ATSAM4S8CB-CFNR

Overview

The ATSAM4S8CB-CFNR is a Microchip Technology ARM microcontroller featuring an ARM Cortex-M4 core. It integrates 512 kB of flash memory and 64 kB of SRAM within a 100-pin VFBGA package. The device supports a maximum clock frequency of 120 MHz and operates on a supply voltage range of 1.62 V to 3.6 V. It includes 79 I/O lines, eight 10-bit ADC channels, and six timers/counters. Communication interfaces include I2C, SPI, UART, USART, and USB. The component is rated for an industrial temperature range of -40°C to +85°C.

Feature Summary

• Integrates hardware cryptographic accelerators for secure data processing
• Features a low-power sleep mode to minimize energy consumption during idle periods
• Includes built-in brown-out detection and power-on reset circuits

Applications

• Industrial control systems requiring secure communication
• Consumer electronics with embedded security features
• Medical devices utilizing cryptographic protection

Procurement Notes

Verify the specific suffix CFNR against official datasheets to confirm the VFBGA-100 package and extended temperature rating. Ensure compatibility with existing PCB footprints and reflow profiles. Cross-reference the manufacturer's latest documentation for any silicon errata or design recommendations relevant to this specific variant before finalizing procurement.

Selection Notes

Select this model when a balance of moderate memory capacity and high-speed processing is required in a compact footprint. The inclusion of USB and cryptographic peripherals makes it suitable for connected devices. Compare against other SAM4S variants if larger memory or different interface options are needed. Verify that the 120 MHz performance meets system timing requirements.

Part Context

This component belongs to the SAM4S family of 32-bit ARM Cortex-M4 microcontrollers. The series is designed for applications needing robust performance and security features. The ATSAM4S8CB-CFNR specifically targets industrial and consumer markets with its integrated crypto engine and standard connectivity options.

Replacement Considerations

Consult official substitution lists for compatible parts within the SAM4S family. Verify pinout and register compatibility before replacing.