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Texas Instruments MSP430F1471IPM
- Part No.:
- MSP430F1471IPM
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
MSP430F1471IPM.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:160
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Product details
Overview
MSP430F1471IPM from Texas Instruments is an ultra-low-power 16-bit RISC microcontroller featuring 32KB+256B flash, 1KB RAM, dual 16-bit timers (Timer_A3 and Timer_B7), two USARTs (UART/SPI), 12-bit ADC with 8-channel analog input, on-chip comparator, and JTAG debug interface - designed for battery-powered sensor systems and portable metering applications.
For engineers reviewing the MSP430F1471IPM datasheet, MSP430F1471IPM pinout, MSP430F1471IPM application, or MSP430F1471IPM equivalent, this page delivers verified technical context, package-validated pin functions, real-world use cases, and actionable alternative part guidance - all grounded in TI's SLAS272H production datasheet (May 2018 revision).
Technical Context
The MSP430F1471IPM implements a 16-bit CPU with constant generators and hardware multiplier, enabling high code efficiency in ultra-low-power embedded control. Its five power-saving modes-including LPM3 with sub-µA standby current-support rapid wake-up (<6 µs) and extended battery life in measurement-critical systems.
It integrates dual synchronous serial interfaces (USART0/USART1), a 12-bit ADC with internal reference and autoscan, and Timer_B7 with seven capture/compare registers and shadow registers for glitch-free PWM generation - all operating across 1.8 V–3.6 V supply range with full I/O Schmitt-trigger inputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 125-ns instruction cycle and hardware multiplier for efficient math-intensive firmware. |
| Memory | 32KB + 256B flash program memory and 1KB RAM - sufficient for complex sensor fusion and communication stacks. |
| ADC | 12-bit SAR ADC with 8 analog inputs, <10 µs conversion time, internal reference, and autoscan mode for multi-channel sampling. |
| Timers | Timer_A3 (3 CC registers) and Timer_B7 (7 CC registers with shadow registers) - supports precise timing, PWM, and input capture without CPU overhead. |
| Serial Interfaces | Two USART modules (USART0 & USART1), each configurable as UART or SPI - enables dual-protocol connectivity (e.g., sensor UART + host SPI). |
| Power Consumption | 280 µA active at 1 MHz/2.2 V; 1.6 µA standby; 0.1 µA off-mode with RAM retention - optimized for intermittent-sensing duty cycles. |
| Supply Range | 1.8 V to 3.6 V - compatible with single-cell Li-ion, LiFePO₄, or dual-AA battery systems without external regulators. |
Pinout & Package
LQFP-64 (10 mm × 10 mm) package with exposed thermal pad (connected to DVSS). Pinout validated per Figure 4-3 and Table 4-2 of SLAS272H for MSP430F1471 devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DVCC (Pin 1) | Digital supply voltage | Primary 1.8–3.6 V digital rail; requires local 100 nF decoupling to DVSS. |
| AVCC (Pin 64) | Analog supply voltage | Separate 1.8–3.6 V analog rail; must be filtered and isolated from DVCC for ADC accuracy. |
| RST/NMI (Pin 58) | Reset / non-maskable interrupt | Active-low reset input; also serves as NMI source and BSL entry trigger. |
| TCK (Pin 57), TMS (Pin 56), TDI/TCLK (Pin 55), TDO/TDI (Pin 54) | JTAG debug interface | Standard 4-pin JTAG for programming, boundary scan, and real-time debugging via TI MSP-FET. |
| P1.0–P1.7, P2.0–P2.7, P3.0–P3.7, P4.0–P4.7, P5.0–P5.7, P6.0–P6.7 | General-purpose I/O ports | 48 total GPIO pins; all support interrupt capability, most support peripheral multiplexing (e.g., TA0, TB2, URXD0, A0–A7). |
| XIN/XOUT (Pins 8/9), XT2IN/XT2OUT (Pins 53/52) | Crystal oscillator inputs/outputs | Supports LFXT1 (32.768 kHz watch crystal) and HFXT2 (up to 8 MHz standard crystal) for precise clock sourcing. |
