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Texas Instruments MSP430F447IPZR
- Part No.:
- MSP430F447IPZR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430F447IPZR.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,989
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Product details
Overview
MSP430F447IPZR from Texas Instruments is an ultralow-power 16-bit mixed-signal microcontroller featuring 32KB+256B flash memory, 1KB RAM, integrated 12-bit ADC with internal reference and autoscan, dual 16-bit timers (Timer_A3 and Timer_B7), two USARTs, and LCD driver supporting up to 160 segments. It operates from 1.8 V to 3.6 V and targets battery-powered portable measurement systems.
For engineers reviewing the MSP430F447IPZR datasheet, MSP430F447IPZR pinout, MSP430F447IPZR application, or MSP430F447IPZR equivalent, key selection considerations include its 100-pin QFP package, 7-channel capture/compare capability in Timer_B, dual UART/SPI support, LCD segment drive architecture, and supply voltage supervisor with programmable level detection.
Technical Context
The MSP430F447IPZR implements a 16-bit RISC CPU with constant generators and a digitally controlled oscillator (DCO), enabling wake-up from standby mode in under 6 µs. Its architecture supports five power-saving modes optimized for extended battery life in sensor-based applications.
It integrates a 12-bit ADC12 module with sample-and-hold, internal reference, and autoscan across eight channels; two independent 16-bit timers-Timer_A with three capture/compare registers and Timer_B with seven capture/compare registers plus shadow registers; and two fully configurable USART modules supporting asynchronous UART or synchronous SPI operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 125-ns instruction cycle time and hardware multiplier |
| Flash / RAM | 32KB+256B flash memory and 1KB RAM for firmware storage and runtime data handling |
| ADC Resolution | 12-bit successive-approximation ADC with internal reference and <10 µs conversion time per channel |
| Timer Resources | Timer_A3 (3 capture/compare registers) and Timer_B7 (7 capture/compare registers with shadow registers) |
| Communication | Two USART modules, each configurable as UART or SPI, supporting full-duplex serial communication |
| LCD Driver | Integrated driver supporting up to 160 segments with 1/2–1/4 bias and static to 4-mux configurations |
| Supply Range | 1.8 V to 3.6 V operation with brownout detector and programmable supply voltage supervisor |
Pinout & Package
Package: 100-pin plastic quad flat pack (PZ), RoHS-compliant, surface-mount, 14 mm × 14 mm footprint with 0.5 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI | Reset / Nonmaskable Interrupt Input | Active-low reset input; double-function NMI trigger for critical event handling |
| P1.0/TA0 | Timer_A Capture/Compare 0 | Primary timer input/output for PWM generation or edge-triggered capture |
| P2.4/UTXD0 | USART0 Transmit Data | Dedicated UART transmit line for primary serial interface |
| P2.5/URXD0 | USART0 Receive Data | Dedicated UART receive line for primary serial interface |
| P4.0/UTXD1 | USART1 Transmit Data | Secondary UART transmit line enabling dual-serial connectivity |
| P4.1/URXD1 | USART1 Receive Data | Secondary UART receive line enabling dual-serial connectivity |
| P3.4–P3.7 / TB3–TB6 | Timer_B Capture/Compare 3–6 | Four additional Timer_B channels beyond base TB0–TB2, enabling multi-channel PWM or timing |
| COM0–COM3 | LCD Backplane Outputs | Four common outputs supporting up to 4-mux LCD displays with 160 segments |
| S0–S39 | LCD Segment Outputs | 40 dedicated segment drivers (S0–S39) mapped to P5, P4, P3, P2 pins for direct LCD segment control |
| AVCC / AVSS | Analog Power Supply Rails | Isolated analog supply domain for ADC, comparator, and LCD resistive divider-must power up after DVCC |
| VREF+ / VREF− | ADC Reference Terminals | Internal reference output and selectable external reference input for precise 12-bit conversions |
| TCK / TMS / TDI / TDO | JTAG Debug Interface | Fully compliant IEEE 1149.1 boundary-scan interface for programming and real-time debugging |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow-Power Operation | 280 µA active current at 1 MHz/2.2 V; 1.1 µA standby; 0.1 µA off-mode with RAM retention |
| Dual USART Flexibility | Two independent serial interfaces, each software-selectable between UART and SPI protocols |
| Timer_B7 Shadow Registers | Seven capture/compare channels with shadow registers enable glitch-free PWM updates during runtime |
| Integrated LCD Driver | Supports static, 2-, 3-, or 4-mux LCDs up to 160 segments without external bias circuitry |
| Programmable SVS | Supply voltage supervisor with user-configurable trip levels for system-level brownout protection |
| On-Chip Emulation | Embedded Emulation Module (EEM) enables full-speed debugging via JTAG without external probes |
Applications
| Portable Gas Detector | Smart Electricity Meter |
|---|---|
Use Scenario: Battery-powered handheld device measuring CO, CH₄, or O₂ concentration using electrochemical or NDIR sensors. IC Role / Device Role / Timing Role: Central controller managing analog signal acquisition (ADC12), sensor excitation timing (Timer_B7 PWM), low-power sleep/wake cycles, and LCD display refresh. Use Value: Sub-µA standby current extends battery life to >5 years; integrated LCD driver eliminates external bias IC; dual USART enables simultaneous sensor comms and host reporting. | Use Scenario: Revenue-grade metering unit performing real-time energy calculation, tamper detection, and local display in residential/commercial installations. IC Role / Device Role / Timing Role: Primary metrology processor executing RMS calculations, pulse counting (Timer_A), tariff switching (SVS-triggered events), and segmented LCD update (COM0–COM3 + S0–S39). Use Value: 12-bit ADC with internal reference ensures stable metrology accuracy; programmable SVS detects grid voltage sags; hardware multiplier accelerates floating-point math in firmware. |
| Industrial Temperature Logger | Medical Patient Monitor Front-End |
