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Texas Instruments MSP430FR4131IG56
- Part No.:
- MSP430FR4131IG56
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 56-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
MSP430FR4131IG56.pdf
- Description:
- IC MCU 16BIT 4.5KB FRAM 56TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:291
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Product details
Overview
MSP430FR4131IG56 from Texas Instruments is a 16-bit ultra-low-power FRAM microcontroller in 56-pin TSSOP package, featuring 4KB program FRAM + 512B information FRAM + 512B RAM, 8-channel 10-bit ADC, and integrated LCD driver supporting up to 4×30 or 8×26 segments. It operates from 1.8 V to 3.6 V and targets battery-powered metering and portable medical devices.
For engineers reviewing the MSP430FR4131IG56 datasheet, MSP430FR4131IG56 pinout, MSP430FR4131IG56 application, or MSP430FR4131IG56 equivalent, key selection criteria include its 15 nA shutdown current (LPM4.5), capacitive touch I/O capability across all pins, on-chip 16-MHz DCO with ±1% accuracy, FRAM endurance of 1015 write cycles, and support for SPI/I²C/UART via dual eUSCI modules.
Technical Context
The MSP430FR4131IG56 implements a 16-bit RISC CPU with constant generators for high code efficiency and integrates a programmable clock system with multiple oscillators: 16-MHz DCO (FLL-stabilized), 32-kHz REFO, 10-kHz VLO, and external XT1 crystal support. Its power management module enables sub-10 µs wake-up from LPM3.5 while maintaining RTC and LCD operation.
It features two Timer_A3 peripherals-each with three capture/compare registers-and a dedicated 16-bit RTC counter. The analog subsystem includes a 10-bit SAR ADC with 200 ksps sampling, internal 1.5-V reference, and sample-and-hold; the LCD controller uses an on-chip charge pump to sustain display in standby mode (LPM3.5).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 registers and constant generators; enables compact, energy-efficient firmware for embedded sensing. |
| Memory Configuration | 4KB program FRAM + 512B information FRAM + 512B RAM; unified nonvolatile memory with ECC and configurable write protection. |
| ADC Performance | 10-bit SAR ADC with 8 input channels, 200 ksps sample rate, and internal 1.5-V reference; supports precision sensor interfacing without external references. |
| Low-Power Modes | Active mode: 126 µA/MHz at 3 V; Standby (LPM3.5): <1 µA with RTC + LCD active; Shutdown (LPM4.5): 15 nA; enables multi-year battery life. |
| LCD Driver | Supports 4×30 or 8×26 segment configurations; on-chip charge pump sustains LCD in LPM3.5; each pin software-configurable as SEG or COM. |
| Communication Interfaces | eUSCI_A0 (UART/IrDA/SPI) and eUSCI_B0 (SPI/I²C); enables flexible host connectivity and sensor network integration. |
| Package & I/O | 56-pin TSSOP (DGG); 52 general-purpose I/O pins, all capacitive-touch capable; 16 interrupt-capable pins on P1/P2 for wake-up from low-power states. |
Pinout & Package
Package: 56-pin TSSOP (DGG), 14 mm × 6.1 mm body size, lead pitch 0.5 mm. Compatible with standard surface-mount assembly processes and reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / NMI Input / SBW Data I/O | Single-pin multifunction interface for device reset, nonmaskable interrupt, and Spy-Bi-Wire debug communication. |
| TEST/SBWTCK | Test Mode Select / SBW Clock Input | Enables JTAG-compatible debugging via 2-wire Spy-Bi-Wire; no dedicated JTAG header required. |
| P1.0–P1.7 | General-purpose I/O / ADC Inputs A0–A7 | Eight bidirectional pins with analog input capability; support capacitive touch sensing and timer capture/compare functions. |
| P4.1/XIN & P4.2/XOUT | XT1 Crystal Oscillator Input/Output | Supports external 32-kHz crystal for precise real-time clock operation; requires external load capacitors per layout guidelines. |
| P4.3/LCDCAP0 & P4.4/LCDCAP1 | LCD Charge Pump External Capacitor Terminals | Connect to 0.1-µF capacitor to enable on-chip charge pump for LCD bias generation in low-power modes. |
