MSP430G2102IRSA16T 16-bit Microcontroller (IRSA16T)

MSP430G2102IRSA16T Overview

The MSP430G2102IRSA16T is a low-power, 16-bit microcontroller for simple embedded designs. It combines an energy-efficient CPU with compact memory and basic peripherals for sensor interfaces, timing, and serial links. Its small 16-pin package and industrial temperature rating make it suitable for space-constrained and rugged applications. For sourcing and factory-direct ordering, see IC Manufacturer.

MSP430G2102IRSA16T Technical Specifications

MSP430G2102IRSA16T Key Features

• 16-bit core ?? delivers efficient integer math with lower code size compared to 8-bit parts.
• Ultra-low-power design ?? multiple sleep modes reduce energy use for battery-powered systems.
• Compact memory ?? small flash and SRAM footprint supports lean, cost-sensitive firmware.
• Integrated Timer_A ?? accurate timing and capture/compare for PWM, timekeeping, and event capture.
• Universal Serial Interface ?? flexible serial connectivity for UART, SPI, or I2C with fewer external components.
• Industrial temperature ?? rated for -40 ??C to +85 ??C for more reliable operation in fielded equipment.

Typical Applications

• Battery-powered sensor nodes that require sub-??A standby, basic ADC or comparator front-end, and long operational lifetime in compact form factors.
• Simple motor controls and actuator drivers where a low-pin-count MCU provides PWM timing and capture without the cost of a high-end controller.
• Consumer or industrial human interface devices that need debounce, basic serial connectivity, and minimal firmware footprint in a small package.
• Embedded metering and data-logging modules that demand stable operation across -40 ??C to +85 ??C and reliable watchdog reset features.

MSP430G2102IRSA16T Advantages vs Typical Alternatives

The device blends a 16-bit CPU with very low active and standby power. Compared to many 8-bit alternatives, it offers higher computational efficiency and smaller code for similar tasks. Versus larger MCUs, it reduces BOM cost and board area thanks to the 16-pin package and integrated serial support. For power-sensitive and space-limited projects, it provides a balanced mix of performance, power, and peripheral integration.

MSP430G2102IRSA16T Brand Info

The MSP430G2102IRSA16T is part of the MSP430 family from Texas Instruments. TI positions these MCUs for ultra-low-power embedded applications. The brand emphasizes long-term supply, broad support resources, and integrated development tools for fast prototype-to-production cycles.

FAQ

What is the operating voltage range?

The microcontroller operates from 1.8 V to 3.6 V. This range supports common battery chemistries and regulated supply rails in portable and industrial systems.

Does it support serial communication?

Yes. The device includes a Universal Serial Interface (USI) that can be configured to handle common protocols such as UART, SPI, and I2C, which simplifies sensor and peripheral connections.

What temperature range can it handle?

It is rated for industrial temperatures from -40 ??C to +85 ??C, making it suitable for deployed equipment and harsh environments that require consistent operation.

How much memory is available for code?

Flash memory is 2 KB. This is intended for compact firmware, boot routines, and simple application stacks where tight code size is important.

Are there low-power modes for battery use?

Yes. Multiple low-power modes are provided to minimize consumption during idle periods. The architecture supports sub-microamp standby currents for long battery life.