MSP430G2153IN20 16-bit Low-Power Microcontroller, 20-Pin PDIP

MSP430G2153IN20 Overview

The MSP430G2153IN20 is an ultra-low-power, 16-bit microcontroller in a 20-pin package. It combines a compact memory footprint with integrated analog and timer peripherals to address simple embedded control tasks. The device targets battery-powered and space-constrained designs that need lower power and fewer pins than larger MCUs. For sourcing or further product support, see IC Manufacturer.

MSP430G2153IN20 Technical Specifications

MSP430G2153IN20 Key Features

• Single 16-bit core with compact code density to reduce program size and speed up control loops.
• Integrated 10-bit ADC for direct sensor interfacing, which reduces external components and board area.
• Low-voltage operation from 1.8 V to 3.6 V, enabling compatibility with smaller battery chemistries and lower power rails.
• USI serial interface that supports UART, I2C, and SPI modes, increasing peripheral compatibility with fewer pins.
• 16-bit Timer_A provides precise timing, PWM generation, and capture/compare functions for motor control and signal timing.
• Multiple low-power modes to minimize current draw in standby and extend operational life in battery applications.
• Small 20-pin PDIP package that simplifies prototyping and supports legacy through?hole assemblies.

Typical Applications

• Battery-powered sensor nodes where low standby current and a 10-bit ADC reduce power consumption and component count for long-term deployment.
• Simple industrial controllers that need precise timing and PWM, while fitting into smaller PCBs and lower BOM cost than larger MCUs.
• Consumer handheld devices that require compact flash and SRAM, plus serial interfaces for display or external memory communications.
• Education and prototyping where a 20-pin PDIP package eases breadboard work and helps students compare microcontroller performance directly.

MSP430G2153IN20 Advantages vs Typical Alternatives

The device favors lower power and smaller size compared with many 32-bit alternatives. It uses a 16-bit RISC core to deliver similar control performance at lower active and standby currents. Flash and SRAM sizes are optimized for compact applications, reducing cost versus higher-memory parts. The built-in 10-bit ADC and USI serial block lower system complexity and the need for external peripherals, which translates to fewer PCB layers and smaller BOMs.

MSP430G2153IN20 Brand Info

The MSP430G2153IN20 is part of Texas Instruments’ MSP430 family. The brand emphasizes ultra-low-power microcontrollers with integrated analog and timing peripherals for embedded control. TI provides documentation, development tools, and community resources that help engineers implement compact, power-efficient designs quickly.

FAQ

What supply voltage range does it support?

The device operates across a low-voltage range from 1.8 V to 3.6 V. This allows direct use with common single-cell lithium and alkaline battery sources and supports low-voltage system rails.

How many GPIOs are available?

The MCU exposes up to 16 general-purpose I/O pins. These pins can be used for digital input, output, and peripheral functions such as timer capture/compare and ADC channels.

Is there an onboard ADC for sensor input?

Yes. A 10-bit analog-to-digital converter is integrated on-chip. It supports direct sensor interfacing and reduces the need for external ADC hardware in many measurement applications.

Which serial interfaces are supported?

The device includes a USI serial block that supports UART, I2C, and SPI modes. This provides flexible connectivity to displays, sensors, memory, and other peripherals while conserving pin count.

What package is recommended for prototyping?

The 20-pin PDIP package is suitable for breadboard prototyping and through-hole assembly. It simplifies early development and testing compared with smaller surface-mount packages.