MSP430FG438IPN 16-bit Flash Microcontroller PDIP

MSP430FG438IPN Overview

The MSP430FG438IPN is a low?power, 16?bit microcontroller designed for embedded control and precision measurement tasks. It combines a compact, energy?efficient CPU with integrated analog and digital peripherals to reduce external components and system cost. The device targets battery?sensitive and industrial applications that require reliable timing, low standby current, and flexible I/O. For sourcing or original documentation, visit IC Manufacturer.

MSP430FG438IPN Technical Specifications

MSP430FG438IPN Key Features

• 16?bit RISC core that balances processing speed with lower code size for more efficient control algorithms.
• Integrated analog front end including a 10?bit ADC to reduce external converter components and improve signal accuracy.
• Multiple low?power modes that extend battery life and lower standby consumption in portable or remote systems.
• On?chip timers and serial interfaces that simplify motor control, sensor polling, and communication without extra ICs.

Typical Applications

• Portable measurement instruments requiring long battery life and precision ADC sampling for reliable field readings and low drift over time.
• Industrial control endpoints where multiple timers and serial ports manage sensors, actuators, and deterministic control loops simultaneously.
• Metering and energy monitors that need accurate analog conversion, low standby consumption, and robust temperature range for harsh environments.
• Embedded human?machine interfaces that combine low power, compact packaging, and flexible I/O to drive displays and read user inputs efficiently.

MSP430FG438IPN Advantages vs Typical Alternatives

The device provides a clearer tradeoff between power and performance compared with many 8?bit MCUs and higher?power 32?bit parts. With a 16?bit core, integrated ADC, and multiple timers on a single die, designers save board space and bill?of?materials cost. The combination of low?power modes and a modest maximum clock makes it more energy?efficient than higher clocked alternatives while still offering faster math and control than comparable 8?bit controllers.

MSP430FG438IPN Brand Info

The MSP430FG438IPN is part of the MSP430 family from Texas Instruments. This family is known for ultralow power microcontrollers optimized for mixed?signal embedded systems, combining efficient CPU cores with integrated analog peripherals and long?term availability for industrial supply chains.

FAQ

What core architecture is used?

The device uses a 16?bit RISC core optimized for control tasks and energy efficiency. This architecture typically yields smaller code size and faster execution than many 8?bit controllers for equivalent control algorithms.

What supply voltage range does it support?

It operates across a wide range typical for low?voltage embedded systems, enabling use with 1.8 V to 3.6 V rails commonly found in battery and regulated systems.

Does it include analog conversion?

Yes, the microcontroller integrates an ADC block (10?bit resolution) to digitize sensor signals without requiring an external converter, which simplifies board design and improves system integration.

How many timers and serial ports are available?

The device provides multiple on?chip timer modules (three 16?bit timers) and at least two serial/USCI interfaces, allowing independent control of timing, PWM, and serial communications.

Is it suitable for industrial temperature ranges?

Yes, it supports an extended temperature range from ?40 ??C to +85 ??C, making it suitable for many industrial and outdoor electronic applications that demand wider thermal tolerance.