MSP430G2553IPW28R

Product Overview

MSP430G2553IPW28R is a 16-bit ultra-low-power microcontroller from Texas Instruments' MSP430G2553 family. It features a 16 MHz MSP430 RISC CPU, 16KB Flash memory, 512B SRAM, a 10-bit 200-ksps ADC, on-chip comparator, two 16-bit Timer_A modules, and a Universal Serial Communication Interface supporting UART, SPI, and I2C. The device operates from 1.8V to 3.6V and supports an operating temperature range of -40°C to +85°C.

The MSP430G2553 combines low-power operation, integrated analog peripherals, timers, and flexible serial communication interfaces in a compact 28-pin TSSOP package, making it suitable for sensing, measurement, control, and general-purpose embedded applications.

Key Features

• 16-bit MSP430 RISC architecture

• Maximum CPU frequency up to 16 MHz

• 16KB Flash memory

• 512B SRAM

• 10-bit ADC

• 200-ksps ADC conversion rate

• Internal ADC reference, sample-and-hold, and autoscan

• Integrated analog comparator

• Two 16-bit Timer_A modules

• Three capture/compare registers per Timer_A

• Universal Serial Communication Interface (USCI)

• Enhanced UART with automatic baud-rate detection

• LIN support

• IrDA encoder and decoder

• Synchronous SPI

• I2C interface

• Up to 24 capacitive-touch-enabled I/O pins

• Brownout detector

• Five low-power operating modes

• Spy-Bi-Wire interface

• Programmable code protection

• 1.8V to 3.6V supply voltage

• -40°C to +85°C operating temperature

• 28-pin TSSOP package

• Active product status

Technical Specifications

Processor & Architecture

The MSP430G2553IPW28R integrates a 16-bit MSP430 RISC CPU designed for efficient embedded processing and ultra-low-power operation. The architecture supports frequencies up to 16 MHz with a 62.5-ns instruction cycle time.

The MSP430 architecture provides multiple low-power operating modes and fast wake-up capability, allowing designers to balance processing performance and energy consumption.

Memory & Storage

The MSP430G2553IPW28R provides 16KB of Flash memory and 512B of SRAM. The device also includes 256B of information memory for calibration constants and other nonvolatile data.

Key memory features include:

• 16KB main Flash memory

• 256B information Flash memory

• 512B SRAM

• In-system Flash programming

• Segment-based Flash erase and programming

• Calibration data storage

• Programmable code protection

• Bootstrap Loader support

Analog Peripherals

The MSP430G2553IPW28R integrates analog peripherals for sensing, measurement, and signal monitoring applications.

10-bit SAR ADC

• 10-bit resolution

• Up to 8 analog input channels depending on device configuration

• 200 ksps conversion rate

• Internal voltage reference

• Sample-and-hold

• Autoscan capability

Analog Comparator

• Integrated on-chip comparator

• Analog signal comparison

• Slope analog-to-digital conversion capability

• Suitable for threshold detection and sensor interfaces

Timer & PWM Resources

The device includes two 16-bit Timer_A modules, each with three capture/compare registers.

• 2 × 16-bit Timer_A

• 3 capture/compare registers per Timer_A

• Capture and compare functions

• PWM generation

• Timing and event measurement

• Periodic interrupt generation

These timer resources support PWM control, waveform generation, timing measurement, and embedded scheduling.

Communication & Connectivity

The MSP430G2553IPW28R integrates a Universal Serial Communication Interface (USCI) supporting multiple serial communication protocols.

• Enhanced UART

• Automatic baud-rate detection

• LIN support

• IrDA encoder and decoder

• Synchronous SPI

• I2C interface

These communication interfaces allow the MCU to connect with sensors, displays, EEPROMs, converters, communication modules, and other embedded controllers.

Clock & Power Management

The MSP430G2553IPW28R includes a Basic Clock Module with multiple clock-source options.

• Internal calibrated frequencies up to 16 MHz

• Very-low-power low-frequency oscillator

• 32-kHz crystal oscillator

• External digital clock source

• ACLK, MCLK, and SMCLK clock signals

The clock system allows the MCU to operate efficiently across different performance and power requirements.

