ATSAM4N8CA-CFUR

Overview

The ATSAM4N8CA-CFUR is a Microchip Technology microcontroller from the SAM4N series, featuring an ARM Cortex-M4 core. It integrates 512 kB of Flash memory and 64 kB of SRAM. The device operates at a maximum clock frequency of 100 MHz and supports a supply voltage range of 1.62 V to 3.6 V. It includes a 10-bit ADC with 9 channels and provides 34 I/O lines. The component is housed in a 48-VFQFN package with exposed pads and is rated for industrial operating temperatures between -40°C and +85°C.

Feature Summary

• Integrates an ARM Cortex-M4 processor core for high-performance execution
• Includes hardware cryptographic acceleration capabilities
• Features multiple communication interfaces including SPI, UART, and I2C

Applications

• Industrial control systems requiring secure data processing
• Smart metering applications with low power requirements
• Consumer electronics utilizing embedded security features

Procurement Notes

Verify the specific suffix CFUR indicates tape and reel packaging when sourcing components. Confirm that the ordering part number matches the exact pinout and package dimensions required for the PCB layout. Ensure compatibility with existing firmware libraries designed for the SAM4N family before procurement.

Selection Notes

Select this component for designs needing a balance of processing speed and integrated security within a compact footprint. The 100 MHz performance suits complex logic tasks, while the QFN-48 package aids in space-constrained layouts. Evaluate peripheral availability against application interface needs prior to final selection.

Part Context

This unit belongs to the SAM4N family, which targets cost-sensitive applications requiring moderate performance and security. It shares architectural similarities with other SAM4 variants but offers distinct memory configurations and package options tailored for specific form factors and integration requirements.

Replacement Considerations

ATSAM4N8AA-AU

FAQ

Does the ATSAM4N8CA-CFUR support hardware cryptography?

Yes, the device includes hardware cryptographic acceleration for enhanced security.

What is the maximum operating frequency of this MCU?

The microcontroller supports a maximum clock frequency of 100 MHz.