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Texas Instruments MSP430FR4133IG56R
- Part No.:
- MSP430FR4133IG56R
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 56-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
MSP430FR4133IG56R.pdf
- Description:
- IC MCU 16BIT 15.5KB FRAM 56TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:16,924
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Product details
Overview
MSP430FR4133IG56R from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller featuring 15.5 KB FRAM (15360 + 512 B), 2 KB RAM, 10-bit ADC with 8 channels, integrated LCD driver supporting up to 4×30 or 8×26 segments, and capacitive touch I/O on all 52 GPIO pins - designed for battery-powered smart metering and portable medical devices.
For engineers reviewing the MSP430FR4133IG56R datasheet, MSP430FR4133IG56R pinout, MSP430FR4133IG56R application, or MSP430FR4133IG56R equivalent, this page delivers verified technical context, package-specific pin functions, low-power mode current values, FRAM endurance specs, and real-world use cases in water/gas meters and glucose monitors - all grounded in TI's SLAS865F production datasheet.
Technical Context
The MSP430FR4133IG56R integrates a 16-MHz digitally controlled oscillator (DCO) with FLL, ±1% accuracy at room temperature, and supports multiple clock sources including REFO (32 kHz), VLO (10 kHz), MODCLK, and external XT1 crystal. Its power management module enables sub-1 µA standby (LPM3.5) with RTC and LCD active, and 15 nA shutdown (LPM4.5).
It features two Timer_A3 modules (TA0/TA1), each with three capture/compare registers (CCR0–CCR2), eUSCI_A0 (UART/IrDA/SPI) and eUSCI_B0 (SPI/I²C), CRC16 engine, and FRAM with built-in ECC and configurable write protection - all operating across 1.8–3.6 V supply range with SVS-limited minimum voltage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 registers and constant generators; enables high code efficiency for compact firmware in resource-constrained metering applications. |
| Memory Configuration | 15360 B program FRAM + 512 B information FRAM + 2048 B RAM; unified nonvolatile memory eliminates flash erase delays and supports 10¹⁵ write cycles. |
| ADC Performance | 10-bit SAR ADC with 8 input channels, 200 ksps sample rate, internal 1.5-V reference, and sample-and-hold - suitable for precision analog sensor interfacing. |
| Low-Power Modes | Active mode: 126 µA/MHz @ 3 V; LPM3.5: <1 µA with RTC + LCD active; LPM4.5: 15 nA - extends battery life in sealed utility meters. |
| LCD Driver | Supports 4×30 or 8×26 segment configurations; on-chip charge pump maintains LCD operation in LPM3.5; software-configurable SEG/COM per pin. |
| Package & I/O | TSSOP-56 (DGG); 52 general-purpose I/O pins, all capacitive-touch capable; 16 interrupt-capable pins (P1/P2) for wake-up from deep sleep. |
| Clock System | On-chip DCO (16 MHz), REFO (32 kHz), VLO (10 kHz), MODCLK, and XT1 crystal support; programmable MCLK/SMCLK prescalers enable precise peripheral timing control. |
Pinout & Package
TSSOP-56 (DGG) package, 14 mm × 6.1 mm body size, with 52 functional I/O pins and dedicated power/ground, reset, debug, and crystal terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / NMI Input / SBW Data I/O | Active-low reset initiation, nonmaskable interrupt source, and bidirectional data line for Spy-Bi-Wire programming and debugging. |
| TEST/SBWTCK | Test Mode Select / SBW Clock Input | Enables JTAG/SBW test mode; provides clock signal for serial debug interface - required for in-circuit programming. |
| DVCC / DVSS | Main Power Supply / Ground | Single digital/analog power pair; requires 4.7–10 µF bulk + 0.1 µF bypass capacitor per TI layout guidelines. |
| XIN / XOUT | XT1 Crystal Oscillator Input / Output | Connects to external 32-kHz crystal for accurate RTC timing; supports low-frequency crystal oscillator configuration per Section 8.12.3.1. |
| P1.0–P1.7 | General-Purpose I/O / Analog Inputs A0–A7 | 8-pin port with interrupt capability; supports ADC inputs A0–A7, UART (UCA0TXD/RXD), and JTAG signals (TDO/TDI/TMS/TCK). |
