ATSAM4S16CB-AN

Overview

The ATSAM4S16CB-AN is a 32-bit microcontroller from the SAM4S series, manufactured by Microchip Technology. It integrates an ARM Cortex-M4 core operating at up to 120 MHz with 1 MB of embedded Flash memory and 160 KB of SRAM. The device features a 100-TFBGA package and supports a supply voltage range of 1.62 V to 3.6 V. Key peripherals include USB 2.0, multiple USARTs, SPI, I2C, and a 12-bit ADC. It operates within a temperature range of -40°C to 105°C.

Feature Summary

• Integrates an ARM Cortex-M4 processor with DSP instructions and a Memory Protection Unit for secure execution.
• Includes a high-precision internal RC oscillator with factory trimming for reliable startup without external components.
• Supports low-power operation through Sleep and Backup modes, achieving current consumption down to 1 µA in Backup Mode.
• Features an embedded voltage regulator allowing single-supply operation and comprehensive power management peripherals.

Applications

• Industrial control systems requiring robust performance and wide temperature tolerance
• Smart metering applications utilizing built-in security and communication interfaces
• Consumer electronics devices needing efficient power management and integrated USB connectivity

Procurement Notes

Verify the specific suffix 'AN' against official Microchip documentation to confirm pinout compatibility and environmental ratings. Ensure the selected package variant matches the PCB footprint requirements. Cross-reference the datasheet revision history for any errata or design changes that may impact integration into existing hardware designs.

Selection Notes

Select this component when a balance of high processing speed and extensive memory is required within a compact TFBGA form factor. Consider the availability of the 100-pin interface for complex peripheral connections. Evaluate the thermal characteristics of the TFBGA package against the application's heat dissipation capabilities to ensure stable operation under load.

Part Context

The ATSAM4S16CB-AN belongs to the SAM4S family, which provides pin-to-pin compatibility with previous generations like SAM3S and SAM7S. This continuity facilitates migration strategies for legacy systems. The series is designed to offer enhanced security features and improved power efficiency compared to earlier architectures while maintaining software compatibility.

Replacement Considerations

Consult the official SAM4S Series Datasheet for verified substitute part numbers. Ensure any replacement maintains identical memory sizes, package dimensions, and electrical specifications to guarantee functional equivalence without redesigning the host system.