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Texas Instruments MSP430FR4133IPM

Name: MSP430FR4133IPM
Brand: Texas Instruments
SKU: MSP430FR4133IPM
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MSP430FR4133IPM

Manufacturer:: Texas Instruments

Category:: Microcontrollers

Package:: 64-LQFP

Datasheet:: MSP430FR4133IPM.pdf

Description:: IC MCU 16BIT 15.5KB FRAM 64LQFP

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Product details

Overview

MSP430FR4133IPM from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller featuring 15.5 KB FRAM (15 KB program + 512 B info), 2 KB RAM, 10-bit 200 ksps ADC, integrated LCD driver supporting up to 4×36 or 8×32 segments, and capacitive touch I/O on all 60 pins - deployed in battery-powered smart meters and portable medical devices.

For engineers reviewing the MSP430FR4133IPM datasheet, MSP430FR4133IPM pinout, MSP430FR4133IPM application, or MSP430FR4133IPM equivalent, key selection criteria include FRAM endurance (10¹⁵ write cycles), LPM3.5 current (15 nA shutdown), RTC + LCD operation in standby, and dual eUSCI modules for UART/I²C/SPI coexistence in space-constrained designs.

Technical Context

The MSP430FR4133IPM integrates a 16-MHz DCO with FLL-based frequency locking and ±1% accuracy at room temperature, paired with REFO (32 kHz), VLO (10 kHz), MODCLK, and external XT1 crystal support. Its clock system enables dynamic MCLK/SMCLK scaling via programmable prescalers (1–128 and 1/2/4/8).

Two Timer_A3 modules each provide three capture/compare registers (CCR0–CCR2), with CCR1/CCR2 externally accessible for PWM or input capture; CCR0 is internal-only for period timing. The RTC counter operates independently in LPM3.5, sustaining timekeeping while main logic remains powered down.

Key Specifications

Parameter	Value and Actual Design Meaning
Core Architecture	16-bit RISC CPU with constant generators; enables compact, high-efficiency code for resource-limited embedded firmware.
FRAM Capacity	15.5 KB nonvolatile memory (15 KB program + 512 B info); supports 10¹⁵ write cycles and radiation resistance without flash erase delays.
ADC Performance	10-bit SAR ADC with 10 channels, 200 ksps sample rate, and internal 1.5-V reference; suitable for sensor signal acquisition in metering.
Low-Power Modes	LPM4.5 draws 15 nA; LPM3.5 sustains RTC + LCD with <1 µA - enabling multi-year battery life in thermostats and glucose monitors.
LCD Driver	On-chip charge pump supports 4×36 or 8×32 segment LCDs; contrast adjustable in 0.06-V steps from 2.6 V to 3.5 V; all LCD pins software-configurable as SEG or COM.
Communication Peripherals	eUSCI_A0 (UART/IrDA/SPI) + eUSCI_B0 (SPI/I²C); enables simultaneous wired communication and sensor interface without external transceivers.
I/O Capability	60 GPIOs in 64-pin LQFP; all support capacitive touch sensing and wake-from-LPM interrupt on P1/P2 - eliminating need for dedicated touch controllers.

Pinout & Package

Package: 64-pin LQFP (PM), 10 mm × 10 mm body size, standard JEDEC footprint compatible with automated PCB assembly.

Pin/Terminal	Circuit Role	Design Meaning
RST/NMI/SBWTDIO	Reset / NMI / Debug Data	Single-pin multifunction interface for reset assertion, nonmaskable interrupt, and Spy-Bi-Wire debug data I/O - reduces debug footprint vs. full JTAG.
TEST/SBWTCK	Debug Clock	Spy-Bi-Wire clock input for programming and real-time debugging using two-wire interface - simplifies test fixture design.
P1.0–P1.7, P2.0–P2.7	Capacitive Touch I/O	16 pins with integrated capacitive sensing logic; enable direct button/slider implementation without external RC networks or dedicated ICs.
P4.3/LCDCAP0, P4.4/LCDCAP1	LCD Charge Pump	External capacitor connection points (0.1 µF) for on-chip charge pump - maintains LCD bias during LPM3.5 with no external voltage generator.
P4.1/XIN, P4.2/XOUT	XT1 Crystal Interface	Dedicated low-frequency crystal oscillator terminals supporting 32.768 kHz watch crystals for precision RTC operation.
eUSCI_A0 Pins (P1.0–P1.4)	UART/IrDA/SPI Signals	Configurable serial interface pins supporting asynchronous UART, IrDA modulation, or synchronous SPI master/slave - shared function reduces pin count.
eUSCI_B0 Pins (P5.0–P5.3)	I²C/SPI Signals	Dedicated I²C (SDA/SCL) and SPI (SIMO/SOMI/CLK/STE) signals - enables concurrent I²C sensor bus and SPI display interface.