| VREF+, VREF−/VeREF− (Pins 7/11), VeREF+ (Pin 10) | ADC reference terminals | Enable internal 2.5 V reference or external reference (1.2–2.5 V); VeREF+ allows buffered external reference input. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | Sub-µA standby and <6 µs wake-up enable energy harvesting and coin-cell operation in wireless sensors. |
| Dual USART with protocol flexibility | Independent UART/SPI configuration per USART allows simultaneous RS-232 telemetry and SPI-based sensor hub communication. |
| 12-bit ADC with autoscan | Hardware-controlled channel sequencing eliminates CPU polling, reducing firmware latency and power in multi-sensor monitoring. |
| Timer_B7 with shadow registers | Enables synchronized PWM updates across 7 outputs - critical for motor control, LED dimming, or precision waveform generation. |
| On-chip comparator with CAOUT routing | Comparator output directly drives Timer_A CCI inputs, enabling zero-latency event triggering (e.g., overvoltage shutdown). |
Applications
| Smart Utility Metering | Industrial Sensor Node |
|---|---|
|
Use Scenario: Battery-powered electricity/water meter collecting voltage, current, and temperature data every 15 minutes, transmitting via RF module. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, real-time clock, low-power sleep scheduling, and UART-based RF module interface. Use Value: 0.1 µA off-mode with RAM retention preserves state across years of operation; dual USART supports separate UART (RF) and SPI (sensor array) links. |
Use Scenario: DIN-rail mounted environmental monitor measuring humidity, pressure, and CO₂ in HVAC ducts with 4–20 mA loop output. IC Role / Device Role / Timing Role: Signal conditioner and protocol translator converting analog sensor outputs to Modbus RTU over RS-485. Use Value: 12-bit ADC with internal reference ensures stable measurements across temperature; Timer_B7 generates precise 4–20 mA PWM-to-current conversion. |
| Portable Handheld Tester | Low-Power Data Logger |
|
Use Scenario: Field technician tool measuring resistance, continuity, and diode drop, powered by two AA batteries with >1-year shelf life. IC Role / Device Role / Timing Role: Embedded controller executing self-test routines, driving LCD, reading buttons, and managing battery voltage monitoring. Use Value: Active current of 280 µA at 1 MHz enables responsive UI while preserving battery; on-chip comparator replaces external op-amp for continuity detection. |
Use Scenario: Remote soil moisture and temperature logger deployed in agriculture, waking hourly to sample and store data to flash. IC Role / Device Role / Timing Role: Autonomous data acquisition engine performing timed ADC conversions, flash writes, and watchdog supervision. Use Value: Hardware autoscan and timer-triggered ADC reduce CPU wake time; 32KB flash stores months of timestamped readings without external memory. |
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 |
|---|---|---|---|
| MSP430F149IPM | 60KB flash, 2KB RAM, identical peripherals and pinout - higher memory headroom for larger firmware or OTA updates. | Suitable where future feature expansion or bootloader complexity demands more code space. | Select when long-term firmware scalability outweighs cost sensitivity; same PCB layout and driver compatibility. |
| MSP430F147IPM | Same flash/RAM (32KB+256B/1KB), identical peripherals, but offered in LQFP-64 and TQFP-64 - no functional difference from MSP430F1471IPM. | Used in legacy designs where PM package is preferred; functionally interchangeable in new designs. | Choose for cross-supply flexibility or if existing procurement channels stock the non-"1" variant; no design impact. |
Compared with MSP430F1471IPM, MSP430F149IPM provides 28KB additional flash for advanced algorithms or secure boot, while MSP430F147IPM offers identical functionality with broader distributor availability - both retain full pin, peripheral, and software compatibility.
Availability
MSP430F1471IPM is available at Aetrix Electronics and suitable for smart utility metering, industrial sensor nodes, and portable handheld testers requiring stable component supply, long-lifecycle assurance, and TI-qualified manufacturing traceability.
