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Texas Instruments MSP430FG479IPNR
- Part No.:
- MSP430FG479IPNR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
MSP430FG479IPNR.pdf
- Description:
- IC MCU 16BIT 60KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,748
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Product details
Overview
MSP430FG479IPNR from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 60KB flash, 2KB RAM, a 16-bit sigma-delta ADC with five differential inputs, dual 12-bit DACs, two configurable op-amps, dual 16-bit timers (Timer_A and Timer_B), two USCI modules (UART/I²C/SPI), and integrated LCD driver supporting up to 128 segments - deployed in handheld meters and digital thermostats requiring long battery life and analog signal conditioning.
For engineers reviewing the MSP430FG479IPNR datasheet, MSP430FG479IPNR pinout, MSP430FG479IPNR application, or MSP430FG479IPNR equivalent, this page delivers verified technical context, package-specific pin functions, real-world use cases, and validated alternative options for sensor interface, low-power timing, and embedded display control designs.
Technical Context
The MSP430FG479IPNR implements a 16-bit RISC CPU with constant generators and a digitally controlled oscillator (DCO), enabling wake-up from LPM3 in under 6 µs. Its memory-mapped peripherals include SD16_A (16-bit sigma-delta ADC) with internal reference and programmable gain, dual 12-bit DACs with independent output buffers, and two fully configurable operational amplifiers supporting multiple input/output routing via internal switches.
It integrates LCD_A controller with contrast control, real-time clock capability via Basic Timer, supply voltage supervisor with programmable threshold, and dual USCI modules - USCI_A0 supporting UART with auto-baud detection and IrDA, and USCI_B0 supporting I²C and SPI - all operating across 1.8 V–3.6 V supply range with five low-power modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Flash / RAM | 60 KB + 256 B flash / 2 KB RAM - supports complex sensor fusion algorithms and bootloader storage without external memory. |
| ADC Resolution | 16-bit sigma-delta (SD16_A) - delivers high-precision measurement of thermocouples, strain gauges, or bridge sensors with built-in reference and temperature sensing. |
| DAC Outputs | Dual 12-bit DACs - enable closed-loop analog control (e.g., bias voltage generation, calibration signal injection) with independent output pins. |
| Op-Amp Count | Two configurable op-amps - each supports selectable inputs (I0–I3), feedback paths (FB), and output routing (O, RFB) for programmable gain stages or active filters. |
| LCD Support | Up to 128 segments with 4 common lines - drives alphanumeric or custom segment displays directly, eliminating external LCD controllers. |
| Supply Range | 1.8 V to 3.6 V - compatible with single-cell Li-ion, coin-cell, or regulated 3.3 V rails in portable instrumentation. |
| Active Current | 262 µA at 1 MHz, 2.2 V - enables >1-year operation on CR2032 in intermittent-sampling applications. |
| Low-Power Mode | 0.1 µA in LPM4 (RAM retention) - preserves state during extended sleep while minimizing battery drain. |
Pinout & Package
Package: 80-pin LQFP (PN), 12 mm × 12 mm body size, exposed pad not specified. Pinout conforms to TI's MSP430FG47x 80-pin PN package layout with dedicated analog/digital supply pairs (AVCC/AVSS, DVCC1/DVSS1, DVCC2/DVSS2), four LCD commons (COM0–COM3), and multi-function I/O grouped by peripheral assignment.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TA0/OA0RFB | Timer_A CCI0A input / OA0 feedback | Enables OA0 configured as transimpedance amplifier or unity-gain buffer with direct feedback path. |
| P1.6/CA0/A2-/OA0I0/DAC0 | Comparator input / ADC negative input / OA0 input / DAC0 output | Shared node allows DAC0 to inject calibration offset into OA0 or SD16_A channel A2. |
| P6.0/A0+/OA0O | ADC positive input / OA0 output | OA0 output routed to SD16_A A0+ for precision ratiometric measurement referencing OA0's buffered signal. |
| LCDCAP/R33 | LCD charge pump capacitor terminal | Connects external capacitor to generate boosted LCD voltage (V4) for high-contrast segment drive. |
