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Texas Instruments MSP430FG4270IRGZT
- Part No.:
- MSP430FG4270IRGZT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
MSP430FG4270IRGZT.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 48VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,650
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Product details
Overview
MSP430FG4270IRGZT from Texas Instruments is an ultralow-power 16-bit mixed-signal microcontroller with 32KB Flash, 256B RAM, integrated 16-bit sigma-delta ADC, 12-bit DAC, two configurable op-amps, LCD driver for up to 56 segments, and Timer_A3 with three capture/compare registers - designed for battery-powered sensor measurement systems requiring high analog precision and long runtime.
For engineers reviewing the MSP430FG4270IRGZT datasheet, MSP430FG4270IRGZT pinout, MSP430FG4270IRGZT application, or MSP430FG4270IRGZT equivalent, this page delivers verified technical context, validated pin functions, confirmed low-power operating modes (LPM0–LPM4), real-world use cases in portable instrumentation, and actionable alternative selection guidance based on TI's official FG42x0 family documentation.
Technical Context
The MSP430FG4270IRGZT implements a 16-bit RISC CPU with constant generators and seven addressing modes, enabling single-cycle register operations and optimized code density. Its FLL+ clock system integrates a digitally controlled oscillator (DCO) that stabilizes in under 6 μs and supports ACLK (32.768 kHz crystal or HF source), MCLK (system clock), and SMCLK (peripheral clock).
On-chip analog subsystems include SD16_A - a 16-bit sigma-delta ADC with internal reference and five differential input channels - and DAC12, a 12-bit voltage-output DAC supporting 8-/12-bit modes. Two software-configurable op-amps (OA0/OA1) provide programmable gain and feedback paths for front-end signal conditioning prior to ADC conversion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 125-ns instruction cycle; enables deterministic timing and efficient sensor data processing in embedded firmware. |
| Flash / RAM | 32KB Flash + 256B RAM; sufficient for complex sensor fusion algorithms and calibration tables in portable metering applications. |
| ADC Resolution | 16-bit sigma-delta (SD16_A); delivers high-resolution analog measurements with built-in reference and differential inputs for noise rejection. |
| DAC Output | 12-bit voltage-output DAC (DAC12); provides precise analog stimulus generation for closed-loop control or calibration signals. |
| Power Modes | Five low-power modes (LPM0–LPM4); standby current 1.1 μA and off-mode RAM retention at 0.1 μA extend battery life in intermittent-sampling devices. |
| LCD Support | Integrated LCD_A driver for up to 56 segments with 4-MUX capability and software-controlled contrast via regulated charge pump. |
| Operating Voltage | 1.8 V to 3.6 V supply range; compatible with single-cell Li-ion, Li-polymer, or dual-AA battery systems without external regulation. |
Pinout & Package
Package: 48-pin QFN (RGZ), 7 mm × 7 mm, 0.5 mm pitch, exposed thermal pad recommended to be connected to DVSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TA0 | Timer_A capture/compare input, BSL transmit | Primary UART TX for bootstrap loader programming; also serves as CCI0A input for edge-triggered timing events. |
| P1.1/TA0/MCLK | Timer_A capture input, MCLK output, BSL receive | Primary UART RX for BSL; MCLK output enables external clock monitoring or synchronization of peripheral logic. |
| P1.4/A3−/OA1I0/DAC0 | Analog input, op-amp input, DAC output | Shared terminal supports DAC voltage output while simultaneously feeding OA1 for active filtering or amplification stages. |
| P6.0/A0+/OA0O | Analog input positive, op-amp output | Direct connection point for differential sensor signals; OA0 output can drive ADC input or external load without buffer stage. |
| RST/NMI | Reset / nonmaskable interrupt input | Hardware reset initiation and NMI event handling; supports safe firmware recovery during brownout or watchdog timeout conditions. |
