Texas Instruments MSP430G2353IPW28

Overview

MSP430G2353IPW28 from Texas Instruments is an ultra-low-power 16-bit RISC mixed-signal microcontroller featuring 4 KB flash, 256 B RAM, a 10-bit 200-ksps ADC with internal reference and autoscan, two 16-bit Timer_A modules (each with three capture/compare registers), USCI_A0 (UART/LIN/IrDA/SPI) and USCI_B0 (SPI/I²C), and an on-chip analog comparator. It operates from 1.8 V to 3.6 V and targets battery-powered sensor nodes and portable measurement systems.

For engineers reviewing the MSP430G2353IPW28 datasheet, MSP430G2353IPW28 pinout, MSP430G2353IPW28 application, or MSP430G2353IPW28 equivalent, key selection criteria include its 28-pin TSSOP package, 4 KB flash/256 B RAM memory configuration, ADC10 channel count (8 inputs), capacitive-touch I/O capability (up to 24 pins), and Spy-Bi-Wire debug interface compatibility.

Technical Context

The MSP430G2353IPW28 implements a 16-bit RISC CPU with constant generators and seven addressing modes, enabling single-cycle register operations. Its clock system integrates a digitally controlled oscillator (DCO) calibrated for 1 MHz, 8 MHz, 12 MHz, and 16 MHz operation, plus LF and external crystal support - enabling sub-1 µs wake-up from LPM4.

Peripherals are memory-mapped and accessible via all instructions. The device supports five low-power modes (LPM0–LPM4), with active-mode current at 230 µA @ 1 MHz / 2.2 V and standby-mode current at 0.5 µA. ADC10 conversion uses internal reference and supports sample-and-hold with autoscan across up to eight channels.

Key Specifications

Pinout & Package

Package: 28-pin TSSOP (PW28), 0.65 mm pitch, body size 9.7 × 4.4 mm, JEDEC MO-153 compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar mixed-signal microcontroller applications.

Compared with MSP430G2453IPW28, the MSP430G2353IPW28 trades flash/RAM headroom for cost-sensitive designs; compared with MSP430G2253IPW28, it adds essential ADC10 functionality for analog signal digitization - making it the minimal viable option for sensor nodes requiring 10-bit conversion.

Availability

MSP430G2353IPW28 is available at Aetrix Electronics and suitable for smart sensor nodes, portable medical monitors, industrial control panels, and energy harvesting IoT endpoints requiring stable component supply and long-term manufacturability.

Supply support for MSP430G2353IPW28 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and consumer markets.

The MSP430G2xx family delivers ultra-low-power mixed-signal microcontrollers optimized for battery-operated sensor acquisition, portable instrumentation, and energy-constrained embedded control - with emphasis on minimizing active and standby current while integrating essential analog and communication peripherals.

FAQ

What is the maximum ADC10 sampling rate supported by the MSP430G2353IPW28?

The MSP430G2353IPW28 supports a maximum ADC10 sampling rate of 200 ksps under specified conditions (VCC ≥ 2.2 V, ADC10CLK = 5 MHz). This rate assumes internal reference use, sample-and-hold enabled, and autoscan disabled. Actual throughput may vary with clock source stability and reference settling time.

Does the MSP430G2353IPW28 support hardware UART with auto-baudrate detection?

Yes, the MSP430G2353IPW28's USCI_A0 module supports enhanced UART with LIN-compatible auto-baudrate detection. This feature allows the MSP430G2353IPW28 to automatically synchronize to incoming serial frames without prior knowledge of the transmitter's baud rate - useful in master-slave sensor networks where slave timing varies.

Can the MSP430G2353IPW28 operate without an external crystal?

Yes, the MSP430G2353IPW28 can operate entirely from its internal digitally controlled oscillator (DCO), which is factory-calibrated for 1 MHz, 8 MHz, 12 MHz, and 16 MHz. External crystals (e.g., 32.768 kHz) are optional and used only when higher precision timing or ultra-low-power real-time clock functionality is required.

How many I/O pins on the MSP430G2353IPW28 support capacitive-touch sensing?

The MSP430G2353IPW28 supports capacitive-touch sensing on up to 24 I/O pins - all P1.x, P2.x, and P3.x pins (24 total in the 28-pin TSSOP package). Each pin includes a dedicated oscillator enable bit (e.g., P1SEL, P2SEL) to activate the internal RC oscillator required for touch measurement.

Is the MSP430G2353IPW28 pin-compatible with other devices in the MSP430G2x53 family?

Yes, the MSP430G2353IPW28 is pin-compatible with other 28-pin TSSOP variants in the MSP430G2x53 family (e.g., MSP430G2453IPW28, MSP430G2553IPW28). All share identical pin functions, electrical characteristics, and package dimensions - enabling drop-in replacement when upgrading flash/RAM or peripheral features.