| RST/NMI | Reset / non-maskable interrupt / BSL entry | Hardware reset initiation, emergency interrupt handling, or serial bootloader activation via specific JTAG sequence. |
| TCK/TMS/TDI/TDO | JTAG test interface | Supports full boundary-scan, flash programming, and real-time debugging without dedicated debug header. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.1 µA LPM4 current enables decade-scale battery life in always-on sensor nodes with periodic wake-up. |
| Integrated analog front-end | Combines 16-bit SD16_A, dual 12-bit DACs, and two switchable op-amps - eliminates 4–6 discrete components in precision analog measurement paths. |
| Programmable LCD driver | Configurable for static, 2-, 3-, or 4-mux operation with software-controlled contrast - supports custom segment layouts without external bias ICs. |
| Dual USCI modules | USCI_A0 (UART/IrDA/SPI) + USCI_B0 (I²C/SPI) - enables simultaneous communication with wireless transceivers and local sensors using separate protocols. |
| Real-time clock capability | Basic Timer with calendar mode and alarm interrupt - provides time-stamped data logging without external RTC or crystal. |
| On-chip security | Programmable code protection fuse and bootloader with password-protected memory access - prevents firmware extraction in field-deployed devices. |
Applications
| Hand-Held Meters | Digital Thermostats |
|---|---|
Use Scenario: Portable multimeter measuring voltage, current, and resistance with autoranging and hold function. IC Role / Device Role / Timing Role: MSP430FG479IPNR serves as main controller, ADC signal processor, DAC-based reference generator, and LCD segment driver. Use Value: Integrated SD16_A and dual DACs enable ratiometric measurements with self-calibration; LCD_A drives 4½-digit display directly, reducing BOM count by 3 chips. |
Use Scenario: Wall-mounted HVAC thermostat with ambient temperature/humidity sensing, setpoint UI, and relay control. IC Role / Device Role / Timing Role: MSP430FG479IPNR performs sensor acquisition (via SD16_A), PID computation, LCD UI rendering, and timed relay actuation using Timer_B PWM outputs. Use Value: Dual op-amps condition thermistor and humidity sensor signals; LPM3 current <1.8 µA extends battery life to 5+ years in standby. |
| Analog Sensor Systems | Digital Motor Control |
Use Scenario: Industrial pressure transmitter with 4–20 mA loop output and HART modulation. IC Role / Device Role / Timing Role: MSP430FG479IPNR acquires bridge sensor data, computes linearization, generates 4–20 mA via DAC0 and op-amp current source, and handles HART FSK via USCI_A0 UART. Use Value: Single-chip solution replaces MCU + DAC + op-amp + UART IC; internal VREF and temperature sensor enable automatic cold-junction compensation. |
Use Scenario: Brushless DC motor controller for small appliances with hall-effect commutation and speed regulation. IC Role / Device Role / Timing Role: MSP430FG479IPNR reads hall sensors via P1.x, executes commutation logic, generates three-phase PWM via Timer_B compare registers, and displays RPM on integrated LCD. Use Value: Timer_B's seven capture/compare registers with shadow registers ensure glitch-free phase-shifted PWM; LCD_A drives status display without external controller. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F5529IPN | 256 KB flash, 16 KB RAM, USB PHY, no integrated LCD driver or sigma-delta ADC - uses SAR ADC instead. | Better for USB-connected data loggers; unsuitable for LCD-based thermostats or high-resolution sensor readout. | Select when USB host/device connectivity or larger code space is required over analog integration. |
| MSP430FR5969IPN | Ferroelectric RAM (64 KB FRAM), 2 KB RAM, no LCD_A or SD16_A - includes 12-bit SAR ADC and enhanced USCI. | Superior write endurance and lower active power for frequent data logging; lacks LCD and precision sigma-delta conversion. | Choose for high-cycle data buffering or energy-harvesting systems where LCD and 16-bit ADC are secondary. |
Compared with MSP430FG479IPNR, MSP430F5529IPN trades analog integration for USB and memory scale, while MSP430FR5969IPN replaces flash with FRAM and sacrifices LCD/SD16_A for ultra-low write energy - making MSP430FG479IPNR uniquely suited for battery-powered, display-integrated, high-precision analog measurement.
