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Texas Instruments MSP430F4132IRGZR
- Part No.:
- MSP430F4132IRGZR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
MSP430F4132IRGZR.pdf
- Description:
- IC MCU 16BIT 8KB FLASH 48VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,245
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Product details
Overview
MSP430F4132IRGZR from Texas Instruments is an ultralow-power 16-bit RISC mixed-signal microcontroller with 8KB+256B flash, 512B RAM, integrated 10-bit 200-ksps ADC, LCD driver for up to 144 segments, and dual USCI modules (UART/IrDA/SPI + I²C/SPI). It operates from 1.8 V to 3.6 V and targets battery-powered sensor interfaces and portable metering.
For engineers reviewing the MSP430F4132IRGZR datasheet, MSP430F4132IRGZR pinout, MSP430F4132IRGZR application, or MSP430F4132IRGZR equivalent, key selection criteria include active-mode current (220 µA @ 1 MHz, 2.2 V), standby current (0.9 µA), wake-up time (<6 µs), LCD segment count support (144), and QFN-48 package compatibility with integrated charge-pump contrast control.
Technical Context
The MSP430F4132IRGZR implements a 16-bit RISC CPU with constant generator and 125-ns instruction cycle time, paired with FLL+ clock system supporting ACLK (32.768 kHz crystal or VLO), MCLK, and SMCLK. Its low-power architecture enables five software-selectable modes including LPM4 (0.1 µA off-mode with RAM retention).
It integrates Timer_A3 (3 capture/compare registers), Timer_A5 (5 capture/compare registers), Basic Timer with RTC calendar, analog comparator, supply voltage supervisor with programmable threshold, and brownout detection - all optimized for autonomous sensor node operation without external support circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 125-ns instruction cycle; enables efficient C code execution and deterministic real-time response in resource-constrained designs. |
| Flash / RAM | 8KB+256B flash memory + 512B RAM; sufficient for firmware with LCD UI, sensor acquisition, and communication stacks in compact embedded systems. |
| ADC Performance | 10-bit, 200-ksps SAR ADC with internal reference, sample-and-hold, autoscan, and DTC; supports concurrent multi-channel sensor sampling without CPU intervention. |
| Power Consumption | Active mode: 220 µA @ 1 MHz, 2.2 V; Standby: 0.9 µA; Off mode (RAM retention): 0.1 µA - enables multi-year battery life in coin-cell-powered devices. |
| LCD Driver | Integrated LCD_A controller with regulated charge pump, contrast control, and support for static/2-/3-/4-MUX displays up to 144 segments - eliminates external bias generation circuitry. |
| Communication Interfaces | USCI_A0 (UART/IrDA/SPI) + USCI_B0 (I²C/SPI); provides dual independent serial channels for sensor interfacing and host connectivity in space-limited layouts. |
| Wake-up Time | <6 µs from standby mode; enables rapid response to external interrupts while maintaining ultralow average power in duty-cycled applications. |
Pinout & Package
The MSP430F4132IRGZR is housed in a 48-pin QFN (RGZ) package with exposed thermal pad recommended to be connected to DVSS. Pin functions are multiplexed across digital I/O, analog inputs, timer capture/compare, USCI signals, LCD segment/common outputs, and JTAG/Spy-Bi-Wire debug interfaces.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / Nonmaskable Interrupt / Spy-Bi-Wire Data I/O | Primary reset input; also serves as bidirectional debug interface for programming and emulation without dedicated JTAG pins. |
| P1.0/TA0.0/S31 | Timer_A3 Capture/Compare / Segment Output | Configurable as general I/O, TA0.0 input/output, or LCD segment driver - supports flexible peripheral mapping in display-integrated designs. |
| P6.0/TA1.2/A2/CA4 | Timer_A5 Compare / ADC Input / Comparator Input | Shared function pin enabling simultaneous use of timer output, analog sensing (A2), and comparator reference (CA4) - reduces external signal routing. |
| P6.1/UCB0SOMI/UCB0SCL | USCI_B0 SPI MISO / I²C Clock | Dual-role pin for I²C master/slave clock or SPI slave data input - simplifies interface selection without PCB redesign. |
| P6.7/A7/CA7/SVSIN | ADC Input / Comparator Input / SVS Monitor | Enables analog monitoring of external voltage (A7), comparator threshold (CA7), or supply supervision (SVSIN) on single pin - critical for self-test and power integrity checks. |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow-Power Operation | Five configurable low-power modes (LPM0–LPM4) with sub-µA standby and 0.1 µA RAM-retention off mode - extends battery life in remote sensors and wearables. |