| TCK/TMS/TDI/TDO | JTAG test interface | Fully compliant IEEE 1149.1 boundary-scan interface for in-circuit debugging, flash programming, and production testing. |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow-power operation | Active mode: 250 μA @ 1 MHz / 2.2 V; LPM4: 0.1 μA with RAM retention - enables multi-year battery life in wireless sensors. |
| Integrated analog front end | 16-bit SD16_A ADC + 12-bit DAC + two op-amps - eliminates need for external signal-conditioning ICs in compact meter designs. |
| Programmable LCD driver | Supports static to 4-MUX displays up to 56 segments with software-adjustable contrast - ideal for handheld medical or industrial instruments. |
| On-chip oscillator system | FLL+ with DCO, 32.768-kHz XT1, and SMCLK/ACLK/MCLK routing - removes external crystal requirements for basic timing and reduces BOM count. |
| Secure flash programming | Bootstrap loader with password protection and JTAG-based flash write - ensures secure field updates and IP protection in deployed devices. |
Applications
| Hand-Held Digital Multimeter | Portable Gas Detector |
|---|---|
|
Use Scenario: Battery-powered handheld instrument measuring voltage, current, resistance, and continuity with auto-ranging and backlit LCD display. IC Role / Device Role / Timing Role: Main controller executing measurement routines, driving 4-MUX LCD segments, managing sigma-delta ADC sampling, and regulating contrast via charge pump. Use Value: Integrated 16-bit ADC and LCD driver reduce component count by ≥3 discrete ICs; 0.1 μA LPM4 extends alkaline AA battery life beyond 2 years in sleep mode. |
Use Scenario: Compact wearable or fixed-mount gas sensor using electrochemical or NDIR transducers requiring analog signal conditioning and low-drift reference. IC Role / Device Role / Timing Role: Analog front-end processor: OA0/OA1 condition transducer output, SD16_A digitizes with internal reference, DAC12 generates bias voltages. Use Value: Dual op-amps with programmable input multiplexing enable flexible transducer interface topologies; internal VREF eliminates external reference IC and improves temperature stability. |
| Smart Thermostat Display Unit | Digital Timer/Countdown Module |
|
Use Scenario: Wall-mounted HVAC interface with segmented LCD, push-button inputs, ambient temperature sensing, and wireless reporting. IC Role / Device Role / Timing Role: System-on-chip managing button scan, LCD refresh, local temp ADC reading, and wake-up timer for periodic BLE transmission. Use Value: 32KB Flash stores UI assets and firmware update image; Timer_A3 supports precise 1-second interrupts for real-time clock emulation without external RTC. |
Use Scenario: Standalone kitchen or industrial timer with LCD countdown, buzzer alert, and user-programmable duration settings. IC Role / Device Role / Timing Role: Primary timing engine: uses Basic Timer1 for millisecond tick generation, Timer_A3 for alarm comparison, and LCD_A for segment drive. Use Value: Five power-saving modes allow >5-year shelf life on coin cell; integrated buzzer driver (via GPIO PWM) replaces dedicated audio IC. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FG4250IRGZ | 16KB Flash, same 256B RAM, identical peripherals and pinout | Lower memory capacity limits firmware complexity; suitable for simpler sensor nodes with minimal UI or logging. | Select when application firmware fits within 16KB and cost sensitivity outweighs future scalability needs. |
| MSP430FG4260IRGZ | 24KB Flash, same RAM and peripheral set; shares RGZ package and pin compatibility | Balances memory headroom and unit cost; supports intermediate feature sets like extended calibration tables or dual-sensor fusion. | Choose for mid-tier designs needing more Flash than FG4250 but not requiring full 32KB footprint of FG4270. |
Compared with MSP430FG4250IRGZ and MSP430FG4260IRGZ, the MSP430FG4270IRGZ provides maximum on-chip program storage for advanced algorithms and firmware resilience, while maintaining identical low-power behavior, analog performance, and hardware compatibility across the FG42x0 RGZ series.
Availability
MSP430FG4270IRGZT is available at Aetrix Electronics and suitable for portable instrumentation, battery-powered sensor nodes, and industrial display modules requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.
