MSP430F449IPZR 16-bit Low-Power Microcontroller (IPZR)

MSP430F449IPZR Overview

The MSP430F449IPZR is a low-power, 16?bit microcontroller designed for embedded control and measurement tasks. It combines a compact RISC core with on-chip nonvolatile memory, SRAM, multi-channel analog conversion, and multiple serial interfaces to support mixed-signal designs. Typical uses benefit from low standby current, fast wake-up, and a broad set of timers and communication blocks. See the device listing at IC Manufacturer for ordering and package options.

MSP430F449IPZR Technical Specifications

MSP430F449IPZR Key Features

• 16?bit RISC core delivers a compact instruction set for efficient control and predictable execution timing, useful for real?time tasks.
• On?chip flash and SRAM reduce board count and speed development by providing up to 256 KB flash and 16 KB SRAM in a single package.
• Multi?channel 12?bit ADC supports precision sensor measurement and analog signal acquisition with higher resolution than 8?bit converters.
• Multiple serial interfaces (USCI blocks) enable UART, SPI, and I2C on the same device, simplifying integration with peripherals and sensors.
• Flexible timers offer multiple capture/compare channels for PWM, event timing, and motor control tasks, increasing design versatility.
• Low?power operation and several low?power modes help extend battery life and reduce system energy compared with general?purpose MCUs without specialized LPMs.
• LQFP?64 package provides more GPIO and peripheral pins than smaller packages, allowing higher I/O density for complex designs.

Typical Applications

• Industrial sensor nodes: precision data acquisition and local pre?processing for temperature, pressure, and flow sensors in harsh environments with constrained power budgets.
• Portable instrumentation: battery?powered handheld meters that require a 12?bit ADC, multiple serial interfaces, and long standby life for field use.
• Motor control and power conversion: PWM generation and capture/compare timers for closed?loop control in single?phase motor drivers and DC?CDC converters.
• Communications gateway nodes: protocol bridging where UART, SPI, and I2C are needed together to interface legacy serial devices and modern sensors.

MSP430F449IPZR Advantages vs Typical Alternatives

The device offers a tighter balance of low power and mixed?signal capability compared with many 8?bit microcontrollers, and it consumes less active and standby power than typical 32?bit MCU options in similar control roles. With integrated 12?bit ADC, multiple serial ports and a high pin count in an LQFP?64 package, it provides higher analog and I/O integration than many low?cost alternatives, lowering board complexity and component count.

MSP430F449IPZR Brand Info

The MSP430 family is produced by Texas Instruments, a global semiconductor manufacturer. This part aligns with TI??s focus on low?power microcontrollers for embedded and instrument applications, supported by development tools, reference designs, and a broad ecosystem for rapid prototyping and production.

FAQ

What core architecture does it use?

The device uses a 16?bit RISC core optimized for embedded control, offering compact instruction encoding and deterministic execution useful for timing?sensitive applications.

Which analog peripherals are available?

It integrates a multi?channel 12?bit ADC suitable for precision sensor interface and analog signal capture, enabling on?chip digitization without external converters.

What serial interfaces are supported?

The microcontroller includes USCI modules that can be configured as UART, SPI, or I2C ports, enabling flexible connectivity to sensors, memory, and communication transceivers.

Is it suitable for battery?powered designs?

Yes. The device supports multiple low?power modes and fast wake?up behavior, helping to minimize average current draw in intermittent?measurement or event?driven systems.

Which package options exist?

This part is available in an LQFP?64 package that provides a higher pin count and more GPIOs than smaller packages, making it suitable for designs requiring many peripheral connections.