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MSP430F5438AIPZ

TIMSP430F5438AIPZ

Texas Instruments
MSP430 CPUXV2 MSP430F5xx Microcontroller IC 16-Bit 25MHz 256KB (256K x 8) FLASH 100-LQFP (14x14)
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Overview

The MSP430F5438AIPZ is an ultra-low-power 16-bit RISC microcontroller from Texas Instruments, featuring 256KB of Flash and 16KB of RAM. It utilizes the MSP430 CPUXV2 architecture and operates at speeds up to 25MHz with a highly flexible power management system. This device is designed for battery-operated applications requiring significant memory and high I/O counts in a 100-pin LQFP package.

Why Choose This Part

The part excels due to its sophisticated clock system that allows for fast wake-up times from low-power modes (LPM) and a programmable LDO for core voltage optimization. It offers a high ratio of analog and digital peripherals, including a 16-channel 12-bit ADC, without sacrificing current consumption, which is as low as 0.1 uA in shutdown mode.

Applications

Battery-Powered Industrial Instrumentation
Utilizes the 12-bit ADC and multiple low-power modes to extend life in remote monitoring equipment.
Handheld Medical Devices
Leverages the 256KB Flash for complex algorithms and the 87 I/O pins for driving displays and user interfaces.
Grid Infrastructure
Ideal for utility metering where robust serial communication (UART, SPI, I2C) and low standby current are critical.
Environmental Data Loggers
Takes advantage of the integrated RTC and DMA to manage sensor data acquisition with minimal CPU intervention.

Key Specifications

Speed 25MHz
RAM Size 16K x 8
Core Size 16-Bit
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity I2C, IrDA, LINbus, SCI, SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 87
Core Processor MSP430 CPUXV2
Package / Case 100-LQFP
Data Converters A/D 16x12b
Oscillator Type Internal
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 100-LQFP (14x14)
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V

Getting Started

Develop using the TI MSP-FET Flash Emulation Tool and the Code Composer Studio (CCS) or IAR Embedded Workbench IDEs. For rapid prototyping, engineers often use the MSP-EXP430F5438 Experimenter Board. Ensure the Unified Clock System (UCS) is correctly configured to balance performance and power consumption for your specific application.

Part of MSP430 family » MSP430F5438

MSP430F5438 Family

Also available as: MSP430F5438AIPZR

Also Consider

MSP430FR5994 TITexas Instruments - Offers 256KB of non-volatile FRAM for faster, lower-power writes compared to traditional Flash memory.
STM32L476VG STMicroelectronics - A 32-bit Cortex-M4 alternative providing higher computational performance and an integrated LCD controller.

Categories

Microcontrollers > Texas Instruments Wearables & Medical > Ultra-Low Power MCUs