ATSAM4SA16CB-CFN

Overview

The ATSAM4SA16CB-CFN is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at speeds up to 120 MHz. It features 1 MB of in-system programmable Flash memory and 160 KB of SRAM. The device utilizes a 100-TFBGA (9x9) package with 79 available I/O lines. It supports a supply voltage range of 1.62 V to 3.6 V and operates within an industrial temperature range of -40°C to 85°C.

Feature Summary

• Integrates an ARM Cortex-M4 processor with hardware floating-point unit for efficient digital signal processing.
• Includes extensive connectivity options such as USB Full Speed, multiple SPI, I2C, and USART interfaces.
• Features high-resolution analog converters including sixteen 12-bit ADCs and two 12-bit DACs.
• Supports external memory interface (EBI/EMI) for expanding system storage capabilities.

Applications

• Industrial control systems requiring robust communication protocols
• Medical devices utilizing precise analog signal acquisition
• Consumer electronics with USB connectivity requirements
• Motor control applications leveraging hardware floating-point performance

Procurement Notes

Verify the specific suffix 'CFN' against official Microchip documentation to confirm the exact package dimensions and thermal characteristics. Ensure compatibility with existing PCB footprints for the 100-TFBGA configuration. Cross-reference the manufacturing date code and lot traceability requirements with your quality assurance standards before finalizing procurement orders.

Selection Notes

Select this component when a balance of high memory capacity and rich peripheral integration is required within a compact surface-mount package. It is suitable for designs needing USB host or device functionality alongside significant data processing loads. Consider the 120 MHz clock speed for real-time application demands and verify that the 1.62 V to 3.6 V supply range aligns with the target system power architecture.

Part Context

This part belongs to the SAM4S series of 32-bit microcontrollers designed for cost-sensitive embedded applications. The series shares a common instruction set architecture while varying in memory size and package options. The ATSAM4SA16CB-CFN represents a mid-to-high capacity variant within this family, offering substantial program storage and RAM for complex firmware implementations.

Replacement Considerations

Consult the official SAM4S Series Datasheet for qualified pin-compatible alternatives within the same package type. Verify electrical specifications and memory configurations when considering cross-series replacements from other manufacturers to ensure functional equivalence.