MSP430G2102IN20 16-Bit Microcontroller 20-Pin PDIP

MSP430G2102IN20 Overview

The MSP430G2102IN20 is a low-power, 16-bit microcontroller in the MSP430 family, optimized for simple sensing and control tasks in industrial and battery-powered systems. It combines a compact package with a single 16-bit CPU core, a 16-bit timer and essential peripheral functions to support timekeeping, pulse generation and basic serial interfacing. Use cases favor low quiescent current and deterministic timing in 20-pin hardware designs. For procurement and supplier information, see IC Manufacturer.

MSP430G2102IN20 Technical Specifications

MSP430G2102IN20 Key Features

• Single 16-bit CPU that provides compact code density and predictable instruction timing for embedded control.
• Low-voltage operation across a 1.8?C3.6 V range, enabling compatibility with common single-cell and dual-cell battery designs.
• 16-bit Timer_A for precise timing, PWM generation and capture/compare tasks that matter in motor control and sensor timing.
• Small PDIP-20 package that simplifies prototyping, breadboarding and legacy board retrofit compared with surface-mount-only parts.
• On-chip watchdog to improve reliability and automatic recovery in unattended industrial or remote systems.
• Integrated serial peripheral (USI) for simple SPI/I2C-style connections, reducing external component count and board cost.
• Industrial temperature range (-40 ??C to +85 ??C) for deployment in harsher environments versus consumer-grade parts.
• Efficient interrupt handling that supports responsive control loops with low overhead and deterministic latency.

Typical Applications

• Battery-operated sensor nodes requiring long standby life and low supply voltage while supporting periodic data sampling and transmission over simple serial links.
• Industrial process controllers that need deterministic timing for control loops, PWM outputs for actuators and simple watchdog-based fault recovery.
• Human-machine interface panels with basic button inputs, indicator outputs and low-power sleep modes to extend service intervals in embedded projects.
• Legacy product upgrades where a PDIP-20 package allows direct replacement on through-hole PCBs while adding modern low-power performance and integrated peripherals.

MSP430G2102IN20 Advantages vs Typical Alternatives

The MSP430G2102IN20 stands out for its combination of a 16-bit RISC core and ultra-low-voltage support in a PDIP-20 package, giving designers more flexibility than many SMD-only microcontrollers. It typically consumes lower standby current and provides tighter timing via a 16-bit Timer_A compared with 8-bit alternatives. For small embedded control tasks, it offers a simpler BOM and more deterministic interrupt behavior, making it a strong choice for efficient, reliable and compact designs.

MSP430G2102IN20 Brand Info

The MSP430 family is manufactured by Texas Instruments, a global semiconductor supplier known for mixed-signal and embedded processing solutions. This device aligns with TI??s focus on low-power embedded MCUs and is positioned for industrial and battery-powered applications that require proven silicon and broad ecosystem tools.

FAQ

What voltage range does it support?

It operates across a low-voltage range suitable for single-cell and dual-cell battery systems, enabling designers to select common 1.8?C3.6 V power rails for efficient operation.

Which package is this part in?

The part number suffix indicates a 20-pin through-hole PDIP package, which simplifies prototyping and retrofit into legacy board designs that accept PDIP devices.

Does it include hardware timers?

Yes, the device includes a 16-bit Timer_A peripheral, which supports capture/compare and PWM functions useful for precise timing and control tasks without external timers.

Is it suitable for industrial temperatures?

It is specified for industrial ambient ranges, allowing deployment in environments from well below freezing to elevated operating temperatures typically required in industrial electronics.

Who supplies development tools and support?

Texas Instruments provides development tools, reference documentation and software support for the MSP430 family, helping engineers evaluate, prototype and integrate the device into production systems.