ATSAM4N16BA-MU

Overview

The ATSAM4N16BA-MU is a 32-bit ARM Cortex-M4 microcontroller from the SAM4N series, manufactured by Microchip Technology. It features 1 MB of in-system programmable Flash memory and 80 kB of SRAM. The device operates with a maximum clock frequency of 100 MHz and supports an operating voltage range of 1.62 V to 1.95 V. It includes 47 general-purpose I/O pins, a 10-bit ADC with 10 channels, and six timer/counters. Connectivity options include I2C, SPI, and UART interfaces. The component is housed in a 64-lead LQFP package and is rated for industrial temperatures between -40°C and +85°C.

Feature Summary

• Integrates an ARM Cortex-M4 processor core with single-cycle hardware multiplier and DSP instructions for efficient signal processing.
• Provides extensive peripheral connectivity including multiple communication interfaces and analog-to-digital conversion capabilities.
• Features robust power management with low-power modes and flexible supply voltage requirements.

Applications

• Industrial control systems requiring reliable MCU performance
• Consumer electronics utilizing ARM-based processing
• Embedded applications needing secure data handling

Procurement Notes

Verify the specific suffix 'MU' against official Microchip documentation to confirm the exact package type and temperature grade. Ensure compatibility with existing board layouts for the LQFP-64 footprint. Check for any recent Product Change Notifications (PCNs) regarding assembly location or material changes that may affect qualification.

Selection Notes

Select this component when a balance of code capacity and processing speed is required within a compact package. Compare against the ATSAM4N16CA-AU if a different pin count or package style is preferred. Consider the ATSAM3N series if lower cost and simpler peripherals suffice for the application requirements.

Part Context

This part belongs to the SAM4N family, designed for cost-sensitive embedded applications. It shares architectural similarities with other SAM4N variants but offers specific memory and package configurations. The series targets markets such as home appliances, industrial automation, and portable devices where efficiency and integration are critical.

Replacement Considerations

Official substitutes within the same family include ATSAM4N16BA-AU and ATSAM4N16CA-AU. Verify pinout compatibility and electrical specifications before substitution. Cross-reference datasheets for any differences in peripheral availability or package dimensions.