Supply support for MSP430FG4270IRGZT 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 ultralow-power design and industrial-grade reliability.
The MSP430FG42x0 product line was engineered specifically for portable measurement applications demanding high-precision analog integration, extended battery life, and minimal external components - targeting handheld meters, environmental sensors, and medical diagnostics equipment.
FAQ
What is the maximum operating frequency of the MSP430FG4270IRGZT?
The MSP430FG4270IRGZT does not specify a maximum CPU clock frequency in its datasheet; instead, it guarantees a 125-ns instruction cycle time, implying reliable operation up to 8 MHz under typical conditions. The FLL+ module dynamically adjusts the DCO to maintain timing accuracy across voltage and temperature, with no hard upper limit enforced by silicon - actual achievable frequency depends on supply voltage and ambient temperature per the device's electrical characteristics table.
Does the MSP430FG4270IRGZT support JTAG debugging?
Yes, the MSP430FG4270IRGZT supports full IEEE 1149.1 JTAG debugging via dedicated TCK, TMS, TDI, and TDO pins (RGZ pins 46, 45, 44, and 43). This enables real-time breakpoints, register inspection, flash programming, and boundary-scan testing - all without consuming any GPIO resources or requiring special boot modes.
Can the MSP430FG4270IRGZT drive a 4-MUX LCD directly?
Yes, the MSP430FG4270IRGZT's integrated LCD_A module supports static, 2-MUX, 3-MUX, and 4-MUX LCD configurations with up to 56 segments. It includes a regulated charge pump to generate required LCD bias voltages independently of VCC, and contrast is adjustable in software via LCDAVCTL registers - eliminating external LCD bias ICs.
What is the function of the OA0FB and OA1FB pins on the MSP430FG4270IRGZT?
OA0FB (P6.1) and OA1FB (P6.3) are dedicated operational amplifier feedback inputs on the MSP430FG4270IRGZT. They connect internally to the inverting inputs of OA0 and OA1 respectively, enabling standard op-amp configurations (e.g., inverting amplifier, transimpedance) without external routing - critical for stable, low-noise analog signal conditioning before ADC sampling.
Is the MSP430FG4270IRGZT pin-compatible with other MSP430FG42x0 variants in the RGZ package?
Yes, the MSP430FG4270IRGZT is fully pin-compatible with MSP430FG4250IRGZ and MSP430FG4260IRGZ in the 48-pin QFN (RGZ) package. All share identical pin numbering, electrical characteristics, peripheral mappings, and functional pin definitions - allowing drop-in replacement during design iteration or cost optimization without PCB changes.
MSP430FG4270IRGZT 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:
- -
- Peripherals:
- Brown-out Detect/Reset, LCD, POR, PWM, WDT
- Number of I/O:
- 32
- Program Memory Size:
- 32KB (32K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 256 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 5x16b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FG4270IRGZT FAQ
1.How can I place an order for MSP430FG4270IRGZT through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FG4270IRGZT 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 MSP430FG4270IRGZT reliable?
The price and inventory of MSP430FG4270IRGZT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FG4270IRGZT is usually 5 days.
3.What payment methods are accepted for MSP430FG4270IRGZT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FG4270IRGZT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FG4270IRGZT?
MSP430FG4270IRGZT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FG4270IRGZT 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 MSP430FG4270IRGZT?
For technical support, including MSP430FG4270IRGZT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FG4270IRGZT requirements.
6.How does Aetrix verify that MSP430FG4270IRGZT is sourced from the original manufacturer or authorized distributors?
All MSP430FG4270IRGZT 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 MSP430FG4270IRGZT meets industry standards.
7.What is the process for return or replacement of MSP430FG4270IRGZT?
All MSP430FG4270IRGZT units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FG4270IRGZT, 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 MSP430FG4270IRGZT part is unused and in its original packaging.
Return procedure for MSP430FG4270IRGZT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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