MSP430FR2476TPT - 16MHz MCU 64KB FRAM 48-LQFP | Texas Instruments
MPN: MSP430FR2476TPT ✓ Hoạt độngMSP430FR2476TPT Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho MSP430FR2476TPT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MSP430FR2476TPT (cùng hình factor và footprint) — khác nhau ở ADC, Core, Family, MSL Level, Maximum Clock Frequency.
MSP430FR2476TPTR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MSP430FR2475TPT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MSP430FR2355TPTR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MSP430FR2476TPT Tỷ lệ tối đa & tính chất điện
| Core | MSP430 CPU16 (16-bit RISC) |
| Tần số xung maksimum | 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 |
| Hộp | 48-pin LQFP (TPT), 7x7 mm |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40 C to +85 C |
| Cấp MSL | 3 (168 hours) |
| Trạng thái RoHS | Compliant |
| Family | MSP430FRxx value line, FRAM-based |
Cấu hình chân MSP430FR2476TPT
| Chân 1 | P1.0/TA0CLK/ACLK — GPIO P1.0 / Timer_A0 clock input / ACLK output |
| Chân 2 | P1.1/TA0.0 — GPIO P1.1 / Timer_A0 CCR0 capture/compare |
| Chân 3 | P1.2/TA0.1 — GPIO P1.2 / Timer_A0 CCR1 |
| Chân 4 | P1.3/TA0.2 — GPIO P1.3 / Timer_A0 CCR2 |
| Chân 5 | P1.4/TA0.3 — GPIO P1.4 / Timer_A0 CCR3 |
| Chân 6 | P1.5/TA0.4 — GPIO P1.5 / Timer_A0 CCR4 |
| Chân 7 | P1.6/TA0.5 — GPIO P1.6 / Timer_A0 CCR5 |
| Chân 8 | P1.7/TA0.6 — GPIO P1.7 / Timer_A0 CCR6 |
| Chân 9 | P2.0/RTCCLK — GPIO P2.0 / RTC clock output |
| Chân 10 | P2.1 — GPIO P2.1 |
| Chân 11 | P2.2 — GPIO P2.2 |
| Chân 12 | P2.3 — GPIO P2.3 |
| Chân 13 | P2.4 — GPIO P2.4 |
| Chân 14 | P2.5 — GPIO P2.5 |
| Chân 15 | P2.6 — GPIO P2.6 |
| Chân 16 | P2.7 — GPIO P2.7 |
| Chân 17 | P3.0 — GPIO P3.0 |
| Chân 18 | P3.1 — GPIO P3.1 |
| Chân 19 | P3.2 — GPIO P3.2 |
| Chân 20 | P3.3 — GPIO P3.3 |
| Chân 21 | P3.4 — GPIO P3.4 |
| Chân 22 | P3.5 — GPIO P3.5 |
| Chân 23 | P3.6 — GPIO P3.6 |
| Chân 24 | P3.7 — GPIO P3.7 |
| Chân 25 | P4.0 — GPIO P4.0 |
| Chân 26 | P4.1 — GPIO P4.1 |
| Chân 27 | P4.2 — GPIO P4.2 |
| Chân 28 | P4.3 — GPIO P4.3 |
| Chân 29 | P4.4 — GPIO P4.4 |
| Chân 30 | P4.5 — GPIO P4.5 |
| Chân 31 | P4.6 — GPIO P4.6 |
| Chân 32 | P4.7 — GPIO P4.7 |
| Chân 33 | TEST/SBWTCK — Test mode / Spy-Bi-Wire TCK (debug) |
| Chân 34 | RST/NMI/SBWTDIO — Reset / NMI / Spy-Bi-Wire TDIO (debug) |
| Chân 35 | P5.0 — GPIO P5.0 |
| Chân 36 | P5.1 — GPIO P5.1 |
| Chân 37 | P5.2 — GPIO P5.2 |
| Chân 38 | P5.3 — GPIO P5.3 |
| Chân 39 | P5.4 — GPIO P5.4 |
| Chân 40 | P5.5 — GPIO P5.5 |
| Chân 41 | P5.6 — GPIO P5.6 |
| Chân 42 | P5.7 — GPIO P5.7 |
| Chân 43 | AVCC — Analog supply voltage |
| Chân 44 | AVSS — Analog ground |
| Chân 45 | DVCC — Digital supply voltage |
| Chân 46 | DVSS — Digital ground |
| Chân 47 | VCORE — Decoupling for internal core voltage regulator |
| Chân 48 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
MSP430FR2476TPT phù hợp cho 7 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
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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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MSP430FR2476TPT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Largest FRAM (64 KB) in the FR247x family in 48-LQFP (TPT) package (vsMSP430FR2475TPT)
- Same 12-bit SAR ADC and 8 KB SRAM as FR2355 with 2x the FRAM (vsMSP430FR2355TPTR)
- Drop-in identical-die reel variant at no design cost (vsMSP430FR2476TPTR)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
