ATSAM4SD16BA-AU

Overview

The ATSAM4SD16BA-AU is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at a maximum frequency of 120MHz. It features 1MB of in-system programmable flash memory and 128KB of SRAM. The device includes an Ethernet MAC with a dedicated DMA controller, supporting full-duplex operation. Connectivity options include USB OTG, three SPI interfaces, two I2C interfaces, and two USARTs. It integrates 11-channel 12-bit ADCs and two 12-bit DACs. The component operates within a voltage range of 1.62V to 3.6V and supports industrial temperature ranges.

Feature Summary

• Integrated Ethernet MAC with DMA for high-speed network communication
• USB On-The-Go (OTG) interface supporting host and device modes
• Advanced analog peripherals including multiple 12-bit ADCs and DACs
• Comprehensive peripheral set including SPI, I2C, and USART interfaces

Applications

• Industrial automation controllers requiring Ethernet connectivity
• Smart metering systems with analog signal processing needs
• Medical devices utilizing USB data transfer and precise analog inputs
• Consumer electronics featuring networked control capabilities

Procurement Notes

Verify the specific suffix 'AU' confirms the LQFP package and industrial temperature rating during sourcing. Confirm RoHS compliance status through official Microchip documentation. Ensure ESD handling protocols are followed due to the sensitivity of the CMOS technology. Cross-reference the datasheet revision to ensure compatibility with existing design files.

Selection Notes

Select this model when both Ethernet and USB connectivity are required alongside significant onboard memory. The 120MHz performance suits applications needing real-time processing of network packets. Consider the 64-pin LQFP package constraints for PCB layout. Evaluate power consumption requirements against the 1.62V to 3.6V supply range.

Part Context

This component belongs to the SAM4S series of microcontrollers from Microchip Technology. The series is designed for cost-sensitive applications requiring robust connectivity and processing power. The SAM4S family utilizes the ARM Cortex-M4 architecture to deliver efficient code execution. This specific part bridges the gap between simple MCUs and complex MPUs.

FAQ

Does the ATSAM4SD16BA-AU support CAN bus communication?

No, the ATSAM4SD16BA-AU does not include a built-in CAN controller. It relies on Ethernet, USB, and standard serial interfaces for communication.

What is the maximum clock speed of the Cortex-M4 core in this device?

The internal processor core operates at a maximum frequency of 120MHz.