Supply support for MSP430F1471IPM 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 reliability, longevity, and industrial-grade qualification.
The MSP430F14x1 family - including MSP430F1471IPM - was engineered for ultra-low-power sensing and measurement applications where battery life, precision analog integration, and robust debug capability are essential.
FAQ
What is the maximum operating frequency of the MSP430F1471IPM?
The MSP430F1471IPM does not have a fixed maximum clock frequency specification; its digitally controlled oscillator (DCO) is calibrated to deliver up to 8 MHz under typical conditions. When using external crystals, the XT2 oscillator supports up to 8 MHz, and the LFXT1 supports 32.768 kHz. The core executes instructions at 125 ns per cycle, enabling deterministic real-time response regardless of clock source. MSP430F1471IPM performance is optimized for efficiency-not raw speed-in low-power applications.
Does the MSP430F1471IPM support in-system programming without external voltage?
Yes, the MSP430F1471IPM supports serial onboard programming (SBP) via its built-in bootloader (BSL), requiring no external programming voltage. Programming is performed through UART or SPI using standard 1.8–3.6 V supply rails. The BSL is activated via RST/NMI and TCK sequences, and code protection is enforced by a one-time security fuse. This capability enables field firmware updates and eliminates need for dedicated HV programmers - a key advantage of MSP430F1471IPM in deployed systems.
How many analog input channels does the MSP430F1471IPM ADC support?
The MSP430F1471IPM integrates a 12-bit ADC12 module with eight selectable analog input channels (A0–A7), mapped to P6.0 through P6.7. These inputs support single-ended or differential acquisition, internal reference (2.5 V), or external reference (1.2–2.5 V). The ADC also features sample-and-hold, autoscan mode, and conversion times under 10 µs - making MSP430F1471IPM well-suited for multi-sensor data acquisition with minimal CPU intervention.
Is the MSP430F1471IPM pin-compatible with other MSP430F14x devices?
Yes, the MSP430F1471IPM is pin-compatible with MSP430F147IPM, MSP430F148IPM, MSP430F1481IPM, MSP430F149IPM, and MSP430F1491IPM in the LQFP-64 (PM) package. All share identical pin numbering, electrical characteristics, and peripheral mapping per TI's SLAS272H datasheet. This allows direct substitution in footprint-constrained designs - for example, upgrading to MSP430F1471IPM from MSP430F147IPM requires no PCB changes, only firmware validation.
What debug interface does the MSP430F1471IPM provide?
The MSP430F1471IPM provides a full 4-wire JTAG interface (TCK, TMS, TDI/TCLK, TDO/TDI) compliant with IEEE 1149.1, supporting programming, boundary scan, and real-time debugging via TI's MSP-FET or compatible emulators. It also supports Spy-Bi-Wire (2-wire JTAG) for space-constrained layouts. Debug access remains available even with code protection enabled, provided the JTAG fuse is unblown - a critical capability for development and failure analysis of MSP430F1471IPM-based systems.
MSP430F1471IPM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 64-LQFP
- Series:
- MSP430x1xx
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 8MHz
- Connectivity:
- SPI, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 48
- Program Memory Size:
- 32KB (32K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- Slope A/D
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F1471IPM FAQ
1.How can I place an order for MSP430F1471IPM through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F1471IPM 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 MSP430F1471IPM reliable?
The price and inventory of MSP430F1471IPM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F1471IPM is usually 5 days.
3.What payment methods are accepted for MSP430F1471IPM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F1471IPM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F1471IPM?
MSP430F1471IPM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F1471IPM 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 MSP430F1471IPM?
For technical support, including MSP430F1471IPM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F1471IPM requirements.
6.How does Aetrix verify that MSP430F1471IPM is sourced from the original manufacturer or authorized distributors?
All MSP430F1471IPM 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 MSP430F1471IPM meets industry standards.
7.What is the process for return or replacement of MSP430F1471IPM?
All MSP430F1471IPM units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F1471IPM, 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 MSP430F1471IPM part is unused and in its original packaging.
Return procedure for MSP430F1471IPM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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