Low-Power Operation

The MSP430G2553IPW28R is designed for ultra-low-power applications and provides five power-saving modes.

Typical power specifications include:

• Active mode: 230 µA at 1 MHz, 2.2V

• Standby mode: 0.5 µA

• Off mode with RAM retention: 0.1 µA

• Wake-up from standby in less than 1 µs

These features help extend battery life in portable measurement, sensing, and monitoring systems.

Power Management

The MSP430G2553IPW28R operates from a 1.8V to 3.6V supply voltage range, supporting battery-powered and low-voltage embedded systems.

Its five low-power modes allow designers to reduce power consumption when the CPU and peripherals are not required while maintaining fast wake-up performance.

Security & Data Integrity

The MSP430G2553IPW28R provides features supporting reliable operation and code protection.

• Programmable code protection through security fuse

• Bootstrap Loader support

• Brownout detector

• Watchdog timer

• Spy-Bi-Wire interface

• JTAG development support

• Nonvolatile Flash memory

• Device calibration data

Development & Debugging

The MSP430G2553IPW28R is supported by the Texas Instruments MSP430 development ecosystem, including:

• MSP430 LaunchPad development platforms

• MSP430 development boards

• MSP430Ware software

• Code Composer Studio

• TI Resource Explorer

• Spy-Bi-Wire debugging

• JTAG programming and emulation

These tools support firmware development, programming, debugging, and evaluation of MSP430-based applications.

Applications

The MSP430G2553IPW28R is suitable for a wide range of low-power embedded applications, including:

• Portable measurement equipment

• Sensor interfaces

• Battery-powered instruments

• Industrial sensing

• Energy monitoring

• Environmental monitoring

• Data acquisition

• Embedded control

• Capacitive-touch applications

• Consumer electronics

• Low-power IoT devices

• General-purpose microcontroller applications

Benefits

• Ultra-low-power MSP430 architecture

• 16 MHz processing performance

• 16KB Flash memory

• Integrated 10-bit ADC

• Integrated analog comparator

• Flexible UART, SPI, and I2C communication

• Two 16-bit Timer_A modules

• Up to 24 capacitive-touch-enabled I/O pins

• Five low-power operating modes

• Fast wake-up performance

• Wide 1.8V to 3.6V supply range

• Compact TSSOP-28 package

• Suitable for cost-sensitive embedded applications

Packaging & Ordering Information

• Part Number: MSP430G2553IPW28R

• Manufacturer: Texas Instruments

• Device Family: MSP430G2553

• Package: TSSOP-28

• Package Code: PW

• Package Quantity: 2,000 per Large Tape & Reel

• Supply Voltage: 1.8 V to 3.6 V

• Operating Temperature: -40°C to +85°C

• Product Status: ACTIVE

Datasheet

For complete electrical characteristics, pin configuration, memory architecture, ADC specifications, timer configuration, communication interfaces, absolute maximum ratings, and application information, please refer to the official Texas Instruments documentation.

Datasheet: Official MSP430G2553 Datasheet

Frequently Asked Questions

What is MSP430G2553IPW28R?

MSP430G2553IPW28R is a Texas Instruments 16-bit ultra-low-power MCU featuring 16KB Flash, 512B SRAM, a 10-bit ADC, comparator, Timer_A peripherals, UART, SPI, and I2C interfaces.

What is the maximum operating frequency?

The MSP430G2553IPW28R supports a maximum CPU frequency of 16 MHz.

How much memory does the MSP430G2553IPW28R have?

It provides 16KB of main Flash memory, 256B of information Flash memory, and 512B of SRAM.

What package does MSP430G2553IPW28R use?

MSP430G2553IPW28R is supplied in a 28-pin TSSOP package with the PW package code.

What is the operating temperature range?

The specified operating temperature range is -40°C to +85°C.

What voltage does the MSP430G2553IPW28R operate at?

The device operates from 1.8V to 3.6V.

Does it support UART, SPI, and I2C?

Yes. The integrated USCI supports enhanced UART, synchronous SPI, and I2C communication, along with IrDA functionality.

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