MSP430F5171IDAR 16-bit Microcontroller MCU, VQFN Package

MSP430F5171IDAR Overview

The MSP430F5171IDAR is a low?power, 16?bit microcontroller designed for precision mixed?signal control in industrial and battery?powered systems. It combines a compact CPU with integrated analog and digital peripherals to reduce board count and simplify system design. With a wide supply range and multiple timers, the device targets measurement, control, and communication tasks that demand higher integration and lower energy use than many 8?bit alternatives. Learn more from IC Manufacturer.

MSP430F5171IDAR Technical Specifications

MSP430F5171IDAR Key Features

• 16?bit RISC core for compact code and faster integer math compared with typical 8?bit MCUs.
• Up to 25 MHz system clock to handle higher sample rates and control loops with lower latency.
• Integrated 12?bit ADC that reduces external component count and improves measurement accuracy versus discrete ADC solutions.
• Multiple serial interfaces (UART/SPI/I2C) to connect sensors and peripherals without extra bridging chips.
• Low operating voltage and optimized power modes for longer battery life compared with higher?voltage microcontrollers.
• 64 KB flash and 8 KB SRAM to support more complex firmware and buffering than lower?memory devices.
• Compact 64?pin VQFN package that balances pin count with a smaller PCB footprint than larger LQFP parts.

Typical Applications

• Precision sensor acquisition and condition monitoring where compact size and a 12?bit ADC reduce external components and improve signal fidelity over discrete solutions.
• Battery?powered industrial controls that need long standby life and low active current to extend operating time versus less efficient alternatives.
• Embedded motor or actuator control systems requiring deterministic timers and fast integer math for tighter closed?loop response than many 8?bit controllers provide.
• Communicating measurement nodes with UART/SPI/I2C bridges that benefit from integrated serial peripherals and DMA to offload the CPU and save power.

MSP430F5171IDAR Advantages vs Typical Alternatives

The device offers higher integration and lower power than many 8?bit controllers. With a 16?bit core and up to 25 MHz clock, it delivers roughly 2?? or more processing headroom for arithmetic and control tasks compared with mainstream 8?bit MCUs. The built?in 12?bit ADC, multiple serial ports, and DMA reduce BOM cost and PCB area versus solutions that require external converters or bridge chips. The low 1.8?C3.6 V operation and optimized standby modes extend battery life relative to higher?voltage platforms.

MSP430F5171IDAR Brand Info

The MSP430F5171IDAR is part of the MSP430 family from Texas Instruments. Texas Instruments is known for robust analog and mixed?signal ICs and provides comprehensive documentation, development tools, and software examples to help engineers accelerate time to market with this microcontroller.

FAQ

What is the core architecture?

The device uses a 16?bit RISC core optimized for low power and efficient integer operations. This architecture yields smaller code size and faster control loops than typical 8?bit designs.

Which supply voltages are supported?

Supply range covers 1.8 V to 3.6 V, enabling direct connection to common single?cell battery systems and low?voltage digital domains without additional regulators.

Does it include analog conversion?

Yes. It integrates a 12?bit ADC capable of typical ksps?class sampling, which removes the need for external ADC components in many sensing applications.

What communication interfaces are available?

On?chip peripherals include UART, SPI, and I2C (USCI) interfaces. These support flexible connectivity to sensors, memory, and other controllers without external interface chips.

Is there support for direct memory transfers?

The MCU provides DMA channels to move data between peripherals and memory with minimal CPU intervention, improving throughput and lowering active power consumption during transfers.