ATSAM4S8CB-ANR

Overview

The ATSAM4S8CB-ANR is a 32-bit ARM Cortex-M4 microcontroller from the SAM4S series, manufactured by Microchip Technology. It features 512 kB of Flash program memory and 128 kB of SRAM data RAM. The device operates at a maximum clock frequency of 120 MHz with a 32-bit data bus width. It includes a 16-channel 12-bit ADC and supports I/O voltages of 3.3 V. The unit is housed in a 100-LQFP package and functions within an operating temperature range of -40°C to +105°C.

Feature Summary

• Integrates a high-performance 32-bit ARM Cortex-M4 RISC processor core for efficient code execution.
• Provides extensive connectivity through peripherals including USB Device Port, SPI, USART, and I2C interfaces.
• Features dual-bank Flash implementation with cache memory to optimize instruction fetch performance.

Applications

• Industrial control systems requiring robust processing capabilities
• Medical devices needing extended temperature operation ranges
• Consumer electronics utilizing USB connectivity

Procurement Notes

Verify the specific suffix ANR against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the LQFP-100 form factor. Check for moisture sensitivity levels and reflow soldering profile requirements during assembly planning.

Selection Notes

Select this component when a balance of moderate memory capacity and high-speed processing is required. The 120 MHz speed and 512 kB Flash suit applications needing complex logic without excessive resource overhead. Consider the 105°C rating for environments exceeding standard industrial limits.

Part Context

This part belongs to the SAM4S family of Flash microcontrollers based on the ARM Cortex-M4 architecture. The series offers scalable memory options and peripheral sets designed for cost-sensitive embedded applications. The ATSAM4S8 variant specifically targets mid-range performance needs within this ecosystem.

Replacement Considerations

Consult Microchip's official cross-reference tools for verified substitutes. Potential alternatives within the same family include variants with different memory sizes or packages, such as ATSAM4S8CA or ATSAM4S8BA, subject to pin compatibility and feature verification.