| Integrated LCD Driver | On-chip regulated charge pump with software-controllable contrast and support for 144-segment displays - eliminates external LCD bias IC and saves board space. |
| Dual USCI Modules | USCI_A0 (UART/IrDA/SPI) and USCI_B0 (I²C/SPI) operate independently - allows concurrent sensor bus (I²C) and host interface (UART) without arbitration or timing conflict. |
| Real-Time Clock Functionality | Basic Timer1 with calendar engine (leap-year aware, month-length compensation) - enables accurate timestamping and scheduled wake-up without external RTC chip. |
| On-Chip Emulation | Embedded Emulation Module (EEM) with Spy-Bi-Wire interface - supports full-speed debugging and flash programming using only two pins (RST/SBWTDIO). |
Applications
| Smart Thermostat Interface | Hand-Held Digital Multimeter |
|---|---|
Use Scenario: Local temperature/humidity sensing with LCD display and button-driven configuration. IC Role / Device Role / Timing Role: Central MCU managing sensor reads, LCD refresh, keypad scan, and low-power sleep scheduling. Use Value: Integrated 144-segment LCD driver and 10-bit ADC eliminate discrete bias and conversion components; 0.9 µA standby enables >5-year CR2032 battery life. | Use Scenario: Portable measurement tool acquiring voltage, current, and resistance with auto-ranging and segmented display. IC Role / Device Role / Timing Role: Signal acquisition controller with precision analog front-end, display management, and UART-based PC logging. Use Value: On-chip comparator and slope ADC enable analog signal conditioning; 200-ksps sampling supports fast auto-ranging; QFN-48 footprint fits compact handheld form factor. |
| Remote Wireless Sensor Node | Industrial Panel Meter |
Use Scenario: Battery-powered environmental monitor transmitting data via UART to LoRaWAN gateway. IC Role / Device Role / Timing Role: Sensor fusion processor with wake-on-interrupt, ADC oversampling, and burst-mode transmission. Use Value: Sub-6 µs wake-up ensures timely response to motion or threshold events; integrated UART with auto-baudrate detection simplifies interoperability with diverse gateways. | Use Scenario: DIN-rail mounted meter displaying real-time energy parameters with local push-button navigation. IC Role / Device Role / Timing Role: Display and I/O coordinator interfacing with isolated analog inputs and user controls. Use Value: Dedicated LCD common/segment drivers (COM0–COM3, R03–R33) support 4-MUX industrial displays; SVS and brownout protection ensure reliable operation in noisy factory environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F4152IRGZ | 16KB+256B flash (vs. 8KB), same RAM, peripherals, and package; identical pinout and electrical specs. | Suitable where firmware size exceeds 8KB or future feature expansion is anticipated without layout change. | Select when additional flash headroom is required for bootloader, OTA updates, or enhanced feature sets. |
| MSP430F2617TPM | Higher performance (16 MHz max), 100KB flash, 8KB RAM, but no integrated LCD driver and larger 64-pin QFP package. | Better suited for complex control algorithms or data logging; lacks native LCD support requiring external driver. | Choose when computational throughput or memory capacity outweighs LCD integration and ultra-low-power priority. |
Compared with MSP430F4152IRGZ, the MSP430F4132IRGZR offers identical peripheral set and power profile at lower flash cost; versus MSP430F2617TPM, it trades raw performance and memory for superior LCD integration and sub-µA standby - making it optimal for display-centric, battery-constrained applications.
Availability
MSP430F4132IRGZR is available at Aetrix Electronics and suitable for smart thermostats, handheld meters, remote sensor nodes, and industrial panel meters requiring stable component supply and long-term production continuity.
Supply support for MSP430F4132IRGZR 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 microcontroller innovation.
The MSP430F4132IRGZR belongs to the MSP430F41x2 ultralow-power mixed-signal MCU family, designed specifically for battery-operated instrumentation, portable medical devices, and LCD-displayed consumer electronics demanding extended runtime and high integration.
FAQ
What is the maximum operating frequency of the MSP430F4132IRGZR?