| P5.0–P5.3 | eUSCI_B0 Signals (STE, CLK, SIMO, SOMI) | Full SPI/I²C interface with slave select, clock, master-out-slave-in, and master-in-slave-out; supports sensor and peripheral interfacing. |
| P7.0–P7.5 | LCD Segment Outputs (L0–L5) | Dedicated segment drivers; software-configurable as SEG or COM; part of 4×30 or 8×26 LCD matrix support. |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 4KB program + 512B info FRAM with 1015 write endurance, ECC protection, and unified memory architecture eliminates flash erase delays. |
| Ultra-Low-Power Operation | 15 nA shutdown (LPM4.5) and <1 µA standby with RTC + LCD active-enables decade-scale battery life in sealed metering applications. |
| Integrated LCD Controller | On-chip charge pump sustains LCD in LPM3.5; contrast adjustable in 0.06-V steps from 2.6 V to 3.5 V; no external bias circuitry needed. |
| Capacitive Touch I/O | All 52 GPIOs support capacitive touch sensing without additional hardware-reduces BOM cost and simplifies front-panel design for thermostats and remotes. |
| Dual eUSCI Peripherals | eUSCI_A0 (UART/IrDA/SPI) and eUSCI_B0 (SPI/I²C) provide concurrent wired and wireless communication paths for data logging and remote control. |
Applications
| Smart Utility Metering | Portable Medical Devices |
|---|---|
Use Scenario: Battery-powered water, gas, or heat meters requiring long-term data logging, tamper detection, and local display. IC Role / Device Role / Timing Role: Primary system controller managing sensor acquisition (flow, temperature), LCD display, real-time billing timestamping, and secure data storage in FRAM. Use Value: 15 nA shutdown current extends battery life beyond 10 years; FRAM ensures reliable, wear-free storage of usage logs and calibration data. |
Use Scenario: Handheld blood glucose or blood pressure monitors needing accurate analog measurement, low-power display, and USB/IrDA data export. IC Role / Device Role / Timing Role: Signal acquisition controller with 10-bit ADC for sensor conditioning, LCD driver for patient interface, and UART for clinic data transfer. Use Value: Integrated 1.5-V reference and 200 ksps ADC deliver consistent measurement accuracy; LPM3.5 mode maintains display visibility during idle periods. |
| Consumer Remote Controls | Building Automation Thermostats |
Use Scenario: IR-based universal remotes with multi-device support, button backlighting, and battery status indication. IC Role / Device Role / Timing Role: IR modulation logic generator, capacitive touch decoder, and segmented LCD driver for status feedback and menu navigation. Use Value: On-chip IR modulation logic eliminates external encoder IC; all-GPIO capacitive touch reduces mechanical switch count and improves reliability. |
Use Scenario: Programmable wall-mounted thermostats with ambient sensing, HVAC control outputs, and graphical LCD interface. IC Role / Device Role / Timing Role: Environmental sensor hub (temperature/humidity), actuator driver interface, and real-time scheduler for heating/cooling cycles. Use Value: RTC counter with calendar support enables precise scheduling; FRAM stores user preferences and seasonal profiles without degradation over time. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FR4132IG56 | 8KB program FRAM + 1KB RAM; same 56-pin TSSOP package and peripheral set. | Higher memory headroom for firmware with larger UI stacks or extended sensor fusion algorithms. | Select when application requires >4KB code space or >512B RAM for buffer-intensive tasks like waveform capture or OTA updates. |
| MSP430FR2153IPW28 | 24-pin TSSOP; 8KB FRAM + 1KB RAM; no LCD driver; only 4-channel ADC; lacks eUSCI_B (I²C). | Targeted at simpler sensor nodes without display or I²C peripherals-lower pin count and BOM cost. | Choose for space-constrained, display-free designs where I²C is unnecessary and LCD functionality is omitted. |
Compared with MSP430FR4132IG56, the MSP430FR4131IG56 trades memory capacity for lower cost and footprint in display-integrated metering; versus MSP430FR2153IPW28, it delivers full LCD support and dual eUSCI interfaces at the expense of package size and pin count.
