MSP430F249TPMR

Product Overview

The MSP430F249TPMR is a high-performance, ultra-low-power 16-bit MSP430 microcontroller from Texas Instruments, featuring a 16 MHz CPU, 60KB Flash memory, 2KB RAM, a 12-bit SAR ADC, integrated comparator, multiple timers, four Universal Serial Communication Interfaces, and flexible low-power operating modes.

The device combines a 16-bit RISC architecture with low-power operation and integrated analog and communication peripherals, making it suitable for sensor systems, industrial control, portable measurement equipment, and handheld meters.

The MSP430F249TPMR is supplied in a 64-pin LQFP (PM) package and operates from 1.8V to 3.6V.

Key Features

• 16-bit MSP430 RISC architecture

• CPU frequency up to 16 MHz

• 60KB Flash memory

• 2KB RAM

• 48 GPIOs

• 12-bit SAR ADC

• 8 ADC channels

• Integrated ADC reference

• Sample-and-hold and autoscan functionality

• On-chip comparator

• Two 16-bit timers

• Timer_A with three capture/compare registers

• Timer_B with seven capture/compare registers

• Four USCI communication modules

• Enhanced UART with automatic baud-rate detection

• IrDA encoder/decoder

• SPI

• I²C

• Supply-voltage supervisor

• Brownout detector

• Bootstrap loader

• Serial onboard programming

• Programmable code protection

• Five low-power modes

• Fast wake-up in less than 1 µs

• 64-pin LQFP package

• Operating temperature: -40°C to +105°C

Technical Specifications

Processor & Architecture

The MSP430F249TPMR integrates a 16-bit MSP430 RISC CPU operating at up to 16 MHz with a 62.5 ns instruction cycle time.

The architecture includes:

• 16-bit registers

• Constant generators

• RISC instruction set

• Efficient code execution

• Calibrated digitally controlled oscillator

• Fast interrupt response

• Fast wake-up from low-power modes

The MSP430 architecture is optimized for applications requiring low power consumption while maintaining efficient embedded processing.

Memory & Storage

The MSP430F249TPMR provides integrated nonvolatile and volatile memory:

• 60KB Flash memory

• Additional 256B Flash information memory

• 2KB RAM

• Serial onboard programming

• Bootstrap loader

• Programmable code protection through security fuse

The Flash memory provides storage for application firmware, while the integrated RAM supports runtime variables, buffers, and application data.

Analog Peripherals

The MSP430F249TPMR integrates analog peripherals for sensing and measurement:

• 12-bit SAR ADC

• 8 ADC input channels

• Internal voltage reference

• Sample-and-hold

• Automatic scan functionality

• Integrated analog comparator

• 8 comparator channels

These resources allow the MCU to directly interface with sensors, analog monitoring circuits, measurement systems, and other mixed-signal applications.

Timer & PWM Resources

The device includes two integrated 16-bit timer modules:

• 16-bit Timer_A

• Three capture/compare registers on Timer_A

• 16-bit Timer_B

• Seven capture/compare registers with shadow registers on Timer_B

• Capture functions

• Compare functions

• PWM generation

• Timing and event measurement

• Periodic interrupt generation

These timer resources can be used for PWM control, waveform generation, input measurement, timing functions, and general-purpose control applications.

Communication & Connectivity

The MSP430F249TPMR integrates four Universal Serial Communication Interfaces (USCI):

• USCI_A0

• USCI_A1

• Enhanced UART

• Automatic baud-rate detection

• IrDA encoder/decoder

• Synchronous SPI

• USCI_B0

• USCI_B1

• I²C

• Synchronous SPI

These communication peripherals allow connection to sensors, displays, memory devices, communication modules, and other embedded controllers.

Clock & Power Management

The MSP430F249TPMR provides a flexible clock system including:

• Internal clock frequencies up to 16 MHz

• Calibrated internal frequencies with accuracy up to ±1%

• Very-low-power internal LF oscillator

• 32 kHz crystal oscillator

• Resonator support

• External digital clock source

• External resistor clock configuration

The device operates from a 1.8V to 3.6V supply range.

Low-Power Operation

Ultra-low-power operation is a major feature of the MSP430F249 family.

Typical power specifications include:

• Active mode: approximately 270 µA at 1 MHz, 2.2V

• Standby mode with VLO: approximately 0.3 µA

• Off mode with RAM retention: approximately 0.1 µA

• Wake-up from standby: less than 1 µs

The five low-power modes allow unused system resources to be disabled while maintaining the required level of system functionality.

