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Texas Instruments MSP430FR4132IG48
- Part No.:
- MSP430FR4132IG48
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 48-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
MSP430FR4132IG48.pdf
- Description:
- IC MCU 16BIT 8.5KB FRAM 48TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:250
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Product details
Overview
MSP430FR4132IG48 from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller featuring 8KB program FRAM + 512B information FRAM + 1KB RAM, integrated 10-bit ADC with 200 ksps sampling, and on-chip LCD driver supporting up to 4×24 or 8×20 segments - deployed in battery-powered smart meters and portable medical monitors.
For engineers reviewing the MSP430FR4132IG48 datasheet, MSP430FR4132IG48 pinout, MSP430FR4132IG48 application, or MSP430FR4132IG48 equivalent, key selection criteria include FRAM endurance (1015 write cycles), shutdown current (15 nA in LPM4.5), capacitive touch I/O capability, and TSSOP-48 package compatibility with space-constrained metering designs.
Technical Context
The MSP430FR4132IG48 implements a 16-bit RISC CPU with constant generators for code efficiency and integrates dual 16-bit Timer_A3 modules (TA0/TA1), each with three capture/compare registers - though only CCR1 and CCR2 are externally accessible. Its clock system combines a 16-MHz DCO with FLL, 32-kHz REFO, VLO, MODCLK, and external XT1 crystal support.
It features a unified FRAM memory architecture enabling simultaneous read/write, built-in ECC, configurable write protection, and radiation resistance. The low-power LCD driver includes an on-chip charge pump active in LPM3.5, allowing segment control via software-configurable SEG/COM pins and contrast adjustment in 0.06-V steps from 2.6 V to 3.5 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 16-bit RISC with constant generators; enables compact, energy-efficient firmware for sensor data acquisition and display control. |
| FRAM Memory | 8KB program + 512B info FRAM + 1KB RAM; supports 1015 write cycles and zero-write-delay nonvolatile storage. |
| ADC | 10-bit SAR, 10-channel, 200 ksps; includes internal 1.5-V reference and sample-and-hold for accurate analog sensing. |
| Low-Power Modes | Active: 126 µA/MHz @ 3 V; Standby (LPM3.5): <1 µA with RTC + LCD active; Shutdown (LPM4.5): 15 nA. |
| LCD Driver | Supports 4×24 or 8×20 segments; on-chip charge pump sustains display in LPM3.5 without external components. |
| Communication | eUSCI_A0 (UART/IrDA/SPI) + eUSCI_B0 (SPI/I²C); enables serial connectivity for metering telemetry and peripheral interfacing. |
| Package | TSSOP-48 (DGG), 12.5 mm × 6.1 mm; provides 44 GPIOs, all capacitive-touch capable, with 16 interrupt-capable pins (P1/P2). |
Pinout & Package
TSSOP-48 (DGG) package, 12.5 mm × 6.1 mm body size, with 44 general-purpose I/O pins - all configurable as capacitive touch inputs and 16 of which (P1.x/P2.x) support wake-up from low-power modes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / NMI input / SBW data I/O | Single-pin reset and debug interface; enables low-pin-count programming and fault recovery without dedicated JTAG pins. |
| TEST/SBWTCK | SBW test clock input | Provides clock signal for Spy-Bi-Wire debugging; eliminates need for full 4-wire JTAG in space-limited layouts. |
| P1.0–P1.7, P2.0–P2.7 | GPIO / Interrupt-capable I/O | 16 pins with wake-up capability from LPM3.5; all support capacitive touch sensing without external components. |
| P4.1/XIN & P4.2/XOUT | XT1 crystal oscillator terminals | Supports external 32-kHz crystal for precision RTC operation; requires no external load capacitors when used with TI-recommended crystals. |
| P4.3/LCDCAP0 & P4.4/LCDCAP1 | LCD charge pump external caps | Connect to 0.1-µF capacitor pair; enables on-chip charge pump to maintain LCD bias during standby (LPM3.5). |
| P5.0–P5.3 | eUSCI_B0 (I²C/SPI) | Configurable as I²C (SDA/SCL) or SPI (SIMO/SOMI/CLK/STE); supports communication with sensors, EEPROMs, or displays. |
