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Texas Instruments MSP430FR4132IG56R
- Part No.:
- MSP430FR4132IG56R
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 56-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
MSP430FR4132IG56R.pdf
- Description:
- IC MCU 16BIT 8.5KB FRAM 56TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,128
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Product details
Overview
MSP430FR4132IG56R from Texas Instruments is a 16-bit ultra-low-power FRAM microcontroller in 56-pin TSSOP package, featuring 8KB+512B FRAM, 1KB RAM, 10-bit ADC with 8 channels, integrated LCD driver supporting up to 4×30 or 8×26 segments, and dual enhanced USCI modules (UART/IrDA/SPI/I²C) - deployed in battery-powered smart meters and portable medical monitors.
For engineers reviewing the MSP430FR4132IG56R datasheet, MSP430FR4132IG56R pinout, MSP430FR4132IG56R application, or MSP430FR4132IG56R equivalent, key selection criteria include its 15 nA shutdown current (LPM4.5), on-chip LCD charge pump enabling LPM3.5 operation, capacitive touch I/O capability across all pins, and FRAM endurance of 1015 write cycles - critical for firmware-over-the-air updates and data logging in constrained environments.
Technical Context
The MSP430FR4132IG56R implements a 16-bit RISC CPU with constant generators and a digitally controlled oscillator (DCO) achieving ±1% accuracy at room temperature using internal reference; it supports sub-10 µs wake-up from LPM3.5 via RTC or pin interrupt. Its clock system integrates REFO (32 kHz), VLO (10 kHz), MODCLK, and external XT1 crystal support.
FRAM memory architecture unifies program, constants, and data storage with built-in ECC and configurable write protection; analog subsystem includes 10-bit SAR ADC with 200 ksps sample rate, internal 1.5-V reference, and software-configurable LCD segment/COM pins with 0.06-V contrast steps from 2.6 V to 3.5 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Architecture | 16-bit RISC core with 16 registers and constant generators - enables high code efficiency and deterministic real-time response. |
| FRAM Capacity | 8 KB program + 512 B information FRAM - nonvolatile, radiation-resistant, with 1015 write endurance for frequent data logging. |
| RAM Size | 1 KB SRAM - sufficient for real-time sensor buffering and stack depth in low-power metering applications. |
| ADC Resolution & Speed | 10-bit SAR ADC, 8 input channels, 200 ksps - supports simultaneous voltage, temperature, and sensor signal acquisition. |
| Low-Power Modes | LPM4.5 shutdown current = 15 nA; LPM3.5 LCD+RTC active = <1 µA - extends battery life to >10 years in sealed meter designs. |
| LCD Support | Up to 4×30 or 8×26 segments with on-chip charge pump - eliminates external bias circuitry and enables display retention during standby. |
| Communication Interfaces | eUSCI_A0 (UART/IrDA/SPI) + eUSCI_B0 (SPI/I²C) - enables dual-protocol connectivity for host MCU interfacing and sensor bus expansion. |
| Package & I/O | TSSOP-56 (DGG), 52 GPIO - all pins support capacitive touch sensing and interrupt wake-up from LPMs. |
Pinout & Package
Package: 56-pin TSSOP (DGG), body size 14 mm × 6.1 mm, lead pitch 0.5 mm, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / NMI Input / SBW Data I/O | Active-low reset with nonmaskable interrupt capability; shared with Spy-Bi-Wire debug interface for in-system programming. |
| TEST/SBWTCK | Test Mode Select / SBW Clock | Enables JTAG/SBW debug access; must be pulled high for normal operation; controls clock timing during programming. |
| P1.0–P1.7 | General-purpose I/O / ADC Inputs A0–A7 | Eight bidirectional pins with analog input capability; P1.0–P1.3 also serve as UCA0TXD/UCA0RXD/UCA0CLK/UCA0STE - enable UART bootloading. |
| P4.1/XIN & P4.2/XOUT | XT1 Crystal Oscillator Input/Output | Supports external 32-kHz crystal for precision RTC operation; requires external load capacitors per TI design guidelines. |
| P4.3/LCDCAP0 & P4.4/LCDCAP1 | LCD Charge Pump External Caps | Connect to 0.1-µF capacitor pair to generate internal LCD bias voltages - enables full-segment LCD operation in LPM3.5. |
