ATSAM4N8BA-AUR

Overview

The ATSAM4N8BA-AUR is a Microchip Technology ARM microcontroller from the SAM4N series, featuring an ARM Cortex-M4 core with single-precision floating-point unit. It integrates 512 kB of Flash program memory and 64 kB of SRAM data RAM within a 64-pin LQFP package. The device operates at a maximum clock frequency of 100 MHz and supports a supply voltage range of 1.62 V to 1.95 V. It includes 34 general-purpose I/O pins, eight 10-bit ADC channels, and standard communication interfaces such as I2C, SPI, and UART.

Feature Summary

• Integrates an ARM Cortex-M4 processor core with hardware floating-point acceleration for efficient signal processing.
• Provides non-volatile Flash memory for persistent code storage alongside static RAM for rapid data access.
• Supports multiple serial communication protocols including I2C, SPI, and UART for peripheral connectivity.

Applications

• Industrial control systems requiring low-power embedded processing
• Consumer electronics utilizing ARM-based microcontrollers
• General-purpose IoT nodes with limited I/O requirements

Procurement Notes

Verify the specific suffix 'AUR' indicates tape-and-reel packaging when sourcing components. Confirm that the operating temperature range meets industrial standards if deployed in harsh environments. Ensure compatibility with 3.3 V logic levels for all connected peripherals. Check for RoHS compliance documentation prior to final procurement approval.

Selection Notes

Select this component for applications needing a balance of processing power and pin count in a compact footprint. The 100 MHz speed suits moderate computational loads without excessive power consumption. Consider the 64-pin LQFP package for ease of surface-mount assembly compared to smaller BGA options.

Part Context

This part belongs to the SAM4N family, designed for cost-sensitive applications requiring Cortex-M4 performance. It shares architectural similarities with other SAM4 variants but offers distinct memory and I/O configurations tailored for specific market segments.

FAQ

Does the ATSAM4N8BA-AUR include a floating-point unit?

Yes, the ARM Cortex-M4 core integrated into this microcontroller includes a single-precision floating-point unit (FPU).

What is the maximum operating voltage for this MCU?

The maximum supply voltage specified for the ATSAM4N8BA-AUR is 1.95 V.