Key Features

Feature	Design Value
Ferroelectric RAM (FRAM)	15.5 KB unified nonvolatile memory with ECC, configurable write protection, and 10¹⁵ endurance - eliminates flash wear leveling and enables logging at sensor sampling rates.
Ultra-Low-Power LCD Support	Integrated charge pump sustains LCD operation in LPM3.5 (<1 µA) - allows persistent display in battery-powered remote controls and meters without backlight or refresh overhead.
Capacitive Touch I/O	All 60 GPIOs support capacitive sensing with built-in signal processing - reduces BOM by removing external touch controller and associated analog front-end components.
Dual eUSCI Modules	eUSCI_A0 (UART/IrDA/SPI) + eUSCI_B0 (I²C/SPI) - permits simultaneous host communication (UART), sensor interface (I²C), and display control (SPI) without software multiplexing or peripheral contention.
RTC + Low-Power Timers	Independent 16-bit RTC counter and two Timer_A3 modules with external CCR1/CCR2 - enables precise time-stamped data logging and dual PWM generation for motor/solenoid control.

Applications

Smart Utility Metering	Portable Medical Monitoring
Use Scenario: Gas/water/heat meter with LCD display, tamper detection, and periodic RF transmission of consumption data. IC Role / Device Role / Timing Role: Primary MCU managing sensor readout (ADC), LCD update, RTC-based billing intervals, and low-power wake-up for radio transmission. Use Value: FRAM enables secure, wear-free storage of metering logs; LPM4.5 extends battery life beyond 10 years; integrated LCD driver eliminates external bias IC.	Use Scenario: Handheld blood glucose monitor with touch interface, LCD readout, and USB/Bluetooth data export. IC Role / Device Role / Timing Role: System-on-chip handling strip sensor ADC conversion, capacitive button decoding, contrast-adjusted LCD drive, and USB CDC communication. Use Value: All-GPIO capacitive touch removes overlay controller; 10-bit ADC meets ISO 15197 accuracy requirements; FRAM stores calibration coefficients and usage history securely.
Thermostatic Control	IR Remote Control
Use Scenario: Battery-powered HVAC thermostat with ambient temperature/humidity sensing, LCD UI, and wireless connectivity. IC Role / Device Role / Timing Role: Central controller acquiring sensor data via ADC, driving segmented LCD, managing RTC-based scheduling, and interfacing with sub-GHz transceiver. Use Value: LPM3.5 maintains RTC and LCD while consuming <1 µA - enables coin-cell operation for >2 years; IR modulation logic offloads CPU during remote command transmission.	Use Scenario: Universal learning remote with LCD menu, IR emitter array, and button matrix. IC Role / Device Role / Timing Role: MCU executing IR carrier generation (38 kHz), button scan, LCD update, and EEPROM-like configuration storage. Use Value: Built-in IR modulation logic generates precise carrier without timer ISR overhead; FRAM stores learned codes with infinite rewrite cycles; 60 GPIOs support full keypad + LCD + IR LED drivers.

Smart Utility Metering

Portable Medical Monitoring

Use Scenario: Gas/water/heat meter with LCD display, tamper detection, and periodic RF transmission of consumption data.

IC Role / Device Role / Timing Role: Primary MCU managing sensor readout (ADC), LCD update, RTC-based billing intervals, and low-power wake-up for radio transmission.

Use Value: FRAM enables secure, wear-free storage of metering logs; LPM4.5 extends battery life beyond 10 years; integrated LCD driver eliminates external bias IC.

Use Scenario: Handheld blood glucose monitor with touch interface, LCD readout, and USB/Bluetooth data export.

IC Role / Device Role / Timing Role: System-on-chip handling strip sensor ADC conversion, capacitive button decoding, contrast-adjusted LCD drive, and USB CDC communication.

Use Value: All-GPIO capacitive touch removes overlay controller; 10-bit ADC meets ISO 15197 accuracy requirements; FRAM stores calibration coefficients and usage history securely.

Thermostatic Control

IR Remote Control

Use Scenario: Battery-powered HVAC thermostat with ambient temperature/humidity sensing, LCD UI, and wireless connectivity.

IC Role / Device Role / Timing Role: Central controller acquiring sensor data via ADC, driving segmented LCD, managing RTC-based scheduling, and interfacing with sub-GHz transceiver.

Use Value: LPM3.5 maintains RTC and LCD while consuming <1 µA - enables coin-cell operation for >2 years; IR modulation logic offloads CPU during remote command transmission.

Use Scenario: Universal learning remote with LCD menu, IR emitter array, and button matrix.

IC Role / Device Role / Timing Role: MCU executing IR carrier generation (38 kHz), button scan, LCD update, and EEPROM-like configuration storage.

Use Value: Built-in IR modulation logic generates precise carrier without timer ISR overhead; FRAM stores learned codes with infinite rewrite cycles; 60 GPIOs support full keypad + LCD + IR LED drivers.

