ATSAMV71N20B-CBT

Overview

The ATSAMV71N20B-CBT is an automotive-grade microcontroller based on the 32-bit ARM Cortex-M7 processor with a floating-point unit. It features 1 MB of Flash memory, 384 kB of SRAM, and operates at a maximum clock frequency of 300 MHz. The device includes 10-channel 12-bit ADCs and 2-channel 12-bit DACs. It supports interfaces such as CAN, Ethernet AVB, I2S, ISI, SD, SPI, UART, USART, and USB. Operating voltage ranges from 1.2 V to 1.32 V, with an extended temperature range of -40°C to +105°C.

Feature Summary

• Automotive qualification compliant with ISO-TS-16949 standards for high reliability in vehicle environments.
• Integrated Ethernet Audio Video Bridging (AVB) support for deterministic network communication.
• High-performance processing capability via ARM Cortex-M7 core with hardware floating-point unit.
• Comprehensive analog interface suite including multiple ADC and DAC channels for sensor integration.

Applications

• Automotive infotainment systems requiring high-speed data processing and audio/video streaming.
• Advanced driver assistance systems (ADAS) utilizing camera inputs via ISI interface.
• In-vehicle networking gateways leveraging Ethernet AVB and CAN capabilities.
• Digital instrument clusters demanding real-time display rendering and user interaction.

Procurement Notes

Verify the specific suffix 'CBT' indicates tape-and-reel packaging when ordering. Confirm that the component meets the required AEC-Q100 grade specifications for your target automotive application segment. Ensure compatibility with the 1.2 V to 1.32 V core voltage domain during power supply design. Cross-reference the latest datasheet revision for any errata or pinout adjustments prior to finalizing the bill of materials.

Selection Notes

Select this model if your design requires automotive certification alongside high-performance multimedia processing. Compare against non-automotive variants like the ATSAME70 series if environmental ruggedness is not critical. Consider the TFBGA-100 package constraints regarding PCB layout density and thermal dissipation requirements. Evaluate peripheral needs such as the specific count of Ethernet and CAN controllers against alternative SAM V71 family members.

Part Context

This component belongs to the Microchip SAM V71 family, designed specifically for automotive applications. It shares architectural similarities with the SAM E70 and SAM S70 families but distinguishes itself through automotive-grade manufacturing processes and qualification. The family targets complex embedded control tasks requiring significant computational power and robust connectivity options within strict automotive reliability standards.

Replacement Considerations

Direct substitutes within the same package and pinout include other ATSAMV71NxxB-CBT variants with different memory sizes. Non-direct replacements may require schematic and firmware modifications due to pin configuration differences across the SAM V71 family.