| P4.3/LCDCAP0 / P4.4/LCDCAP1 | LCD Charge Pump External Capacitor Terminals | Connect 0.1-µF capacitor between these pins to enable on-chip charge pump for LCD bias in LPM3.5 standby mode. |
| P5.0–P5.3 | eUSCI_B0 Signals (STE, CLK, SIMO, SOMI) | I²C master/slave or SPI interface pins; support SMBus-compatible communication with external sensors or EEPROMs. |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 15.5 KB nonvolatile memory with 10¹⁵ write endurance, ECC protection, and unified program/data storage - eliminates flash wear-out in frequent logging applications. |
| Capacitive Touch I/O | All 52 GPIO pins support capacitive sensing without external components - enables cost-effective touch-button interfaces in thermostats and remote controls. |
| Integrated LCD Driver | Drives up to 8×26 segments with internal charge pump; contrast adjustable in 0.06-V steps from 2.6–3.5 V - simplifies display integration in portable health monitors. |
| Ultra-Low-Power RTC | Real-time clock operates in LPM3.5 (<1 µA) with independent 32-kHz clock source - maintains timekeeping during battery-backed meter sleep cycles. |
| Fast Wake-Up | Sub-10 µs transition from LPM4.5 to active mode using DCO - enables responsive wake-on-event behavior in intermittent-sensing applications like gas meters. |
Applications
| Water Metering | Gas Metering |
|---|---|
Use Scenario: Battery-powered ultrasonic or magnetic flow meter with hourly pulse logging and tamper detection. IC Role / Device Role / Timing Role: Primary system controller managing ADC sampling, FRAM-based event logging, LCD display, and RTC-timed wake-up. Use Value: 15 nA LPM4.5 current enables >10-year battery life; FRAM endurance supports daily logging over product lifetime without wear-out. |
Use Scenario: Smart diaphragm gas meter with pressure/temperature compensation and wireless reporting every 15 minutes. IC Role / Device Role / Timing Role: Low-power host MCU coordinating sensor reads, CRC-protected data packaging, and eUSCI_B0 I²C communication to transceiver IC. Use Value: Integrated 10-bit ADC and hardware CRC reduce BOM count; LPM3.5 RTC+LCD mode enables local display without full wake-up. |
| Blood Glucose Monitoring | Thermostat Control |
Use Scenario: Handheld glucometer with electrochemical strip interface, LCD readout, and USB/Bluetooth data export. IC Role / Device Role / Timing Role: Signal acquisition controller performing analog front-end conditioning, ADC conversion, and FRAM-stored calibration data retrieval. Use Value: 1.5-V internal reference ensures stable ADC accuracy across battery discharge; capacitive touch I/O enables intuitive button-free UI design. |
Use Scenario: Residential HVAC thermostat with ambient temperature/humidity sensing, LCD menu navigation, and relay control. IC Role / Device Role / Timing Role: Central control unit managing sensor polling, PID computation, LCD refresh, and user input via capacitive touch keys. Use Value: Unified FRAM stores firmware, calibration tables, and usage logs in one memory space; 52 GPIOs support multi-sensor expansion and display segmentation. |
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 |
|---|---|---|---|
| MSP430FR4133IPM | 64-pin LQFP package; 60 I/Os; supports 4×36/8×32 LCD; higher pin count and larger footprint. | Preferred where board space allows and maximum LCD segment count or I/O expansion is needed. | Select MSP430FR4133IPM when requiring full 60 GPIOs or 4×36-segment LCD support; not pin-compatible with MSP430FR4133IG56R. |
| MSP430FR4132IG56 | Same TSSOP-56 package; 8 KB + 512 B FRAM; 1 KB RAM; identical peripheral set except reduced memory resources. | Suitable for cost-sensitive designs with lower firmware complexity and smaller data logging requirements. | Choose MSP430FR4132IG56 when application firmware fits within 8 KB FRAM and RAM needs are ≤1 KB - retains same pinout and LCD capability. |
Compared with MSP430FR4133IPM, the MSP430FR4133IG56R trades I/O count and LCD capacity for compact TSSOP packaging; versus MSP430FR4132IG56, it delivers 94% more FRAM and double the RAM - critical for firmware updates and extended data buffering in field-deployed meters.
