Texas Instruments MSP430F4132IRGZT
- Part No.:
- MSP430F4132IRGZT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
MSP430F4132IRGZT.pdf
- Description:
- IC MCU 16BIT 8KB FLASH 48VQFN
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
MSP430F4132IRGZT from Texas Instruments is an ultralow-power 16-bit RISC mixed-signal microcontroller featuring 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 instrumentation.
For engineers reviewing the MSP430F4132IRGZT datasheet, MSP430F4132IRGZT pinout, MSP430F4132IRGZT application, or MSP430F4132IRGZT equivalent, key selection criteria include its 48-pin QFN (RGZ) package, standby current of 0.9 µA, wake-up time under 6 µs, integrated real-time clock via Basic Timer, and LCD contrast control capability.
Technical Context
The MSP430F4132IRGZT implements a 16-bit RISC CPU with constant generator and 125-ns instruction cycle, paired with FLL+ clock system supporting ACLK (32.768 kHz crystal), MCLK, and SMCLK. Its five low-power modes-including LPM4 with 0.1 µA off-mode (RAM retention)-are optimized for extended battery life in portable measurement systems.
It integrates Timer_A3 (3 capture/compare registers), Timer_A5 (5 capture/compare registers), Basic Timer with RTC functionality, analog comparator, supply voltage supervisor, and brownout detector. The USCI_A0 supports UART with auto-baudrate detection and IrDA; USCI_B0 supports I²C and SPI-but both are disabled in the 48-pin RGZ package per SLAS648E Rev. March 2011, page 5.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 125-ns instruction cycle and 16 general-purpose registers |
| Memory | 8KB+256B flash (main + info memory), 512B RAM - supports in-system programming and BSL via UART |
| Supply Voltage | 1.8 V to 3.6 V - enables direct operation from single-cell Li-ion or two-cell alkaline batteries |
| Power Consumption | Active mode: 220 µA at 1 MHz/2.2 V; Standby: 0.9 µA; Off mode (RAM retention): 0.1 µA |
| Analog Peripherals | 10-bit 200-ksps ADC with internal reference, sample-and-hold, autoscan, and DTC; on-chip comparator |
| LCD Support | Integrated LCD_A driver with regulated charge pump for up to 144 segments and software-adjustable contrast |
| Timers | Timer_A3 (3 CC), Timer_A5 (5 CC), Basic Timer with real-time clock calendar and leap-year correction |
Pinout & Package
Package: 48-pin QFN (RGZ), 7 mm × 7 mm, 0.5 mm pitch, thermal pad (DVSS-connected). Pin count and peripheral mapping differ from 64-pin QFP variants - notably, USCI_A0 and USCI_B0 are not available in this package per functional block diagram (SLAS648E p.5).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / NMI input / Spy-Bi-Wire data I/O | Primary reset vector; enables JTAG-less debugging and programming via 2-wire interface |
| TEST/SBWTCLK | Test mode select / Spy-Bi-Wire clock | Activates test logic for programming; connects to device protection fuse |
| P1.0/TA0.0/S31 | General I/O / Timer0_A3 capture/compare / LCD segment | Primary UART TX pin for BSL; supports timer-based PWM and LCD drive |
| P1.1/TA0.0/MCLK/S30 | General I/O / Timer0_A3 capture / MCLK output / LCD segment | Primary UART RX pin for BSL; provides system clock output for external sync |
| P6.0/TA1.2/A2/CA4 | General I/O / Timer1_A5 compare / ADC10 input A2 / Comparator_A input 4 | Shared analog/digital resource enabling sensor signal acquisition and timing control |
| P6.7/A7/CA7/SVSIN | General I/O / ADC10 input A7 / Comparator_A input 7 / SVS input | Supports multi-channel analog sensing and programmable supply voltage monitoring |
| LCDCAP/R33 | LCD charge pump capacitor connection | External capacitor node for regulated LCD bias generation - critical for stable contrast |
| AVCC / AVSS / DVCC / DVSS | Analog/digital power and ground rails | Separate analog/digital supplies reduce noise coupling into ADC and LCD circuits |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow-Power Operation | 0.1 µA off-mode (RAM retention) and sub-6 µs wake-up enable multi-year battery life in intermittent-sensing applications |
| Integrated LCD Driver | Drives up to 144 segments with software-controlled contrast and internal charge pump - eliminates external bias circuitry |
| Real-Time Clock (RTC) | Calendar-based RTC with leap-year compensation and month-length adjustment - implemented in Basic Timer module |
| On-Chip Analog Comparator | Configurable as slope ADC or threshold detector with internal reference - enables zero-power wake-on-event sensing |
| Bootstrap Loader (BSL) | UART-based flash programming without external hardware - uses P1.0/P1.1 and password protection |
Applications
| Portable Sensor Node | Smart Thermostat |
|---|---|
|
Use Scenario: Battery-powered temperature/humidity sensor transmitting data every 5 minutes via UART to gateway. IC Role / Device Role / Timing Role: Main controller executing sensor readout, RTC-triggered sampling, LCD display update, and low-power sleep management. Use Value: 0.9 µA standby current and 6 µs wake-up minimize energy per measurement cycle; integrated ADC and comparator eliminate external signal conditioning. |
Use Scenario: Wall-mounted HVAC controller with local LCD display, push-button interface, and ambient temperature regulation. IC Role / Device Role / Timing Role: System-on-chip managing button debouncing, LCD segment driving, PID loop timing, and real-time clock for scheduling. Use Value: Integrated 144-segment LCD driver reduces BOM cost; RTC with calendar support enables weekday-based heating profiles without external timekeeping. |
| Digital Multimeter | Handheld Metering Tool |
|