The MSP430F4132IRGZR supports a maximum CPU clock frequency of 8 MHz via the FLL+ module, with typical operation at 1 MHz for ultralow-power optimization. Its 16-bit RISC core achieves a 125-ns instruction cycle time at 8 MHz, enabling deterministic real-time execution. The device uses digitally controlled oscillator (DCO) and crystal-based clock sources (XT1, VLO) to maintain timing accuracy across voltage and temperature ranges without external PLL components. This frequency capability is fully supported in the MSP430F4132IRGZR's 48-pin QFN package.
Does the MSP430F4132IRGZR support hardware UART with auto-baudrate detection?
Yes, the MSP430F4132IRGZR's USCI_A0 module supports enhanced UART with hardware auto-baudrate detection, IrDA encoding/decoding, and synchronous SPI. This feature allows the MSP430F4132IRGZR to automatically synchronize to incoming serial streams without prior knowledge of baud rate - ideal for interoperability with legacy or variable-speed hosts. Auto-baud is implemented entirely in hardware, freeing CPU resources during initialization. The functionality is available on P1.0 (UCA0RXD) and P1.1 (UCA0TXD) pins in the RGZ package, and requires no external components.
How many LCD segments can the MSP430F4132IRGZR drive, and what MUX configurations are supported?
The MSP430F4132IRGZR integrates the LCD_A peripheral capable of driving up to 144 segments across static, 2-MUX, 3-MUX, and 4-MUX LCD configurations. It provides dedicated COM0–COM3 outputs and segment pins (e.g., P5.x, P6.x, P7.x) with software-controllable contrast via internal charge-pump regulation. The MSP430F4132IRGZR's LCD driver operates independently of the main CPU clock, allowing display refresh during low-power modes. All LCD timing, bias generation, and mux sequencing are handled on-chip - eliminating external LCD bias ICs and reducing BOM count in display-intensive applications.
What debug interface does the MSP430F4132IRGZR use, and how many pins are required?
The MSP430F4132IRGZR uses the Spy-Bi-Wire (SBW) interface for debugging and programming, requiring only two pins: RST/NMI/SBWTDIO and TEST/SBWTCLK. This 2-wire protocol replaces full 4-pin JTAG, conserving PCB space in the 48-pin QFN package. The Embedded Emulation Module (EEM) enables full-speed breakpoints, register inspection, and flash programming via standard tools like MSP-FET430UIF. SBW is electrically compatible with TI's production programmers (e.g., MSP-GANG430), ensuring seamless transition from development to manufacturing for the MSP430F4132IRGZR.
Is the MSP430F4132IRGZR pin-compatible with other members of the MSP430F41x2 family?
Yes, the MSP430F4132IRGZR is pin-compatible with the MSP430F4152IRGZ in the 48-pin QFN (RGZ) package - sharing identical pin assignments, electrical characteristics, and peripheral mappings. Both devices support the same USCI, ADC, timer, and LCD functions on corresponding pins. However, the MSP430F4132IRGZR is not pin-compatible with 64-pin QFP variants (e.g., MSP430F4132IPM) due to differing pin counts and USCI signal availability (USCI_B0 is disabled in 48-pin packages per SLAS648E). Always verify package-specific signal tables before migration.
MSP430F4132IRGZR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 48-VFQFN Exposed Pad
- Series:
- MSP430x4xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 8MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, LCD, POR, PWM, WDT
- Number of I/O:
- 40
- Program Memory Size:
- 8KB (8K x 8 + 256B)
- Program Memory Type:
- FLASH
- 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:
MSP430F4132IRGZR FAQ
1.How can I place an order for MSP430F4132IRGZR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F4132IRGZR 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 MSP430F4132IRGZR reliable?
The price and inventory of MSP430F4132IRGZR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F4132IRGZR is usually 5 days.
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MSP430F4132IRGZR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F4132IRGZR 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 MSP430F4132IRGZR?
For technical support, including MSP430F4132IRGZR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F4132IRGZR requirements.
6.How does Aetrix verify that MSP430F4132IRGZR is sourced from the original manufacturer or authorized distributors?
All MSP430F4132IRGZR 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 MSP430F4132IRGZR meets industry standards.
7.What is the process for return or replacement of MSP430F4132IRGZR?
All MSP430F4132IRGZR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F4132IRGZR, 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 MSP430F4132IRGZR part is unused and in its original packaging.
Return procedure for MSP430F4132IRGZR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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