MSP430FG439IPN Overview
The MSP430FG439IPN is a 16?bit, low?power microcontroller designed for precision control and sensor interface tasks in industrial applications. It combines an energy?efficient CPU core with integrated analog and digital peripherals to reduce board count and speed up time to market. Compared with many 8? and 32?bit alternatives, it offers a balance of low active current, rich peripheral integration, and compact packaging suitable for embedded meters, portable instruments, and control nodes. More purchasing and parametric information is available from IC Manufacturer.
MSP430FG439IPN Technical Specifications
| Parameter | Value |
|---|---|
| CPU | 16?bit RISC core |
| Maximum clock | up to 25 MHz |
| Flash memory | 64 KB (on?chip) |
| SRAM | 2 KB |
| ADC | 12?bit ADC, multi?channel |
| Peripherals | Timers, UART, SPI, I2C (USCI modules) |
| Supply voltage | 1.8 V to 3.6 V |
| Operating temperature | ?40 ??C to +85 ??C |
| GPIO count | up to 60 general?purpose I/O |
| Package | LQFP (IPN package code) |
MSP430FG439IPN Key Features
- 16?bit RISC core ?? delivers deterministic code execution and efficient integer math, enabling faster real?time control than many 8?bit devices.
- On?chip Flash and SRAM ?? 64 KB Flash with 2 KB SRAM allows more program complexity and local data buffering without external memory.
- Integrated 12?bit ADC ?? multi?channel analog capture supports finer measurement resolution, reducing the need for external ADCs.
- Multiple serial interfaces ?? UART, SPI and I2C (USCI) ease sensor and peripheral integration and lower BOM count versus discrete interface controllers.
- Low supply range ?? 1.8?C3.6 V operation fits both battery?powered and 3.3 V industrial systems for wider compatibility.
- Industrial temperature rating ?? ?40 ??C to +85 ??C supports deployment in harsher environments compared with consumer?grade parts.
- Compact LQFP package ?? provides many I/Os in a small footprint to save board area compared with larger DIP or QFP variants.
Typical Applications
- Precision metering and measurement products requiring multi?channel 12?bit ADC sampling and compact control firmware with low standby current.
- Portable medical or test instruments that benefit from low supply current, on?chip Flash for firmware updates, and multiple serial interfaces for sensors.
- Industrial control nodes and motor controllers needing deterministic 16?bit arithmetic, on?chip timers for PWM, and temperature stability across ?40 ??C to +85 ??C.
- Embedded human?machine interfaces and keypad controllers where many GPIOs, serial peripherals, and low power modes reduce overall system cost and complexity.
MSP430FG439IPN Advantages vs Typical Alternatives
The device offers a strong mix of low active current and integrated peripherals that often replace discrete components. Compared with many 8?bit MCUs, it delivers higher computational throughput per MHz via a 16?bit architecture. Versus larger 32?bit MCUs, it typically consumes far less energy in active and standby states while still providing essential peripherals like 12?bit ADC, timers, and USCI serial modules. The on?chip Flash and industry temperature rating further simplify design and sourcing.
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MSP430FG439IPN Brand Info
The MSP430 family is produced by Texas Instruments, a global semiconductor company. The part aligns with TI??s focus on low?power microcontrollers and analog integration. TI supports the family with development tools, code examples, and long?term distribution channels favored by sourcing teams and design engineers.
FAQ
What development tools support it?
Texas Instruments provides integrated development environments, compilers, and debugging tools compatible with the MSP430 family. Popular IDEs and toolchains include TI??s Code Composer Studio and third?party options, offering code examples for peripherals and power modes.
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What communication interfaces are included?
The MCU includes serial communication modules typically supporting UART, SPI, and I2C through USCI blocks. These interfaces enable straightforward connection to sensors, EEPROMs, display drivers, and other system peripherals.
Can it run from battery power?
Yes. The 1.8?C3.6 V operating range and low?power modes make it suitable for battery?powered designs where low active and standby currents extend run time compared with higher?power 32?bit MCUs.
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Is it suitable for industrial use?
With an operating temperature spanning ?40 ??C to +85 ??C and integrated analog features, the device meets many industrial application needs for temperature resilience and reduced external component count.
How many GPIOs are available?
The package exposes a large number of general?purpose I/Os to support sensors, keypads, and external drivers. The LQFP package chosen for this part maximizes I/O density in a compact footprint for board?level flexibility.