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Texas Instruments MSP430F449IPZ
- Part No.:
- MSP430F449IPZ
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430F449IPZ.pdf
- Description:
- IC MCU 16BIT 60KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,080
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Product details
Overview
MSP430F449IPZ from Texas Instruments is an ultralow-power 16-bit mixed-signal microcontroller featuring 60KB+256B Flash, 2KB RAM, integrated 12-bit ADC with internal reference, dual USARTs (UART/SPI), 160-segment LCD driver, and seven-capture/compare Timer_B with shadow registers. It operates from 1.8 V to 3.6 V and targets battery-powered portable instrumentation and LCD-based metering systems.
For engineers reviewing the MSP430F449IPZ datasheet, MSP430F449IPZ pinout, MSP430F449IPZ application, or MSP430F449IPZ equivalent, key selection criteria include Flash/RAM size, dual-serial interface support, LCD segment count, ADC resolution and channel count, and 100-pin QFP package compatibility with industrial temperature range (−40°C to 85°C).
Technical Context
The MSP430F449IPZ implements a 16-bit RISC CPU with constant generators and a digitally controlled oscillator (DCO), enabling wake-up from standby in under 6 µs. Its architecture supports five power-saving modes, including off-mode RAM retention at 0.1 µA.
It integrates two 16-bit timers (Timer_A with three capture/compare registers; Timer_B with seven capture/compare registers and shadow registers), a hardware multiplier, and a comparator. The ADC12 module provides 12-bit conversion in less than 10 µs across eight channels with internal reference and sample-and-hold.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 125-ns instruction cycle time and constant generators for optimized code efficiency |
| Memory | 60KB+256B Flash program memory and 2KB RAM - sufficient for complex sensor processing and LCD UI firmware |
| ADC | 12-bit successive-approximation ADC with 8 input channels, internal reference, and <10 µs conversion time |
| Timers | Timer_A3 (3 capture/compare) + Timer_B7 (7 capture/compare with shadow registers) - enables precise PWM, capture, and real-time control |
| Serial Interfaces | Dual USARTs (USART0 and USART1), each configurable as UART or SPI - supports simultaneous host communication and peripheral bridging |
| LCD Driver | Integrated driver supporting up to 160 segments with 1/2–1/4 bias and 1–4 backplane multiplexing - eliminates external display controller |
| Power Consumption | 280 µA active @ 1 MHz/2.2 V; 1.1 µA standby; 0.1 µA off-mode with RAM retention - extends battery life in portable devices |
Pinout & Package
Package: 100-pin plastic quad flat pack (PZ), RoHS-compliant, 0.5 mm pitch, 14 mm × 14 mm body, −40°C to 85°C operating temperature.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI | Reset / Nonmaskable Interrupt Input | Active-low reset initiation and high-priority interrupt source - critical for system recovery and fault handling |
| P1.0/TA0 | Timer_A Capture/Compare 0 / General I/O | Primary timer input/output pin; supports edge-triggered capture or PWM output for motor/sensor timing |
| P2.4/UTXD0 & P2.5/URXD0 | USART0 Transmit/Receive Data | Full-duplex UART interface for host MCU or PC communication - used in metering data logging |
| P4.0/UTXD1 & P4.1/URXD1 | USART1 Transmit/Receive Data | Second independent UART channel - enables concurrent communication with modem or sensor hub |
| P3.4–P3.7 & P4.2–P4.5 | Timer_B3–TB6 / USART1 Control Signals | Seven-channel Timer_B capture inputs and USART1 clock/control pins - supports multi-phase motor control or synchronized peripherals |
| COM0–COM3 & S0–S39 | LCD Backplane & Segment Outputs | Four common outputs and 40 segment outputs - directly drives 160-segment LCD (4×40 or 2×80 configuration) |
| AVCC / AVSS / DVCC1/DVCC2 / DVSS1/DVSS2 | Analog & Digital Power Rails | Separate analog/digital supply domains reduce noise coupling - essential for stable ADC and LCD operation |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow-Power Operation | 0.1 µA off-mode with full RAM retention enables decade-scale coin-cell battery life in maintenance-free meters |
| Dual Independent USARTs | Simultaneous UART/SPI operation on separate modules allows concurrent host telemetry and local sensor bus communication |
| 160-Segment LCD Driver | On-chip driver with programmable bias and mux eliminates external display IC - reduces BOM cost and PCB area |
| Hardware Multiplier | MPY/MPYS/MAC/MACS instructions accelerate FFT, filtering, and calibration math - improves real-time signal processing throughput |
| Integrated Brownout Detector & SVS | Programmable voltage supervisor prevents erratic operation during battery sag - ensures reliable reset before logic corruption |
| JTAG Emulation Support | Full-featured Embedded Emulation Module (EEM) enables non-intrusive debugging and flash programming via MSP-FET430UIF |
Applications
| Smart Electricity Meter | Portable Gas Detector |
|---|---|
Use Scenario: Utility-grade meter measuring voltage, current, and energy consumption with tamper detection and remote reporting. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing LCD display, and communicating via RS-485 or RF module. Use Value: Integrated 12-bit ADC with internal reference and dual USARTs enable accurate sensing and dual-interface telemetry without external components. | Use Scenario: Handheld gas analyzer using electrochemical sensors requiring low-drift analog front-end and battery-efficient operation. IC Role / Device Role / Timing Role: Sensor signal conditioner, ADC controller, and display manager with real-time alarm generation. Use Value: Ultralow standby current (1.1 µA) and fast wake-up (<6 µs) extend runtime between charges while maintaining responsive alarm latency. |
| Industrial Panel Meter | Water Quality Monitor |
