MSP430G2553IPW20R

Product Overview

MSP430G2553IPW20R 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, Timer_A peripherals, UART, SPI, and I2C interfaces. The device operates from 1.8V to 3.6V and supports an operating temperature range of -40°C to +85°C, making it suitable for portable measurement, sensing, control, and low-power embedded applications.

The MSP430G2553 combines low-power operation with integrated analog and communication peripherals, providing a compact solution for embedded systems requiring efficient processing, sensor acquisition, and serial connectivity.

Key Features

• 16-bit MSP430 RISC architecture

• Maximum CPU frequency up to 16 MHz

• 16KB Flash memory

• 512B SRAM

• 10-bit SAR ADC

• 8-channel ADC

• 200-ksps ADC conversion rate

• Integrated analog comparator

• Two 16-bit Timer_A modules

• Three capture/compare registers per Timer_A module

• Universal Serial Communication Interface (USCI)

• UART with automatic baud-rate detection

• IrDA encoder and decoder

• Synchronous SPI

• I2C interface

• Up to 24 GPIOs

• Capacitive-touch enabled I/O

• Watchdog timer

• Brownout detector

• Spy-Bi-Wire debugging interface

• Five low-power operating modes

• 1.8V to 3.6V supply voltage

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

• 20-pin TSSOP package

• Active product status

Technical Specifications

Processor & Architecture

The MSP430G2553IPW20R integrates a 16-bit MSP430 RISC CPU with 16-bit registers and constant generators designed for efficient code execution. The CPU operates at frequencies up to 16 MHz with a 62.5-ns instruction cycle time.

The MSP430 architecture is optimized for low-power embedded processing and provides rapid transitions between active and low-power operating modes.

Memory & Storage

The MSP430G2553IPW20R provides 16KB of Flash memory and 512B of SRAM. The Flash memory supports in-system programming and can be programmed through the Spy-Bi-Wire/JTAG interface or by the CPU.

Key memory features include:

• 16KB main Flash memory

• 256B information Flash memory

• 512B SRAM

• Segment-based Flash erase and programming

• Calibration data stored in information memory

• Programmable code protection by security fuse

• Bootstrap Loader (BSL) support

Analog Peripherals

The MSP430G2553IPW20R integrates analog peripherals for sensing, measurement, and signal monitoring applications.

10-bit SAR ADC

• 10-bit resolution

• 8 analog input channels

• Up to 200 ksps conversion rate

• Internal voltage reference

• Sample-and-hold function

• Automatic scan capability

Analog Comparator

• Integrated on-chip comparator

• Supports analog signal comparison

• Can be used for slope analog-to-digital conversion

• 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 functionality

• PWM generation

• Timing and event measurement

• Periodic interrupt generation

These timer resources can be used for PWM control, motor and actuator control, waveform generation, timing functions, and embedded scheduling.

Communication & Connectivity

The MSP430G2553IPW20R integrates a Universal Serial Communication Interface (USCI) supporting several common serial protocols.

• Enhanced UART

• Automatic baud-rate detection

• LIN support

• IrDA encoder and decoder

• Synchronous SPI

• I2C interface

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

Clock & Power Management

The MSP430G2553IPW20R includes a Basic Clock Module with multiple clock-source options.

• Internal digitally controlled oscillator frequencies up to 16 MHz

• Four calibrated internal frequencies

• Very-low-power low-frequency oscillator

• 32-kHz crystal oscillator support

• External digital clock source

• ACLK, MCLK, and SMCLK clock signals

The clock system allows designers to balance processing performance and power consumption according to application requirements.

Low-Power Operation

The MSP430G2553IPW20R 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 MSP430G2553IPW20R operates from a 1.8V to 3.6V supply voltage range, supporting battery-powered and low-voltage embedded designs.

Five low-power modes allow the system to reduce energy consumption when full CPU performance is not required while enabling rapid return to active operation.

Security & Data Integrity

The MSP430G2553IPW20R provides several features supporting reliable embedded operation and code protection.

• Programmable code protection through security fuse

• Bootstrap Loader protected by user-defined password

• Brownout detector

• Watchdog timer

• Spy-Bi-Wire/JTAG programming and debugging

• Nonvolatile Flash memory

• Device calibration data stored in information memory

Development & Debugging

The MSP430G2553IPW20R is supported by the Texas Instruments MSP430 development ecosystem, including:

• MSP430 development boards

• MSP430 LaunchPad development platforms

• 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 MSP430G2553IPW20R 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 for application firmware

• Integrated 10-bit ADC for analog sensing

• Integrated comparator

• Flexible UART, SPI, and I2C connectivity

• Two 16-bit Timer_A modules

• Up to 24 GPIOs

• Five low-power operating modes

• Fast wake-up from standby

• Wide 1.8V to 3.6V supply range

• Compact TSSOP-20 package

• Suitable for cost-sensitive embedded applications

Packaging & Ordering Information

• Part Number: MSP430G2553IPW20R

• Manufacturer: Texas Instruments

• Device Family: MSP430G2553

• Package: TSSOP-20

• 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 MSP430G2553IPW20R?

MSP430G2553IPW20R is a Texas Instruments 16-bit ultra-low-power MCU featuring 16KB Flash, 512B SRAM, a 10-bit ADC, comparator, timers, UART, SPI, and I2C interfaces.

What is the maximum operating frequency?

The MSP430G2553IPW20R supports a maximum CPU frequency of 16 MHz.

How much memory does the MSP430G2553IPW20R have?

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

What package does MSP430G2553IPW20R use?

MSP430G2553IPW20R is supplied in a 20-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 MSP430G2553IPW20R 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, IrDA, synchronous SPI, and I2C communication.

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