ATSAM4E16CB-AN

Overview

The ATSAM4E16CB-AN is a 32-bit microcontroller from the Microchip SAM4E series, featuring an ARM Cortex-M4 core with Floating Point Unit (FPU). It integrates 1 MB of Flash memory and 128 kB of SRAM. The device operates at a maximum clock frequency of 120 MHz and supports a supply voltage range of 1.62 V to 3.6 V. Key peripherals include USB OTG, Ethernet MAC, multiple communication interfaces such as SPI, I2C, and USART, along with high-resolution ADCs. It is housed in a 100-pin LQFP package suitable for surface mount applications.

Feature Summary

• Integrates an ARM Cortex-M4 processor with FPU for efficient digital signal processing and control tasks.
• Includes a built-in Ethernet MAC controller supporting standard network protocols.
• Features a USB On-The-Go (OTG) interface for versatile connectivity options.
• Provides extensive peripheral sets including multiple timers, PWM channels, and high-speed communication buses.

Applications

• Industrial automation controllers requiring robust communication capabilities
• Smart energy metering systems utilizing precise analog-to-digital conversion
• Medical devices needing reliable real-time processing and low power modes
• Consumer electronics integrating USB connectivity and display interfaces

Procurement Notes

Verify the specific suffix 'AN' against the manufacturer's official datasheet to confirm package type, temperature grade, and RoHS compliance status. Ensure that the procurement channel provides valid traceability documentation. Cross-reference the part number with the latest Microchip product change notices to confirm current manufacturing status and any potential obsolescence warnings before finalizing orders.

Selection Notes

Select this component when design requirements demand a balance of high-performance processing and integrated connectivity features. The inclusion of both Ethernet and USB interfaces reduces external component count compared to simpler MCU families. Consider the 120 MHz operating speed and available memory size relative to application complexity. Evaluate pin availability in the 100-pin LQFP package against system I/O requirements to ensure adequate resource allocation.

Part Context

This microcontroller belongs to the SAM4E family, designed for applications requiring advanced connectivity and processing power. The series targets industrial and consumer markets by combining ARM Cortex-M4 performance with integrated peripherals like Ethernet and USB. It serves as a central processing unit in embedded systems where deterministic real-time control and data handling are critical.

Replacement Considerations

Consult Microchip's official cross-reference tools for verified substitutes within the SAM4E or SAM4S families. Ensure replacement parts match the required memory capacity, package dimensions, and electrical specifications. Verify compatibility with existing firmware libraries and development toolchains before transitioning to alternative part numbers.