ATSAM4S16BB-AN

Overview

The ATSAM4S16BB-AN is a 32-bit microcontroller from the Microchip SAM4S series, built on an ARM Cortex-M4 core. It operates at a maximum frequency of 120 MHz and includes 16 KB of embedded Flash memory and 6 KB of SRAM. The device features a 12-bit ADC with 16 channels and two 12-bit DACs. Connectivity options include USB 2.0 Full-Speed Device, multiple USARTs, SPI, I2C, and SSC interfaces. It is housed in a 64-pin LQFP package and supports a supply voltage range of 1.62 V to 3.6 V.

Feature Summary

• ARM Cortex-M4 processor with DSP instruction set and Memory Protection Unit
• Integrated USB 2.0 Full-Speed Device port with on-chip transceiver
• High-speed analog peripherals including 16-channel 12-bit ADC and dual 12-bit DAC
• Comprehensive communication interfaces supporting USART, SPI, I2C, and SSC

Applications

• Industrial control systems requiring robust peripheral integration
• Consumer electronics utilizing USB connectivity for data transfer
• Medical devices needing precise analog signal acquisition via ADC
• Smart home appliances operating within standard voltage ranges

Procurement Notes

Verify the specific suffix 'AN' against the manufacturer's current datasheet to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the 64-LQFP form factor. Cross-reference part numbers with official Microchip documentation to avoid confusion with similar SAM4S variants that may differ in memory size or pinout configuration.

Selection Notes

Select this component when a balance of processing power and low pin count is required. The 64-pin LQFP package suits space-constrained designs. Consider the 120 MHz speed and available RAM for applications handling moderate computational loads. Verify that the integrated USB and analog peripherals meet system requirements without needing external components.

Part Context

This MCU belongs to the SAM4S family, designed for high-performance applications using the ARM Cortex-M4 architecture. The series emphasizes energy efficiency and rich peripheral sets, making it suitable for diverse embedded environments. The ATSAM4S16BB-AN represents a specific configuration within this lineup, tailored for applications needing moderate memory and extensive I/O capabilities.

Replacement Considerations

Consult the official SAM4S Series Datasheet for verified pin-to-pin compatible alternatives. Substitutes must match the ARM Cortex-M4 core, 120 MHz speed, and 64-LQFP package constraints. Verify memory specifications and peripheral availability before implementation.