| P5.0–P5.3 | UCB0STE/UCB0CLK/UCB0SIMO/UCB0SOMI | I²C master/slave interface pins - support SMBus-compatible communication with EEPROMs, sensors, and power monitors. |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | Unified 8KB+512B nonvolatile memory with ECC, 1015 write cycles, and zero write latency - eliminates flash erase delays and wear leveling overhead. |
| Integrated LCD Driver | Software-configurable SEG/COM assignment, contrast control in 0.06-V steps, and on-chip charge pump - reduces BOM count by 3–5 passive components. |
| Ultra-Low-Power Operation | 126 µA/MHz active current; <1 µA LPM3.5 (RTC+LCD); 15 nA LPM4.5 - enables coin-cell operation for >10-year deployments in utility meters. |
| Capacitive Touch I/O | All 52 GPIOs support capacitive touch sensing without external components - enables direct integration of user interface buttons in thermostats and medical devices. |
| Dual Enhanced USCI | eUSCI_A0 (UART/IrDA/SPI) + eUSCI_B0 (SPI/I²C) - allows concurrent serial communication with host MCU and peripheral sensors using independent clock domains. |
Applications
| Smart Utility Metering | Portable Medical Monitoring |
|---|---|
|
Use Scenario: Battery-powered water/gas/heat meters requiring decade-long field deployment with periodic wireless data upload and LCD display. IC Role / Device Role / Timing Role: Primary system controller managing sensor acquisition (flow, pressure, temperature), LCD refresh, RTC-based billing intervals, and UART/I²C comms to RF module. Use Value: FRAM enables secure firmware updates and tamper-proof event logging; LPM3.5 LCD+RTC mode sustains display and timekeeping at <1 µA - extending CR2032 life beyond 12 years. |
Use Scenario: Handheld blood glucose or blood pressure monitors with tactile UI, real-time sensor readout, and battery status indication. IC Role / Device Role / Timing Role: Sensor interface hub acquiring analog signals, driving segmented LCD, detecting button press via capacitive touch, and managing low-battery alerts. Use Value: All-GPIO capacitive touch eliminates mechanical switches; integrated 1.5-V reference ensures ADC accuracy across battery discharge; FRAM stores calibration coefficients and usage history without wear-out risk. |
| Remote Control Systems | Environmental Sensing Nodes |
|
Use Scenario: IR-based universal remotes with multi-protocol support (NEC, RC-5), LCD feedback, and long shelf-life requirements. IC Role / Device Role / Timing Role: IR modulation logic generator, LCD segment driver, and low-power wake-on-button interrupt controller - handles protocol encoding and display update autonomously. Use Value: On-chip IR modulation logic offloads timing-critical pulse generation from CPU; LPM4.5 shutdown at 15 nA enables >5-year shelf life on a single CR2025 cell. |
Use Scenario: Wireless temperature/humidity nodes in HVAC or industrial monitoring, operating from energy harvesters or small batteries. IC Role / Device Role / Timing Role: Analog front-end controller sampling sensors, performing local threshold detection, and triggering wake-up for data transmission via SPI/I²C to transceiver. Use Value: 10-bit ADC with internal reference provides stable measurements across supply voltage range (1.8–3.6 V); unified FRAM simplifies over-the-air configuration updates without flash management complexity. |
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 |
|---|---|---|---|
| MSP430FR4133IG56R | 15.5 KB FRAM, 2 KB RAM, 10 ADC channels, 60 GPIO - larger memory and full 10-channel ADC support. | Required for designs needing extended firmware space or additional analog inputs (e.g., multi-sensor gas meters). | Select when higher FRAM capacity or full 10-channel ADC is needed; same pinout and software compatibility as MSP430FR4132IG56R. |
| MSP430FR2152IPW20R | 2 KB FRAM, 1 KB RAM, 8-pin TSSOP20, no LCD driver - significantly smaller footprint and lower cost but lacks LCD and reduced I/O. | Suitable for simple sensor nodes without display, where PCB area and BOM cost are primary constraints. | Choose for minimal-footprint, display-free applications; not pin-compatible - requires layout revision and firmware adaptation. |
Compared with MSP430FR4133IG56R, the MSP430FR4132IG56R trades FRAM size and ADC channel count for lower cost while retaining identical LCD, capacitive touch, and ultra-low-power capabilities; versus MSP430FR2152IPW20R, it offers full LCD integration and 56-pin flexibility at the expense of package size and unit cost.
