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MSP430G2452IPW20R

TIMSP430G2452IPW20R

Texas Instruments
MSP430 CPU16 MSP430G2xx Microcontroller IC 16-Bit 16MHz 8KB (8K x 8) FLASH 20-TSSOP
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Overview

The MSP430G2452IPW20R is a 16-bit RISC microcontroller from Texas Instruments' Value Line series, designed for ultra-low power consumption. It features 8KB of Flash memory, 256 bytes of RAM, and a 10-bit ADC, operating at speeds up to 16MHz. This MCU is optimized for battery-powered applications where standby current and rapid wake-up times are critical design constraints.

Why Choose This Part

This MCU offers five distinct power-saving modes and a very low active current of 220uA at 1MHz, making it one of the most efficient options in its class. Its architecture provides a 16-bit RISC CPU with a modern instruction set and integrated peripherals like a comparator and a 10-bit ADC in a compact 20-TSSOP package. The inclusion of Spy-Bi-Wire logic simplifies in-system debugging and programming using minimal pins.

Applications

Battery-Powered Remote Sensors
Utilizes the 0.5uA standby current and sub-1us wake-up time to extend battery life in periodic monitoring nodes.
Handheld Portable Instruments
The integrated 10-bit ADC and low-power modes make it suitable for compact, battery-operated measurement devices.
Basic User Interfaces
Capable of managing capacitive touch sensing or simple button/LED matrices using its 16 I/O pins.
Energy Harvesting Systems
Low startup voltage requirements and minimal run current allow operation from limited energy sources like solar or thermal harvesters.

Key Specifications

Speed 16MHz
RAM Size 256 x 8
Core Size 16-Bit
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity I2C, SPI, USI
Mounting Type Surface Mount
Number of I/O 16
Core Processor MSP430 CPU16
Package / Case 20-TSSOP (0.173", 4.40mm Width)
Data Converters A/D 8x10b
Oscillator Type Internal
Program Memory Size 8KB (8K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 20-TSSOP
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V

Getting Started

Developers can begin by using the MSP-EXP430G2ET LaunchPad development kit, which supports the 20-pin TSSOP package via breadboard adapters or socketed DIP equivalents. Software development is typically performed in TI's Code Composer Studio (CCS) or IAR Embedded Workbench, utilizing the MSP430Ware peripheral library for driver configuration. For hardware programming, the MSP-FET Flash Emulation Tool provides a standard JTAG or Spy-Bi-Wire interface.

MSP430G2452 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Stock
MSP430G2452IPW20R (this part) TSSOP-20 2,801
MSP430G2452IN20 DIP-20 33

Also Consider

MSP430FR2422 TITexas Instruments - Features modern FRAM technology for significantly faster write speeds and lower power consumption during non-volatile memory operations.