ATSAM4N8BA-MUR

Overview

The ATSAM4N8BA-MUR is a 32-bit ARM Cortex-M4 microcontroller from the SAM4N series, operating at a maximum clock frequency of 100 MHz. It features 512 kB of Flash program memory and 64 kB of SRAM data RAM. The device supports a supply voltage range of 1.62 V to 3.6 V and includes an integrated 10-bit ADC with 10 channels. It provides 47 general-purpose I/Os and interfaces including I2C, SPI, and UART. The component is housed in a 64-pin QFN package and operates within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates an ARM Cortex-M4 processor core for efficient code execution
• Includes non-volatile Flash memory for persistent program storage
• Supports multiple communication protocols via dedicated peripheral controllers
• Features analog-to-digital conversion capabilities for sensor interfacing

Applications

• Industrial control systems requiring low power consumption
• Consumer electronics with limited space constraints
• Embedded applications utilizing serial communication interfaces
• Battery-powered devices needing efficient power management

Procurement Notes

Verify the specific suffix 'MUR' corresponds to the reel packaging format required for your assembly line. Confirm that the voltage range and pinout match your schematic design. Ensure compliance with RoHS directives if applicable to your region. Check for moisture sensitivity level requirements during storage and handling procedures before soldering.

Selection Notes

Select this model when a balance between processing power and memory size is needed for cost-sensitive applications. The 100 MHz speed suits moderate complexity tasks without excessive power draw. Consider the 64-QFN package for compact board layouts. Verify that the available I/O count meets interface requirements for sensors and peripherals.

Part Context

This component belongs to the Microchip SAM4N family, designed for high-performance, low-power embedded applications. It utilizes the ARM Cortex-M4 architecture, offering DSP instructions and a floating-point unit. The series targets markets such as industrial automation and consumer goods where reliability and efficiency are critical.

Replacement Considerations

Check for direct substitutes within the SAM4N series with different memory sizes or package options. Verify compatibility with existing firmware due to potential register differences. Ensure thermal characteristics and pin assignments remain identical for drop-in replacement scenarios.