| P1.4/MCLK/TCK/A4/VREF+ | Multi-function pin | Serves as main clock output (MCLK), JTAG TCK, analog input A4, and 1.5-V reference positive terminal - reducing external component count. |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 8KB program + 512B info FRAM with ECC, 1015 write endurance, and unified memory map - eliminates flash wear-out concerns in frequent-data-logging applications. |
| Ultra-Low-Power LCD Support | On-chip charge pump sustains LCD operation in LPM3.5 (<1 µA), with software-selectable SEG/COM assignment and 0.06-V contrast resolution - ideal for battery-powered displays. |
| Capacitive Touch I/O | All 44 GPIOs support capacitive touch sensing using integrated CSIO module; no external RC networks or dedicated touch controller required. |
| Dual Timer_A3 Modules | TA0 and TA1 each provide three capture/compare registers (CCR0–CCR2); CCR1/CCR2 exposed for PWM generation, input capture, or interval timing. |
| Integrated Analog Subsystem | 10-bit ADC with internal 1.5-V reference, 200 ksps sampling, and 10-channel single-ended input - enables direct sensor interfacing without external signal conditioning. |
Applications
| Smart Water Metering | Portable Blood Glucose Monitor |
|---|---|
Use Scenario: Battery-operated ultrasonic or mechanical flow measurement with LCD display and wireless telemetry. IC Role / Device Role / Timing Role: Central MCU managing ADC sampling, LCD refresh, real-time clock, low-power sleep scheduling, and UART-based RF module control. Use Value: 15 nA shutdown current extends 10-year battery life; FRAM enables reliable daily log storage without wear leveling overhead. |
Use Scenario: Handheld diagnostic device measuring glucose concentration from test strips, displaying results, and storing historical readings. IC Role / Device Role / Timing Role: Signal acquisition MCU performing analog front-end conditioning, 10-bit ADC conversion, LCD drive, and button/touch interface management. Use Value: Integrated 1.5-V reference and sample-and-hold ensure stable ADC accuracy across temperature; capacitive touch I/O replaces mechanical buttons. |
| Thermostat Control Unit | One-Time Password Token |
Use Scenario: HVAC zone controller with ambient temperature/humidity sensing, LCD UI, and IR remote interface. IC Role / Device Role / Timing Role: Mixed-signal controller executing sensor polling, PID computation, LCD update, and IR modulation logic for remote command transmission. Use Value: Built-in IR modulation logic offloads CPU during carrier generation; LPM3.5 mode maintains RTC and LCD while drawing <1 µA. |
Use Scenario: Cryptographic token generating time-based one-time passwords (TOTP) with LED or segmented LCD output. IC Role / Device Role / Timing Role: Secure timing engine synchronizing to internal RTC, executing cryptographic routines in FRAM-resident code, and driving 8×20 LCD segments. Use Value: Radiation-resistant FRAM prevents data corruption in high-noise environments; 16-MHz DCO ensures precise TOTP timebase accuracy. |
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 |
|---|---|---|---|
| MSP430FR4133IG48 | 15.5KB FRAM + 2KB RAM; identical TSSOP-48 package and pinout; same peripherals and low-power specs. | Higher memory headroom for larger firmware or extended data logging; suitable where future feature expansion is anticipated. | Select when >8KB code space or >1KB RAM is required; otherwise, MSP430FR4132IG48 offers optimal cost/memory balance. |
| MSP430FR2476TSSR | 16KB FRAM + 4KB RAM in 48-pin TSSOP; lacks integrated LCD driver and capacitive touch; adds 12-bit ADC and enhanced eUSCI. | Better suited for non-LCD sensor hubs or industrial controllers requiring higher-resolution analog acquisition. | Choose when LCD and touch are unnecessary and higher ADC resolution or larger memory is critical; not a drop-in replacement. |
Compared with MSP430FR4133IG48 and MSP430FR2476TSSR, the MSP430FR4132IG48 delivers the optimal trade-off of integrated LCD/touch capability, ultra-low shutdown current (15 nA), and sufficient FRAM for metering and medical firmware - without over-provisioning memory or sacrificing analog integration.
