MSP430G2544IRHA40T 16-bit Microcontroller, IRHA40T Package

MSP430G2544IRHA40T Overview

The MSP430G2544IRHA40T is a low-power 16-bit microcontroller in a 40?pin package. It targets battery-powered and embedded control systems that need efficient processing with compact memory and rich peripherals. The device combines a 16?bit MSP430 core, on-chip nonvolatile memory, a 10?bit ADC, multiple timers, and serial interfaces to support mixed-signal designs. This part is suitable when designers need fewer components, lower standby current, and a small footprint. Learn more from the manufacturer’s resource at IC Manufacturer.

MSP430G2544IRHA40T Technical Specifications

MSP430G2544IRHA40T Key Features

• Single 16?bit core for deterministic control and efficient code density, enabling faster execution on fewer cycles.
• Integrated 10?bit ADC so mixed?signal inputs can be handled without external converters, simplifying BOM and layout.
• Low operating voltage (1.8?C3.6 V) and multiple low?power modes to extend battery life in portable systems.
• On?chip Flash and RAM reduce external memory needs, improving system reliability and lowering component count.
• Flexible USCI serial blocks support UART, SPI, and I2C, easing communication with sensors and peripherals.
• Compact 40?pin package offers many I/O lines while keeping board area smaller than many 48? or 64?pin alternatives.

Typical Applications

• Portable handheld instruments requiring low standby current and accurate 10?bit analog measurements across multiple channels.
• Battery?powered sensor nodes that need UART, SPI or I2C connectivity to external radios and sensor front ends.
• Industrial control panels where a compact 40?pin microcontroller with deterministic timers drives relays and PWM outputs.
• Home appliance modules that need simple human?machine interfaces, ADC sensing, and reliable low?voltage operation for safety.

MSP430G2544IRHA40T Advantages vs Typical Alternatives

The device combines a 16?bit core with integrated Flash and a 10?bit ADC, offering a smaller BOM and lower power than many 8?bit controllers. Compared with larger 32?bit options, it uses fewer clock cycles for common control tasks and consumes less energy in standby. The 40?pin package gives more I/O than minimal packages while keeping board area smaller than many higher?pin MCUs. These traits make it efficient for cost?sensitive embedded designs that require moderate peripheral density and long battery life.

MSP430G2544IRHA40T Brand Info

The MSP430G2544IRHA40T is produced by Texas Instruments (TI). TI is known for mixed?signal integrated circuits and microcontroller families. The MSP430 line emphasizes ultra?low power, compact designs, and broad development support. Designers can leverage TI’s ecosystem, reference designs, and software tools for rapid prototyping and production readiness.

FAQ

What is the core type?

The device uses a 16?bit MSP430 RISC core. This architecture delivers compact code size and efficient control, which helps reduce power consumption and improve responsiveness in embedded systems.

What supply voltage is required?

Operating voltage ranges from 1.8 V to 3.6 V. This allows direct operation from common battery chemistries and regulated systems while supporting low?power sleep modes for energy?constrained designs.

How many ADC channels exist?

The analog front end provides a 10?bit ADC with multiple input channels. This enables direct sampling of several sensors without external converters, lowering system cost and complexity.

Which serial interfaces are supported?

On?chip USCI blocks support UART, SPI, and I2C modes. These interfaces make it straightforward to connect serial sensors, memory, displays, or wireless modules with minimal firmware changes.

What temperature range is supported?

The device is specified for industrial temperature operation from -40 ??C to +85 ??C. This supports deployment in demanding ambient conditions typical of industrial and outdoor equipment.