Manufacturer Part Number

MSP430A155IPZR

Description

16-bit microcontroller with 64KB flash memory and 100-pin LQFP package. Operates up to 25MHz. Comes from Texas Instruments MSP430F6xx series. Known for low power consumption, integrated DMA controller, brown-out reset, LCD interface, and multiple communication standards. Ideal for general-purpose embedded control, measurement, and communication tasks.

Specifications

Core: MSP430, 16-bit

Operating Frequency: Up to 25MHz

Flash Memory: 64KB (64K x 8)

RAM: 4KB

Supply Voltage: 1.8V to 3.6V

Data Converters: 8 channels, 10-bit ADC and 3 channels, 24-bit ADC

Maximum I/O Pins: 72

Connectivity: I2C, IrDA, LINbus, SCI, SPI, UART/USART

Peripherals: LCD Controller, DMA, PWM, Brown-out Detect/Reset, Watchdog Timer

Mounting: Surface-mount, 100-LQFP (14x14mm)

Temperature Range: -40°C to 85°C

RoHS3 Compliant, Moisture Sensitivity Level 3

Device Structure

100-pin LQFP package with compact 14x14mm footprint

Integrated microcontroller core, flash and RAM memory blocks

On-chip voltage regulators and oscillators

Interface circuits for analog and digital I/O

Built-in data converters and multiple communication modules

Performance Characteristics

High efficiency, low power consumption

Fast execution with 16-bit core at up to 25MHz

Accurate analog-to-digital conversion with multiple channels

Supports fast data transmission using various protocols

Stable performance over wide temperature and voltage ranges

Reliable operation thanks to integrated brown-out protection and reset circuits

Application Environments

Industrial automation and control systems

Data acquisition and measurement devices

Consumer electronics

Wearable and portable medical devices

Smart meters and utility monitoring

Embedded systems requiring flexible connectivity and moderate processing power

Selection Guidelines

Choose this model if you need a robust MCU with multiple communication options and good analog capability

Suitable for designs needing many I/O pins and integrated LCD controller

Check supply voltage, package size, and temperature ratings for compatibility with your system

Preferred for applications needing long-term availability and support from Texas Instruments

Usage Considerations

Ensure recommended supply voltage range (1.8V ~ 3.6V) for stable operation

Proper surface-mount assembly required due to LQFP package

Follow moisture sensitivity precautions (MSL 3, 168 hours)

Recommended for use in systems with flash memory requirements of up to 64KB and 4KB RAM

Design for adequate heat dissipation within the specified temperature range

Program using Texas Instruments recommended tools and software environments

Potential Equivalent/Replacement Models

Currently, other models in the MSP430F6xx family with similar specifications may be suitable alternatives, such as MSP430F6559, MSP430F6736, or MSP430F6779 depending on exact requirements for memory and I/O. It is important to verify the pinout, memory size, peripheral availability, and package when choosing an alternative. If you require drop-in replacements or additional options, contact our website Ariat-Tech sales team for expert assistance.

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