Availability
MSP430FR4132IG48 is available at Aetrix Electronics and suitable for smart metering, portable diagnostics, thermostat control, and secure token applications requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance.
Supply support for MSP430FR4132IG48 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 delivering analog, embedded processing, and connectivity solutions with deep expertise in ultra-low-power design and mixed-signal integration.
The MSP430FR41xx product line targets battery-powered LCD-based applications such as utility meters and portable medical devices, combining FRAM nonvolatility with sub-µA real-time operation and integrated analog peripherals.
FAQ
What is the maximum operating frequency of the MSP430FR4132IG48?
The MSP430FR4132IG48 features a digitally controlled oscillator (DCO) with frequency-locked loop (FLL) that supports up to 16 MHz operation. This maximum frequency is achievable across the full recommended operating voltage range (1.8 V to 3.6 V) and is specified with ±1% accuracy at room temperature using the on-chip reference. The MSP430FR4132IG48's clock system allows dynamic scaling between low-power and high-performance modes without external crystal dependency.
Does the MSP430FR4132IG48 support capacitive touch sensing on all I/O pins?
Yes, the MSP430FR4132IG48 supports capacitive touch sensing on all 44 general-purpose I/O pins. This capability is implemented via the integrated CapTIvate™-compatible CSIO module, eliminating the need for external RC networks or dedicated touch controller ICs. Each pin can be individually configured as a touch electrode, and the MSP430FR4132IG48 includes hardware-accelerated baseline tracking and noise filtering to ensure robust operation in noisy environments.
What LCD configurations does the MSP430FR4132IG48 support in its TSSOP-48 package?
In the TSSOP-48 package, the MSP430FR4132IG48 supports up to 4×24 or 8×20 segment LCD configurations. This is enabled by its integrated LCD controller with software-configurable SEG/COM assignment per pin and on-chip charge pump that maintains display functionality during LPM3.5 standby mode. The reduced pin count versus the 64-pin variant limits segment count but retains full contrast control (2.6 V–3.5 V in 0.06-V steps) and charge-pump operation.
How does the FRAM memory in the MSP430FR4132IG48 differ from traditional flash in terms of endurance and write speed?
The MSP430FR4132IG48 uses ferroelectric RAM (FRAM) with 1015 write cycle endurance - orders of magnitude higher than typical flash (105–106 cycles). It also enables true byte-level writes with zero write delay, eliminating flash erase blocks and wait states. This allows the MSP430FR4132IG48 to log sensor data or update configuration parameters continuously without wear leveling or buffering overhead - critical for battery-powered metering and medical applications.
What debug interface does the MSP430FR4132IG48 use, and how many pins are required?
The MSP430FR4132IG48 uses the two-wire Spy-Bi-Wire (SBW) interface for debugging and programming, requiring only RST/NMI/SBWTDIO and TEST/SBWTCK pins - no dedicated JTAG header needed. This reduces PCB footprint and simplifies layout for space-constrained designs. The SBW interface supports full-speed debugging, flash/FRAM programming, and real-time register inspection, and is compatible with TI's MSP-FET and standard IDEs like Code Composer Studio™.
MSP430FR4132IG48 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 48-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:
- 44
- 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:
MSP430FR4132IG48 FAQ
1.How can I place an order for MSP430FR4132IG48 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR4132IG48 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 MSP430FR4132IG48 reliable?
The price and inventory of MSP430FR4132IG48 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR4132IG48 is usually 5 days.
3.What payment methods are accepted for MSP430FR4132IG48?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR4132IG48 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR4132IG48?
MSP430FR4132IG48 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR4132IG48 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 MSP430FR4132IG48?
For technical support, including MSP430FR4132IG48 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR4132IG48 requirements.
6.How does Aetrix verify that MSP430FR4132IG48 is sourced from the original manufacturer or authorized distributors?
All MSP430FR4132IG48 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 MSP430FR4132IG48 meets industry standards.
7.What is the process for return or replacement of MSP430FR4132IG48?
All MSP430FR4132IG48 units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR4132IG48, 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 MSP430FR4132IG48 part is unused and in its original packaging.
Return procedure for MSP430FR4132IG48:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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