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
MSP430FR4132IPM	8 KB program FRAM + 1 KB RAM; identical peripherals and package - reduced memory only.	Same LCD, ADC, and low-power capabilities; suitable where firmware size <8 KB and data logging volume is lower.	Select when cost sensitivity outweighs memory headroom; retains full pin and code compatibility.
MSP430FR2633IPW	CapTIvate™-optimized; 15 KB FRAM, 2 KB RAM, but only 43 GPIOs and no integrated LCD driver.	Superior capacitive touch performance (24-channel CapTIvate), but requires external LCD controller or segment driver IC.	Choose for touch-centric HMI where LCD is secondary; avoid if integrated LCD drive is required.

Compared with MSP430FR4132IPM and MSP430FR2633IPW, the MSP430FR4133IPM uniquely balances high FRAM capacity, full LCD integration, and universal capacitive touch across all I/O - making it optimal for cost-sensitive, display-rich metering and medical devices requiring long-term data retention.

Availability

MSP430FR4133IPM is available at Aetrix Electronics and suitable for smart utility metering, portable medical monitoring, thermostatic control, and IR remote control applications requiring stable component supply and long-term industrial availability.

Supply support for MSP430FR4133IPM 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 for industrial, automotive, and consumer markets.

The MSP430FR41xx product line targets ultra-low-power LCD-based applications such as smart meters and portable medical devices, combining FRAM nonvolatility with integrated analog peripherals and capacitive touch capability.

FAQ

What is the maximum operating frequency of the MSP430FR4133IPM?

The MSP430FR4133IPM features a digitally controlled oscillator (DCO) with frequency-locked loop (FLL) that delivers a maximum system clock (MCLK) of 16 MHz. This frequency is achievable across the full recommended operating voltage range (1.8 V to 3.6 V) and supports active-mode execution at 126 µA/MHz, enabling responsive real-time control in power-constrained systems.

Does the MSP430FR4133IPM support external crystal oscillators?

Yes, the MSP430FR4133IPM supports an external 32.768-kHz crystal oscillator via dedicated XIN/XOUT pins (P4.1/P4.2). This enables high-accuracy real-time clock (RTC) operation independent of the internal DCO or REFO, critical for time-stamped metering and scheduling in thermostats and medical devices.

How many LCD segments can the MSP430FR4133IPM drive?

The MSP430FR4133IPM supports up to 4×36 or 8×32 segment LCD configurations - totaling 144 or 256 segments respectively. Its integrated charge pump sustains LCD bias in LPM3.5 mode, allowing persistent display with <1 µA current draw, ideal for battery-powered remote controls and utility meters.

What type of memory technology does the MSP430FR4133IPM use?

The MSP430FR4133IPM uses ferroelectric RAM (FRAM) for its main memory: 15 KB program FRAM + 512 B information FRAM. This nonvolatile memory offers 10¹⁵ write cycles, fast write speeds (no erase required), radiation resistance, and unified addressing - eliminating flash limitations in data-logging and firmware-update scenarios.

Can all GPIO pins on the MSP430FR4133IPM be used for capacitive touch sensing?

Yes, all 60 general-purpose I/O pins on the MSP430FR4133IPM support capacitive touch sensing functionality. This capability is implemented in hardware with built-in signal processing, enabling robust button, slider, and proximity detection without external components or dedicated touch controller ICs.

What communication interfaces are integrated into the MSP430FR4133IPM?

The MSP430FR4133IPM integrates two enhanced universal serial communication interfaces: eUSCI_A0 supports UART, IrDA, and SPI; eUSCI_B0 supports SPI and I²C. These peripherals operate independently, allowing concurrent use - for example, UART for host communication, I²C for sensor reading, and SPI for display control - without resource conflict.

MSP430FR4133IPM Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Package/Case:: 64-LQFP

Series:: MSP430™ FRAM

Packaging:: Tray

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:: 60

Program Memory Size:: 15.5KB (15.5K x 8)

Program Memory Type:: FRAM

EEPROM Size:: -

RAM Size:: 2K x 8

Voltage - Supply (Vcc/Vdd):: 1.8V ~ 3.6V

Data Converters:: A/D 10x10b

Oscillator Type:: Internal

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

MSP430FR4133IPM FAQ

1.How can I place an order for MSP430FR4133IPM through Aetrix?

Please submit a Request for Quotation (RFQ) for MSP430FR4133IPM 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 MSP430FR4133IPM reliable?

The price and inventory of MSP430FR4133IPM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR4133IPM is usually 5 days.

3.What payment methods are accepted for MSP430FR4133IPM?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR4133IPM transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MSP430FR4133IPM?

MSP430FR4133IPM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MSP430FR4133IPM 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 MSP430FR4133IPM?

For technical support, including MSP430FR4133IPM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR4133IPM requirements.

6.How does Aetrix verify that MSP430FR4133IPM is sourced from the original manufacturer or authorized distributors?

All MSP430FR4133IPM 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 MSP430FR4133IPM meets industry standards.

7.What is the process for return or replacement of MSP430FR4133IPM?

All MSP430FR4133IPM units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR4133IPM, 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 MSP430FR4133IPM part is unused and in its original packaging.

Return procedure for MSP430FR4133IPM:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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