Use Scenario: 3½-digit handheld DMM with auto-ranging, hold function, and backlit LCD. IC Role / Device Role / Timing Role: Signal acquisition controller performing ADC sampling, range switching logic, LCD refresh, and low-battery detection. Use Value: 10-bit 200-ksps ADC with internal reference and autoscan supports rapid digitization; SVS monitors supply for accurate low-voltage cutoff. |
Use Scenario: Portable clamp meter with peak-hold, min/max logging, and segmented LCD readout. IC Role / Device Role / Timing Role: Mixed-signal processor handling analog front-end conditioning, timer-based sampling intervals, and LCD segment multiplexing. Use Value: Dual Timer_A modules enable simultaneous event timing (e.g., pulse width + period) while maintaining display refresh; 512B RAM stores logged measurements. |
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 48-pin QFN package, identical peripherals and power specs | Preferred where firmware complexity or future OTA updates require larger code space | Select MSP430F4152IRGZ when >8KB flash is needed without changing PCB layout or firmware architecture |
| MSP430F2617TRHBT | 116KB flash, 8KB RAM, enhanced ADC (200 ksps, 12-bit), but no integrated LCD driver and higher active current (360 µA) | Suited for high-precision data logging with external display; lacks native LCD support | Choose MSP430F2617TRHBT only if higher-resolution ADC and larger memory outweigh loss of LCD integration and increased power |
Compared with MSP430F4152IRGZ, the MSP430F4132IRGZ trades flash capacity for cost and footprint efficiency while retaining identical low-power behavior and LCD capability; versus MSP430F2617TRHBT, it prioritizes ultra-low power and display integration over raw processing headroom and ADC resolution.
Availability
MSP430F4132IRGZT is available at Aetrix Electronics and suitable for portable sensor nodes, smart thermostats, digital multimeters, and handheld metering tools requiring stable component supply across long-lifecycle industrial and consumer programs.
Supply support for MSP430F4132IRGZT 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 low-power microcontrollers and precision analog solutions.
The MSP430F4132IRGZT belongs to the MSP430F41x2 family - designed specifically for ultralow-power, LCD-integrated applications in battery-operated instrumentation, sensing, and human-interface devices.
FAQ
What is the maximum operating frequency of the MSP430F4132IRGZT?
The MSP430F4132IRGZT does not specify a maximum system clock frequency in its datasheet; instead, it guarantees a 125-ns instruction cycle time, implying reliable operation up to 8 MHz under typical conditions. Its FLL+ module dynamically adjusts the DCO to maintain timing accuracy across voltage and temperature, and the device achieves full performance within its 1.8 V–3.6 V supply range without requiring external high-frequency crystals for basic operation.
Does the MSP430F4132IRGZT support I²C communication?
No - the MSP430F4132IRGZT variant in the 48-pin QFN (RGZ) package does not support I²C. Although the broader MSP430F41x2 family includes USCI_B0 with I²C capability, SLAS648E (p.5) explicitly states that USCI_A0 and USCI_B0 are unavailable in RGZ-package devices. I²C functionality is only present in the 64-pin QFP (PM) variants like MSP430F4132IPM.
How many LCD segments can the MSP430F4132IRGZT drive?
The MSP430F4132IRGZT integrates the LCD_A peripheral capable of driving up to 144 segments using static, 2-MUX, 3-MUX, or 4-MUX configurations. This is confirmed in the functional block diagram (SLAS648E p.5) and supported by dedicated COM0–COM3 and segment pins (P5.x, P6.x, P7.x) mapped in the RGZ pinout - enabling full alphanumeric displays without external drivers.
Is the MSP430F4132IRGZT pin-compatible with the MSP430F4152IRGZ?
Yes - the MSP430F4132IRGZT and MSP430F4152IRGZ share identical 48-pin QFN (RGZ) packaging, pin assignments, and peripheral mappings. The only functional difference is flash memory size (8KB vs. 16KB); all I/O, timer, ADC, LCD, and power characteristics are identical, allowing direct substitution in existing designs where code size permits.
What debug interface does the MSP430F4132IRGZT support?
The MSP430F4132IRGZT supports Spy-Bi-Wire (SBW) debugging and programming via the RST/NMI/SBWTDIO and TEST/SBWTCLK pins - a 2-wire subset of JTAG. This enables full emulation, flash programming, and real-time debugging using TI's MSP-FET430UIF or compatible tools, without requiring a 4-pin JTAG header. No external voltage is needed for programming.
MSP430F4132IRGZT 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:
MSP430F4132IRGZT FAQ
1.How can I place an order for MSP430F4132IRGZT through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F4132IRGZT 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 MSP430F4132IRGZT reliable?
The price and inventory of MSP430F4132IRGZT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F4132IRGZT is usually 5 days.
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MSP430F4132IRGZT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F4132IRGZT 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 MSP430F4132IRGZT?
For technical support, including MSP430F4132IRGZT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F4132IRGZT requirements.
6.How does Aetrix verify that MSP430F4132IRGZT is sourced from the original manufacturer or authorized distributors?
All MSP430F4132IRGZT 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 MSP430F4132IRGZT meets industry standards.
7.What is the process for return or replacement of MSP430F4132IRGZT?
All MSP430F4132IRGZT units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F4132IRGZT, 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 MSP430F4132IRGZT part is unused and in its original packaging.
Return procedure for MSP430F4132IRGZT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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