Use Scenario: Wireless, battery-operated logger recording ambient temperature over weeks using thermistor or RTD inputs. IC Role / Device Role / Timing Role: Signal conditioner and scheduler-acquiring analog readings (ADC12 autoscan), timestamping (Timer_B7), storing in RAM/flash, and waking periodically for RF transmission. Use Value: Wake-up in <6 µs minimizes latency in duty-cycled sampling; 1KB RAM buffers multiple readings before transmission; LCD driver displays status without MCU intervention. | Use Scenario: Low-power bedside monitor acquiring ECG, SpO₂, or respiration signals for display and alarm triggering. IC Role / Device Role / Timing Role: Analog front-end coordinator-synchronizing ADC sampling, driving LCD for waveform display, generating audible alerts (Timer_A PWM), and communicating with host MCU via USART1. Use Value: Dual USART allows isolated diagnostic comms (USART0) and clinical data streaming (USART1); LCD segment mapping supports custom waveform glyphs; SVS prevents malfunction during power dips. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F449IPZ | 60KB+256B flash, 2KB RAM, identical peripherals and pinout | Higher firmware capacity for complex algorithms or bootloader + application separation | Select when firmware size exceeds 32KB or additional RAM is required for buffering or stack depth |
| MSP430F437IPZ | Same 32KB+256B flash and 1KB RAM, but only one USART and Timer_B3 (3 CCRs) | Limited serial I/O and fewer PWM/timing channels; no second UART or extra Timer_B channels | Select for cost-sensitive designs where dual USART or 7-channel Timer_B is unnecessary |
Compared with MSP430F447IPZR, MSP430F449IPZ offers greater code space for feature-rich firmware while maintaining full peripheral and pin compatibility; MSP430F437IPZ reduces serial and timing resources to lower cost but sacrifices dual-serial and advanced PWM capability.
Availability
MSP430F447IPZR is available at Aetrix Electronics and suitable for portable gas detectors, smart electricity meters, industrial temperature loggers, and medical patient monitor front-ends requiring stable component supply and long-term lifecycle support.
Supply support for MSP430F447IPZR 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 for industrial, automotive, and consumer markets.
The MSP430x44x family is designed for ultralow-power mixed-signal applications demanding high integration of analog peripherals, LCD control, and serial communication in battery-constrained environments.
FAQ
What is the maximum operating frequency of the MSP430F447IPZR?
The MSP430F447IPZR features a digitally controlled oscillator (DCO) calibrated to support up to 8 MHz operation. Its 125-ns instruction cycle time corresponds to a 8-MHz CPU clock, and the device achieves this speed across the full 1.8 V to 3.6 V supply range with appropriate FLL+ configuration. The MSP430F447IPZR does not require external crystals for basic operation but supports XT1 (watch crystal) and XT2 (high-frequency crystal) for precision timing.
Does the MSP430F447IPZR support both UART and SPI on the same USART module?
Yes, the MSP430F447IPZR supports software-selectable UART or SPI operation on each of its two USART modules (USART0 and USART1). Configuration is performed via control bits in the UCAxCTL0 and UCAxCTL1 registers. This flexibility allows designers to use USART0 for UART-based host communication and USART1 for SPI-driven peripherals-or vice versa-without hardware changes.
How many LCD segments can the MSP430F447IPZR drive, and what mux configurations are supported?
The MSP430F447IPZR drives up to 160 LCD segments using four common outputs (COM0–COM3) and 40 segment outputs (S0–S39). It supports static, 2-mux, 3-mux, and 4-mux LCD configurations with programmable bias (1/2 or 1/3) and frame frequency. The integrated charge pump and resistor ladder eliminate need for external bias components, reducing BOM count and board area.
What are the key differences between the MSP430F447IPZR and MSP430F437IPZ?
The MSP430F447IPZR includes two USART modules and Timer_B7 (seven capture/compare registers), whereas the MSP430F437IPZ has only one USART and Timer_B3 (three capture/compare registers). Both share identical flash (32KB+256B), RAM (1KB), and 100-pin PZ package. The MSP430F447IPZR also adds hardware multiplier instructions (MPY, MAC) not present in the F437 variant.
Is the MSP430F447IPZR pin-compatible with other devices in the MSP430x44x family?
Yes, the MSP430F447IPZR is pin-compatible with all 100-pin PZ-packaged members of the MSP430x44x family-including MSP430F448IPZ and MSP430F449IPZ-sharing identical pin assignments, electrical characteristics, and peripheral mappings. This enables seamless migration between variants based on flash/RAM requirements without PCB redesign.
MSP430F447IPZR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-LQFP
- Series:
- MSP430x4xx
- Packaging:
- Tape & Reel (TR)
- 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:
- 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:
- A/D 8x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F447IPZR FAQ
1.How can I place an order for MSP430F447IPZR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F447IPZR 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 MSP430F447IPZR reliable?
The price and inventory of MSP430F447IPZR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F447IPZR is usually 5 days.
3.What payment methods are accepted for MSP430F447IPZR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F447IPZR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F447IPZR?
MSP430F447IPZR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F447IPZR 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 MSP430F447IPZR?
For technical support, including MSP430F447IPZR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F447IPZR requirements.
6.How does Aetrix verify that MSP430F447IPZR is sourced from the original manufacturer or authorized distributors?
All MSP430F447IPZR 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 MSP430F447IPZR meets industry standards.
7.What is the process for return or replacement of MSP430F447IPZR?
All MSP430F447IPZR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F447IPZR, 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 MSP430F447IPZR part is unused and in its original packaging.
Return procedure for MSP430F447IPZR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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