Availability
MSP430FG479IPNR is available at Aetrix Electronics and suitable for handheld meters, digital thermostats, analog sensor systems, and digital motor control applications requiring stable component supply, long-term lifecycle support, and consistent parametric performance across temperature ranges.
Supply support for MSP430FG479IPNR 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 emphasis on energy efficiency, reliability, and system-level integration.
The MSP430FG47x product line targets ultra-low-power mixed-signal applications in portable instrumentation, building automation, and industrial sensing - integrating precision analog peripherals with robust MCU architecture to minimize external component count.
FAQ
What is the maximum LCD segment count supported by the MSP430FG479IPNR?
The MSP430FG479IPNR supports up to 128 segments using its integrated LCD_A module with four common outputs (COM0–COM3). This configuration enables alphanumeric or custom graphic displays in thermostats and handheld meters without external LCD drivers. The MSP430FG479IPNR's LCD_A supports static, 2-, 3-, and 4-mux modes with software-adjustable contrast and charge-pump voltage boosting via the LCDCAP pin.
Does the MSP430FG479IPNR include hardware support for real-time clock functionality?
Yes, the MSP430FG479IPNR includes a Basic Timer module that can be configured for real-time clock (RTC) operation with calendar mode, alarm interrupts, and 32.768 kHz crystal support via LFXT1. It maintains timekeeping in LPM3 with typical current draw of 1.0–2.0 µA, enabling accurate timestamping in data loggers and thermostats without external RTC ICs. The MSP430FG479IPNR's RTC does not require additional peripherals or firmware overhead.
What analog peripherals are integrated into the MSP430FG479IPNR?
The MSP430FG479IPNR integrates a 16-bit sigma-delta ADC (SD16_A) with internal reference, five differential analog inputs, dual 12-bit DACs (DAC12), two fully configurable operational amplifiers with switchable inputs/outputs, an on-chip comparator (Comparator_A), and a supply voltage supervisor (SVS). These peripherals allow the MSP430FG479IPNR to perform precision sensor signal conditioning, closed-loop control, and self-calibration - all within a single chip.
What is the lowest power consumption mode of the MSP430FG479IPNR and its typical current draw?
The MSP430FG479IPNR achieves its lowest active power state in LPM4 (RAM retention mode) with typical current draw of 0.1 µA at 2.2 V and 25°C. In this mode, the CPU, clocks, and all peripherals are disabled while SRAM contents are preserved - ideal for long-duration sleep in battery-powered devices like remote sensors. The MSP430FG479IPNR wakes from LPM4 in under 6 µs via RST/NMI or watchdog timeout.
Which communication interfaces are available on the MSP430FG479IPNR?
The MSP430FG479IPNR features two Universal Serial Communication Interfaces (USCI): USCI_A0 supports UART (with auto-baud detection and IrDA), SPI, and synchronous serial; USCI_B0 supports I²C, SPI, and synchronous serial. Both modules operate independently, enabling concurrent communication with multiple peripherals - for example, UART with a wireless module and I²C with local sensors - without CPU intervention via DMA or interrupt-driven transfers.
MSP430FG479IPNR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 80-LQFP
- 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, PWM, WDT
- Number of I/O:
- 48
- Program Memory Size:
- 60KB (60K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 5x16b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FG479IPNR FAQ
1.How can I place an order for MSP430FG479IPNR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FG479IPNR 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 MSP430FG479IPNR reliable?
The price and inventory of MSP430FG479IPNR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FG479IPNR is usually 5 days.
3.What payment methods are accepted for MSP430FG479IPNR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FG479IPNR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FG479IPNR?
MSP430FG479IPNR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FG479IPNR 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 MSP430FG479IPNR?
For technical support, including MSP430FG479IPNR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FG479IPNR requirements.
6.How does Aetrix verify that MSP430FG479IPNR is sourced from the original manufacturer or authorized distributors?
All MSP430FG479IPNR 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 MSP430FG479IPNR meets industry standards.
7.What is the process for return or replacement of MSP430FG479IPNR?
All MSP430FG479IPNR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FG479IPNR, 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 MSP430FG479IPNR part is unused and in its original packaging.
Return procedure for MSP430FG479IPNR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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