ATSAM4E16CB-CNR

Overview

The ATSAM4E16CB-CNR is an ARM-based microcontroller from the Microchip SAM4E series, featuring a 32-bit ARM Cortex-M4 core with a floating-point unit. It integrates 1 MB of in-system self-programmable 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 1.08 V to 1.32 V for the core, with I/O pins rated for 3.3 V. It includes a 12-channel, 12-bit analog-to-digital converter (ADC) and multiple communication interfaces such as I2C, SPI, and USART.

Feature Summary

• Integrates a high-performance ARM Cortex-M4 processor core with hardware floating-point support for efficient signal processing.
• Provides extensive non-volatile memory capacity with 1 MB of flash and 128 kB of static RAM for complex application storage.
• Features a versatile analog front-end with a 12-bit ADC offering 12 input channels for precise sensor interfacing.

Applications

• Industrial control systems requiring robust processing and analog input capabilities
• Medical devices needing high-precision data acquisition and reliable operation
• Smart metering applications utilizing low-power modes and secure memory features

Procurement Notes

Verify the specific suffix 'CNR' against the official Microchip datasheet to confirm it denotes the reel packaging format and industrial temperature grade. Ensure the ordering part number matches the exact pin count and package dimensions required by your PCB design. Cross-reference the RoHS compliance status directly with the manufacturer's current documentation before finalizing procurement.

Selection Notes

Select this component when a balance of high computational performance and large memory capacity is required within the SAM4E family. It is suitable for designs that benefit from the Cortex-M4 architecture's DSP instructions and FPU. Consider the LQFP-100 package constraints and the specific voltage requirements for both the core and I/O domains during system architecture planning.

Part Context

This microcontroller belongs to the Microchip SAM4E series, which targets cost-sensitive applications demanding high performance. The series is characterized by its integration of ARM Cortex-M4 cores with varying memory sizes. The ATSAM4E16 variant specifically offers the 1 MB flash configuration, positioning it above smaller variants like the ATSAM4S series in terms of program storage capability.

Replacement Considerations

Consult the official Microchip SAM4E family datasheet for confirmed cross-references. Potential substitutes may include other members of the ATSAM4E series with different memory densities or package options, provided they maintain pin compatibility and functional equivalence for the specific application requirements.