Availability
MSP430FR4133IG56R is available at Aetrix Electronics and suitable for water metering, gas metering, and portable medical diagnostics requiring stable component supply, long-term lifecycle assurance, and TI-qualified industrial-grade reliability.
Supply support for MSP430FR4133IG56R 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 over 50 years of innovation in low-power microcontrollers and precision analog solutions.
The MSP430FR41xx product line was engineered specifically for ultra-low-power LCD-based measurement systems, combining FRAM nonvolatility, integrated peripherals, and sub-µA sleep modes to replace legacy flash-based MCUs in utility and healthcare applications.
FAQ
What is the maximum LCD segment count supported by the MSP430FR4133IG56R?
The MSP430FR4133IG56R supports up to 4×30 or 8×26 segment LCD configurations - fewer than the 64-pin variant due to reduced COM/SEG pin count in the TSSOP-56 package. This is confirmed in Table 6-1 of the SLAS865F datasheet, which specifies 4×30/8×26 for all IG56 variants. The LCD driver remains fully functional with on-chip charge pump and software-configurable segment/complement assignment.
Does the MSP430FR4133IG56R include hardware support for capacitive touch sensing?
Yes, the MSP430FR4133IG56R supports capacitive touch sensing on all 52 general-purpose I/O pins without external components. This capability is explicitly stated in Section 1 (Features) and Section 4 (Functional Block Diagram) of the datasheet, and leverages the device's built-in analog comparators and timer-based measurement logic - enabling robust touch-button interfaces in thermostats and remote controls.
What are the key low-power mode current specifications for the MSP430FR4133IG56R?
The MSP430FR4133IG56R achieves 126 µA/MHz in active mode, <1 µA in LPM3.5 (RTC + LCD active), and 15 nA in LPM4.5 (full shutdown). These values are measured at 3 V and 25°C per Section 8.7 and 8.8 of SLAS865F. The LPM3.5 current includes LCD charge pump operation, making it suitable for always-on display applications in battery-powered meters.
Can the MSP430FR4133IG56R operate from a single 3.0-V coin cell battery?
Yes, the MSP430FR4133IG56R operates across 1.8–3.6 V, fully supporting standard 3.0-V lithium coin cells. Its SVS circuitry ensures reliable brown-out detection down to ~1.8 V, and low-power modes maintain functionality even as battery voltage declines - validated in Section 8.3 (Recommended Operating Conditions) and Figure 8-19 (LPM3.5 current vs. VCC).
How does FRAM memory in the MSP430FR4133IG56R differ from traditional flash in terms of endurance and write speed?
The MSP430FR4133IG56R's FRAM offers 10¹⁵ write cycles - orders of magnitude higher than typical flash (10⁴–10⁵ cycles) - and performs writes at bus speed without erase delays. This enables real-time data logging in smart meters and eliminates wear-leveling firmware overhead. FRAM also provides inherent radiation resistance and magnetic immunity, as documented in Section 9.7 of the datasheet.
MSP430FR4133IG56R 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:
- 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 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FR4133IG56R FAQ
1.How can I place an order for MSP430FR4133IG56R through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR4133IG56R 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 MSP430FR4133IG56R reliable?
The price and inventory of MSP430FR4133IG56R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR4133IG56R is usually 5 days.
3.What payment methods are accepted for MSP430FR4133IG56R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR4133IG56R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR4133IG56R?
MSP430FR4133IG56R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR4133IG56R 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 MSP430FR4133IG56R?
For technical support, including MSP430FR4133IG56R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR4133IG56R requirements.
6.How does Aetrix verify that MSP430FR4133IG56R is sourced from the original manufacturer or authorized distributors?
All MSP430FR4133IG56R 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 MSP430FR4133IG56R meets industry standards.
7.What is the process for return or replacement of MSP430FR4133IG56R?
All MSP430FR4133IG56R units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR4133IG56R, 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 MSP430FR4133IG56R part is unused and in its original packaging.
Return procedure for MSP430FR4133IG56R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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