Availability
MSP430FR4132IG56R is available at Aetrix Electronics and suitable for smart metering, portable medical devices, remote controls, and environmental sensing applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for MSP430FR4132IG56R 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 leader specializing in analog, embedded processing, and connectivity technologies, with decades of expertise in ultra-low-power microcontrollers and energy-efficient system solutions.
The MSP430FR41xx product line targets battery-operated LCD-based measurement devices - combining FRAM nonvolatility, integrated peripherals, and sub-µA low-power modes to simplify design of utility meters, medical instruments, and consumer remotes.
FAQ
What is the maximum operating frequency of the MSP430FR4132IG56R?
The MSP430FR4132IG56R features a digitally controlled oscillator (DCO) with frequency-locked loop (FLL) capable of operating up to 16 MHz. This maximum frequency is achievable across the full recommended supply voltage range of 1.8 V to 3.6 V, and the DCO maintains ±1% accuracy at room temperature using the on-chip reference - enabling deterministic real-time execution in time-critical metering tasks within the MSP430FR4132IG56R.
Does the MSP430FR4132IG56R support external crystal oscillators?
Yes, the MSP430FR4132IG56R supports an external 32-kHz crystal oscillator via dedicated XIN (P4.1) and XOUT (P4.2) pins. This XT1 oscillator is used primarily for high-accuracy real-time clock (RTC) operation in LPM3.5 mode. The device also includes internal oscillators (REFO, VLO, MODCLK) for flexible clock sourcing - all fully configurable within the MSP430FR4132IG56R clock system.
How many LCD segments can the MSP430FR4132IG56R drive?
The MSP430FR4132IG56R supports up to 4×30 or 8×26 LCD segments in its 56-pin TSSOP package. This is fewer than the 64-pin variant's 4×36/8×32 capability due to reduced I/O count, but remains sufficient for standard alphanumeric displays in thermostats, meters, and medical handhelds - all managed by the integrated LCD controller with software-configurable SEG/COM mapping in the MSP430FR4132IG56R.
What debug interface does the MSP430FR4132IG56R use?
The MSP430FR4132IG56R uses the two-wire Spy-Bi-Wire (SBW) interface for debugging and programming, accessed through RST/NMI/SBWTDIO (pin 16) and TEST/SBWTCK (pin 17). This interface is compatible with TI's MSP-FET and LaunchPad development tools, supports full-speed emulation, and requires no dedicated debug pins - preserving all GPIO functionality in production firmware of the MSP430FR4132IG56R.
Is the MSP430FR4132IG56R pin-compatible with other members of the FR413x family?
Yes, the MSP430FR4132IG56R is pin-compatible with MSP430FR4133IG56R and MSP430FR4131IG56R in the same 56-pin TSSOP (DGG) package. They share identical pinouts, electrical characteristics, and peripheral mappings - allowing hardware reuse across variants differentiated only by FRAM/RAM size and ADC channel count, simplifying platform scaling within the MSP430FR4132IG56R family.
MSP430FR4132IG56R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 56-TFSOP (0.240", 6.10mm Width)
- Series:
- MSP430™ FRAM
- Packaging:
- Tape & Reel (TR)
- 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:
- 8.5KB (8.5K x 8)
- Program Memory Type:
- FRAM
- EEPROM Size:
- -
- RAM Size:
- 1K 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:
MSP430FR4132IG56R FAQ
1.How can I place an order for MSP430FR4132IG56R through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR4132IG56R 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 MSP430FR4132IG56R reliable?
The price and inventory of MSP430FR4132IG56R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR4132IG56R is usually 5 days.
3.What payment methods are accepted for MSP430FR4132IG56R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR4132IG56R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR4132IG56R?
MSP430FR4132IG56R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR4132IG56R 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 MSP430FR4132IG56R?
For technical support, including MSP430FR4132IG56R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR4132IG56R requirements.
6.How does Aetrix verify that MSP430FR4132IG56R is sourced from the original manufacturer or authorized distributors?
All MSP430FR4132IG56R 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 MSP430FR4132IG56R meets industry standards.
7.What is the process for return or replacement of MSP430FR4132IG56R?
All MSP430FR4132IG56R units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR4132IG56R, 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 MSP430FR4132IG56R part is unused and in its original packaging.
Return procedure for MSP430FR4132IG56R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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