ATSAM4SD16BB-AN

Overview

The ATSAM4SD16BB-AN is a 32-bit microcontroller from the Microchip SAM4S series, built on the ARM Cortex-M4 core. It operates at a maximum frequency of 120 MHz and features 1 MB of embedded Flash memory with optional dual bank support. The device includes 160 KB of SRAM and 16 KB of ROM for boot loader routines. It supports a supply voltage range of 1.62 V to 3.6 V and is housed in a 100-pin TFBGA package.

Feature Summary

• Integrates an ARM Cortex-M4 processor with a 2 Kbyte cache and DSP instruction set for high-performance computing.
• Includes an 8-bit Static Memory Controller (SMC) supporting SRAM, PSRAM, NOR, and NAND Flash interfaces.
• Features a comprehensive peripheral set including USB 2.0 Device, multiple USARTs, SPI, I2C, and DMA channels.
• Provides robust power management with Sleep and Backup modes, achieving ultra-low current consumption.

Applications

• Industrial control systems requiring robust memory and processing capabilities.
• Consumer electronics utilizing USB connectivity and high-speed data transfer.
• Medical devices needing precise analog-to-digital conversion and low-power operation.
• Automotive applications demanding extended temperature range reliability.

Procurement Notes

Verify the specific suffix 'BB' against official Microchip documentation to confirm pinout and package dimensions, as variations exist within the SAM4S family. Ensure compatibility with existing PCB footprints by cross-referencing the 100-TFBGA(9x9) outline. Confirm RoHS compliance status through the manufacturer's environmental declaration prior to procurement.

Selection Notes

Select this component when 1 MB of Flash and 160 KB of RAM are required alongside a 120 MHz Cortex-M4 core. It is suitable for designs needing extensive peripheral connectivity, including USB and static memory controllers. Consider the 100-pin TFBGA package constraints for board space and thermal management requirements compared to LQFP alternatives.

Part Context

This part belongs to the SAM4S series, which offers pin-to-pin compatibility with SAM3N and SAM3S products. The series is designed for applications requiring high performance and rich peripheral sets. The ATSAM4SD variant specifically emphasizes large memory capacity and advanced interface options for complex embedded systems.

Replacement Considerations

ATSAM4SD16BA-AU

FAQ

Does the ATSAM4SD16BB-AN support dual-bank Flash memory?

Yes, the datasheet specifies that the device supports up to 2048 Kbytes of embedded Flash with optional dual bank and cache memory functionality.

What is the operating temperature range for this microcontroller?

The specified operating temperature range is -40°C to 105°C (TA).