Power Management

The MSP430F249TPMR integrates several power-management features:

• 1.8V to 3.6V operating range

• Low-power operating modes

• Supply-voltage supervisor

• Programmable voltage monitoring

• Brownout detector

• Fast wake-up

• Low-power oscillator

These features help reduce system power consumption and simplify power-management design in battery-operated systems.

Security & Data Integrity

The MSP430F249TPMR provides embedded security and system-reliability features:

• Programmable code protection

• Security fuse

• Bootstrap loader

• Brownout detection

• Supply-voltage monitoring

• Watchdog functionality

• Serial onboard programming

The code-protection mechanism helps prevent unauthorized access to protected application firmware.

Development & Debugging

The MSP430F249TPMR is supported by the Texas Instruments MSP430 development ecosystem.

Development capabilities include:

• JTAG-based development and debugging

• Serial onboard programming

• Bootstrap loader

• MSP430 development tools

• Code Composer Studio support

• MSP430 software and development resources

These resources support firmware development, debugging, programming, testing, and production deployment.

Applications

The MSP430F249TPMR is suitable for a wide range of low-power embedded applications, including:

• Sensor systems

• Industrial control

• Handheld meters

• Portable measurement equipment

• Data acquisition

• Analog monitoring

• Battery-powered equipment

• Embedded instrumentation

• Industrial sensing

• Low-power control systems

Texas Instruments specifically identifies sensor systems, industrial control applications, and handheld meters as typical applications for the MSP430F249 family.

Benefits

• 16 MHz 16-bit MSP430 architecture

• 60KB Flash memory

• 2KB RAM

• 12-bit ADC

• 8 ADC channels

• Integrated comparator

• Four USCI communication interfaces

• UART, SPI and I²C support

• Two 16-bit timers

• 48 GPIOs

• Ultra-low standby current

• Fast wake-up in less than 1 µs

• Wide 1.8V to 3.6V supply range

• Industrial-temperature operation up to +105°C

• 64-pin LQFP package

Packaging & Ordering Information

• Part Number: MSP430F249TPMR

• Manufacturer: Texas Instruments

• Device Family: MSP430F249

• Package: 64-pin LQFP

• Package Code: PM

• Package Quantity: 1,000 per Large Tape & Reel

• Supply Voltage: 1.8V to 3.6V

• Operating Temperature: -40°C to +105°C

• Lead Finish / Ball Material: NiPdAu

• MSL Rating: Level-3-260C-168 HR

• RoHS: Yes

• REACH: Yes

• Product Status: ACTIVE

Datasheet

For complete electrical characteristics, pin configuration, memory architecture, ADC specifications, timer configuration, communication interfaces, absolute maximum ratings, and application information, please refer to the official Texas Instruments documentation.

Datasheet: Official MSP430F249 Datasheet

Frequently Asked Questions

What is MSP430F249TPMR?
MSP430F249TPMR is a Texas Instruments 16-bit MSP430 ultra-low-power MCU featuring 60KB Flash, 2KB RAM, a 12-bit ADC, comparator, four USCI communication interfaces, two 16-bit timers, UART, SPI and I²C.

What is the CPU frequency of MSP430F249TPMR?
The maximum CPU frequency is 16 MHz.

How much Flash memory does MSP430F249TPMR have?
The device provides 60KB Flash plus 256B of additional Flash memory.

How much RAM does MSP430F249TPMR have?
The MSP430F249TPMR provides 2KB RAM.

What ADC does MSP430F249TPMR use?
The device integrates a 12-bit SAR ADC with 8 input channels.

Does MSP430F249TPMR support UART?
Yes. The device provides two UART-capable USCI_A interfaces with enhanced UART functionality and automatic baud-rate detection.

Does MSP430F249TPMR support SPI and I²C?
Yes. The four USCI modules support SPI, while the USCI_B interfaces support I²C.

How many GPIOs are available?
The MSP430F249 provides up to 48 GPIOs.

What package is MSP430F249TPMR supplied in?
The MSP430F249TPMR is supplied in a 64-pin LQFP (PM) package.

What is the operating temperature range?
The specified operating temperature range is -40°C to +105°C.

What is the package quantity for MSP430F249TPMR?
The MSP430F249TPMR is supplied as 1,000 units per Large Tape & Reel.

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