16 MHz CPU16 core, 64KB FRAM, 8KB SRAM, and 12-bit ADC make it ideal for wireless battery-powered sensor nodes in IoT deployments. Its ultra-low standby current (sub-uA range per TI datasheet) combined with FRAM's 10^15 write endurance enables multi-year operation on a coin cell. Designers pair the MCU with sub-GHz or BLE transceivers and use the integrated 12-bit ADC for direct sensor readout, eliminating external analog front-end cost. The 1.8-3.6V supply range supports 2xAA and coin-cell battery stacks.
Recomendado
Industrial Sensor Transmitters
For 4-20 mA loop-powered or 24V industrial sensor transmitters, the MSP430FR2476TPT provides 12-bit ADC accuracy, integrated analog comparator for threshold detection, and UART/SPI/I2C for digital sensor interfacing. The wide 1.8-3.6V supply and -40C to +85C operating range suit industrial environments. FRAM allows in-field data logging and calibration storage without the endurance constraints of flash, enabling 10+ year field deployments. The 48-LQFP (TPT) 7x7 mm package fits standard industrial sensor housings.
Recomendado
Low-Cost Data Loggers
The MSP430FR2476TPT's 64KB unified FRAM enables up to 64KB of contiguous non-volatile log storage with byte-level writes at 100x flash speed, ideal for time-stamped data logging in low-cost standalone loggers. The 12-bit ADC supports multi-channel temperature, pressure, or vibration logging, and the integrated timers drive accurate RTC-based sample intervals. Power consumption in standby (with RTC) drops to sub-uA, allowing months of logging from a single CR2032 cell.
Recomendado
Energy-Harvesting Devices
Energy-harvesting wireless switches, structural-health monitors, and HVAC sensors benefit from the MSP430FR2476TPT's sub-uA standby current and 1.8V minimum supply, which can operate directly from a low-voltage harvester output. FRAM's fast writes enable immediate storage of harvested energy events without buffering in RAM. The integrated 12-bit ADC reads harvester voltage and sensor signals with sufficient accuracy for closed-loop energy management. The 48-LQFP (TPT) is small enough for harvest-in-a-box designs.
Recomendado
Home Automation Peripherals
The MSP430FR2476TPT fits home automation peripherals such as battery-powered door/window sensors, occupancy detectors, and HVAC zone controllers. Its integrated 12-bit ADC, analog comparator, and UART/SPI/I2C peripherals enable direct interface with PIR sensors, temperature/humidity sensors, and digital HVAC actuators. FRAM supports over-the-air firmware updates and stores configuration without flash write-cycle limits. The 48-LQFP (TPT) supports hand-solderable designs for prototyping and low-volume production runs.
Recomendado
Wearable Fitness and Health Monitors
The MSP430FR2476TPT's small 48-LQFP (TPT) 7x7 mm package, ultra-low power, and 12-bit ADC make it a strong fit for wearable fitness bands, heart-rate straps, and disposable health monitors. The 12-bit ADC samples PPG or ECG analog front-ends directly, while the integrated analog comparator supports motion-trigger wake-up. FRAM stores per-session exercise data and configuration with virtually unlimited write endurance, which flash-based MCUs cannot match for high-rate logging. Sub-uA standby supports weeks of operation on a coin cell.
Recomendado
Smart Metering Endpoints
For water, gas, and electricity sub-meters, the MSP430FR2476TPT provides 12-bit ADC for direct sensor readout (temperature, pulse counters via comparator, current shunts), 64KB FRAM for tamper-protected log storage, and ultra-low standby current for 10+ year battery life on a single lithium cell. UART/SPI/I2C interfaces support AMR modules and external displays. The 48-LQFP (TPT) is large enough to be hand-reworkable in the field. -40C to +85C operating range suits outdoor meter cabinets.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MSP430FR2476TPT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MSP430FR2476TPTR | MSP430FR2475TPT | MSP430FR2355TPTR |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 48-LQFP (TPT) 7x7 mm | 48-LQFP (TPT) - same | 48-LQFP (TPT) - same | 48-LQFP (TPT) - same |
| Core | MSP430 CPU16 16-bit RISC | MSP430 CPU16 16-bit RISC | MSP430 CPU16 16-bit RISC | MSP430 CPU16 16-bit RISC |
| Maximum Clock | 16 MHz | 16 MHz | 16 MHz | 16 MHz |
| FRAM | 64.5 KB (64K x 8) | 64.5 KB | 32 KB | 32 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB |
| Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| ADC | 12-bit SAR | 12-bit SAR | 12-bit SAR | 12-bit SAR |
Diferenciadores clave
- Largest FRAM (64 KB) in the FR247x family in 48-LQFP (TPT) package (frente a MSP430FR2475TPT)
- Same 12-bit SAR ADC and 8 KB SRAM as FR2355 with 2x the FRAM (frente a MSP430FR2355TPTR)
- Drop-in identical-die reel variant at no design cost (frente a MSP430FR2476TPTR)
Notas de diseño
The MSP430FR2476TPT supports 1.8 V to 3.6 V operation with SVS-restricted minimum. For battery-powered designs, configure SVS via SVSCTL to match your application's minimum VCC to prevent brown-out resets. Place a 1uF decoupling capacitor on DVCC close to the pin and a 0.1uF cap on AVCC, with a wide ground pour to minimize IR drop. Use the integrated LPM3.5/LPM4.5 low-power modes for sub-uA standby. The MSP430 hardware user's guide details the SVS threshold programming for coin-cell and energy-harvesting designs.
Place 0.1uF ceramic decoupling caps as close as possible to DVCC and AVCC pins, with 1uF bulk capacitors at the supply entry. Route analog AVCC/AVSS separately from noisy digital DVCC/DVSS using a star-ground or split-plane topology. Keep ADC input traces short and guarded with ground on both sides to minimize digital coupling. The TEST/SBWTCK and RST/NMI/SBWTDIO pins require direct access to the MSP-FET or MSP-TS430PZ48 target board for programming - do not place a buffer or series resistor on these traces without considering debugger signal integrity.
Avoid these common MSP430FR2476TPT design mistakes: (1) Operating below the SVS threshold without configuring the SVS levels for that voltage. (2) Forgetting to set the FRAM wait states at 16 MHz - the FRAM controller must be configured via FRCTL0 for proper operation. (3) Driving the RST pin with a strong external pull-up that overrides the internal reset - use a 47k external pull-up if needed. (4) For FRAM-intensive logging, consider the 64KB write endurance caveat at full speed; the 10^15 cycle spec assumes a typical use model. (5) Not enabling the SVS before relying on the internal voltage reference - allow SVS settling time.
Información de cumplimiento
RoHS compliant per TI product page. Not AEC-Q100 qualified - this part targets industrial/consumer/IoT, not automotive. For automotive, consider MSP430FR2476-Q1 variants if available.