Use Scenario: DIN-rail mounted panel meter displaying flow, pressure, or temperature with Modbus RTU connectivity. IC Role / Device Role / Timing Role: Primary controller interfacing with analog inputs, driving 4-digit LCD, and implementing Modbus over USART0. Use Value: 160-segment LCD driver supports custom alphanumeric glyphs and bar graphs; Timer_B7 enables precise PWM for analog output scaling. | Use Scenario: Submersible probe monitoring pH, ORP, and conductivity in wastewater treatment with solar/battery hybrid power. IC Role / Device Role / Timing Role: Multi-sensor aggregator, low-power scheduler, and LCD/UI coordinator with periodic wake-up for measurement bursts. Use Value: Off-mode RAM retention (0.1 µA) preserves calibration data and logging state during extended sleep - critical for unattended deployment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F448IPZ | 48KB+256B Flash, 2KB RAM, same peripherals and pinout - 12KB less program memory | Suitable for firmware with smaller footprint; identical LCD, ADC, and serial capability | Select when application code size fits within 48KB and cost sensitivity outweighs future firmware headroom |
| MSP430F4491IPZ | Same Flash/RAM and package, but ADC12 module omitted - no 12-bit analog conversion capability | Applicable only in purely digital or externally ADC-assisted designs | Choose only if 12-bit on-chip ADC is unnecessary and lower cost or qualification status is prioritized |
Compared with MSP430F448IPZ, the MSP430F449IPZ provides 12KB additional Flash for larger firmware or field-upgrade headroom; compared with MSP430F4491IPZ, it retains full ADC12 functionality - making it the optimal choice for sensor-integrated, LCD-displayed measurement systems requiring on-chip analog precision.
Availability
MSP430F449IPZ is available at Aetrix Electronics and suitable for smart metering, portable instrumentation, industrial HMI panels, and battery-powered environmental monitors requiring stable component supply across long production lifecycles.
Supply support for MSP430F449IPZ 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 MSP430x44x family - including the MSP430F449IPZ - was designed for ultralow-power, mixed-signal applications demanding integrated analog peripherals, LCD support, and extended battery life in portable and industrial measurement equipment.
FAQ
What is the maximum operating frequency of the MSP430F449IPZ?
The MSP430F449IPZ features a digitally controlled oscillator (DCO) that supports up to 8 MHz system clock (MCLK) operation, with a 125-ns instruction cycle time. Its performance is optimized for ultralow-power operation rather than raw speed - typical use cases run at 1 MHz to balance processing throughput and current draw (280 µA active mode).
Does the MSP430F449IPZ include an integrated 12-bit ADC?
Yes, the MSP430F449IPZ includes the ADC12 module: a 12-bit successive-approximation analog-to-digital converter with eight input channels, internal reference voltage, sample-and-hold, and autoscan capability. Conversion time is under 10 µs, and it supports both single-channel and sequence conversions - confirmed in the SLAS344G datasheet functional block diagram and specifications.
How many USART modules does the MSP430F449IPZ support?
The MSP430F449IPZ supports two independent universal serial communication interfaces: USART0 and USART1. Each can be configured in asynchronous UART mode or synchronous SPI mode via software control - enabling simultaneous serial communication with multiple peripherals or hosts, as documented in the device's functional block diagram and pin descriptions.
What LCD segment count does the MSP430F449IPZ drive?
The MSP430F449IPZ integrates an LCD controller capable of driving up to 160 segments with 1-, 2-, 3-, or 4-mux configurations and programmable bias. This is implemented via dedicated COM0–COM3 backplane outputs and segment outputs S0–S39, allowing flexible display layouts such as 4×40 or 2×80 - verified in the device family description and pin function tables.
Is the MSP430F449IPZ pin-compatible with other devices in the MSP430x44x family?
Yes, the MSP430F449IPZ shares the same 100-pin PZ package and pinout with MSP430F447IPZ and MSP430F448IPZ, including identical signal assignments for power, JTAG, timers, USARTs, LCD, and I/O. This enables direct hardware reuse across variants - confirmed by cross-referencing the pin designation diagrams for MSP430x447IPZ, MSP430x448IPZ, and MSP430x449IPZ in SLAS344G.
MSP430F449IPZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-LQFP
- Series:
- MSP430x4xx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 8MHz
- Connectivity:
- SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, LCD, POR, 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 8x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F449IPZ FAQ
1.How can I place an order for MSP430F449IPZ through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F449IPZ 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 MSP430F449IPZ reliable?
The price and inventory of MSP430F449IPZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F449IPZ is usually 5 days.
3.What payment methods are accepted for MSP430F449IPZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F449IPZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F449IPZ?
MSP430F449IPZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F449IPZ 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 MSP430F449IPZ?
For technical support, including MSP430F449IPZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F449IPZ requirements.
6.How does Aetrix verify that MSP430F449IPZ is sourced from the original manufacturer or authorized distributors?
All MSP430F449IPZ 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 MSP430F449IPZ meets industry standards.
7.What is the process for return or replacement of MSP430F449IPZ?
All MSP430F449IPZ units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F449IPZ, 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 MSP430F449IPZ part is unused and in its original packaging.
Return procedure for MSP430F449IPZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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