Availability
MSP430FR4131IG56 is available at Aetrix Electronics and suitable for smart utility metering, portable medical instrumentation, consumer remote controls, and building automation thermostats requiring stable component supply and long-term production continuity.
Supply support for MSP430FR4131IG56 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and personal electronics markets.
The MSP430FR41xx product line is designed for ultra-low-power, LCD-integrated applications in metering, healthcare, and consumer electronics-leveraging FRAM to eliminate flash wear-out and reduce system-level power overhead.
FAQ
What is the maximum operating frequency of the MSP430FR4131IG56?
The MSP430FR4131IG56 features a digitally controlled oscillator (DCO) with FLL stabilization, enabling a maximum system clock (MCLK) frequency of 16 MHz. This frequency is achievable across the full operating voltage range (1.8 V to 3.6 V) and supports real-time signal processing, high-speed ADC sampling, and responsive LCD updates without external clock sources.
Does the MSP430FR4131IG56 support I²C communication?
Yes, the MSP430FR4131IG56 supports I²C communication through its eUSCI_B0 module. Pins P5.0 (STE), P5.1 (CLK), P5.2 (SIMO/SDA), and P5.3 (SOMI/SCL) are multiplexed to implement full I²C master or slave functionality-enabling direct connection to temperature sensors, EEPROMs, or other I²C peripherals without level-shifting.
How many LCD segments can the MSP430FR4131IG56 drive?
The MSP430FR4131IG56 supports up to 4×30 or 8×26 segment LCD configurations-totaling 120 or 208 segments respectively. This is enabled by dedicated LCD segment (L0–L39) and common (R13, R23, R33) pins, with software-selectable SEG/COM assignment and on-chip charge pump operation in LPM3.5 mode.
What is the FRAM endurance specification for the MSP430FR4131IG56?
The MSP430FR4131IG56 provides 1015 write cycles for its FRAM memory-orders of magnitude higher than flash-based MCUs. This allows frequent data logging (e.g., hourly meter readings) over decades without memory wear-out, and eliminates erase-before-write delays during runtime operations.
Can the MSP430FR4131IG56 operate from a single 1.8-V supply?
Yes, the MSP430FR4131IG56 operates from 1.8 V to 3.6 V. At 1.8 V, it maintains full functionality-including 16-MHz DCO operation, ADC conversion, LCD driving (with reduced contrast range), and eUSCI communications-making it suitable for coin-cell or energy-harvesting power sources.
Is there hardware support for capacitive touch sensing on the MSP430FR4131IG56?
Yes, all 52 GPIO pins on the MSP430FR4131IG56 are capacitive-touch capable. The device includes built-in charge-transfer measurement logic and dedicated firmware libraries (e.g., CapTIvate™) to implement robust touch buttons, sliders, or proximity detection without external components or dedicated touch controller ICs.
MSP430FR4131IG56 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 56-TFSOP (0.240", 6.10mm Width)
- Series:
- MSP430™ FRAM
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, IrDA, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, LCD, POR, PWM, WDT
- Number of I/O:
- 52
- Program Memory Size:
- 4.5KB (4.5K x 8)
- Program Memory Type:
- FRAM
- EEPROM Size:
- -
- RAM Size:
- 512 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FR4131IG56 FAQ
1.How can I place an order for MSP430FR4131IG56 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR4131IG56 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MSP430FR4131IG56 reliable?
The price and inventory of MSP430FR4131IG56 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR4131IG56 is usually 5 days.
3.What payment methods are accepted for MSP430FR4131IG56?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR4131IG56 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR4131IG56?
MSP430FR4131IG56 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR4131IG56 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MSP430FR4131IG56?
For technical support, including MSP430FR4131IG56 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR4131IG56 requirements.
6.How does Aetrix verify that MSP430FR4131IG56 is sourced from the original manufacturer or authorized distributors?
All MSP430FR4131IG56 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MSP430FR4131IG56 meets industry standards.
7.What is the process for return or replacement of MSP430FR4131IG56?
All MSP430FR4131IG56 units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR4131IG56, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MSP430FR4131IG56 part is unused and in its original packaging.
Return procedure for MSP430FR4131IG56:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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