Manufacturer Part Number

MSP430G2744IDA38R

Description

This is an ultra-low power 16-bit microcontroller from Texas Instruments using the MSP430 CPU core, with 32KB of FLASH memory in a compact 38-pin TSSOP package. It offers a wide range of communication interfaces and integrated peripherals, making it suitable for embedded control applications requiring low power and moderate performance.

Specifications

16-bit MSP430 CPU core running at up to 16MHz

32KB FLASH program memory (32K x 8)

1KB SRAM (1K x 8)

No EEPROM

Supports voltage supply from 1.8V to 3.6V

Operating temperature range: -40°C to 85°C

38-TSSOP package, surface mount type

Data converters: 12-channel, 10-bit ADC

Over 32 programmable I/O ports

Features multiple serial communication interfaces: I2C, IrDA, LINbus, SCI, SPI, UART/USART

Integrated peripherals: Brown-out detect/reset, power-on reset (POR), watchdog timer (WDT)

Internal oscillator

RoHS3 compliant, REACH unaffected

Moisture sensitivity level (MSL): 2 (1 year floor life)

Device Structure

The microcontroller integrates a 16-bit RISC CPU, program flash, SRAM, analog-to-digital converter, and multiple serial communication modules within a single chip. All key functional blocks (CPU, memory, peripherals, I/O, and oscillator) are tightly integrated to minimize board space and power consumption.

Performance Characteristics

Ultra-low power consumption for battery-powered and portable designs

16MHz maximum clock speed allows moderate data processing

32 I/O pins provide flexible connection for external devices

Fast wake-up from low-power modes

On-chip 10-bit ADC enables real-time analog signal acquisition

Integrated communication modules support various serial protocols

Reliable operation over industrial temperature range (-40°C ~ 85°C)

Application Environments

Metering systems, smart sensors

Portable medical equipment

Industrial automation, control panels

Consumer electronics

Battery-operated devices

Data logging and monitoring systems

IoT edge devices

Selection Guidelines

Choose this model for projects needing low-to-moderate processing, up to 32KB code storage, and broad serial connectivity

Confirm the 16MHz clock, 1KB SRAM, and absence of EEPROM are sufficient for your application

Verify that 32 GPIOs and the available peripherals meet your hardware requirements

Ensures compatibility with 1.8V to 3.6V supply systems

Suitable for applications that require RoHS compliance and MSL2 packaging

Compatible with restricted spaces using TSSOP packages

Usage Considerations

Make sure moisture sensitivity requirements are observed (MSL 2, 1-year floor life) during assembly

Account for the lack of EEPROM if your project needs non-volatile data storage besides FLASH

Double check analog and digital pin allocation for both ADC functions and I/O

Reference the Texas Instruments MSP430G2xx documentation for best practices in low-power implementation and clock selection

Confirm sufficient stock for volume production; large inventory is available

Potential Equivalent/Replacement Models

There are other MSP430 microcontrollers with similar pin-outs and memory sizes, such as MSP430G2553, MSP430G2744 derivatives, and MSP430G2755. However, pin-to-pin and feature compatibility may vary. Always check datasheets for alternative models. For more detailed equivalency analysis or if a direct replacement is required, contact our Ariat-Tech sales team for assistance with cross-referencing and availability.

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