ATSAMV70Q19B-AAB

Overview

The ATSAMV70Q19B-AAB is a 32-bit microcontroller from the SAM V70 series, featuring an ARM Cortex-M7 core operating at a maximum clock frequency of 300 MHz. It integrates 512 kB of Flash memory and 256 kB of SRAM. The device provides 114 I/O lines and includes interfaces such as SPI, UART, USART, USB, I2C, SDIO, and LIN. It operates within a supply voltage range of 1.2 V to 1.32 V for the core and supports analog peripherals including 24-channel 12-bit ADCs and 12-bit DACs. The component is housed in a 144-pin LQFP package and functions across a temperature range of -40°C to +105°C.

Feature Summary

• High-performance processing via ARM Cortex-M7 core with integrated DSP and FPU capabilities
• Comprehensive connectivity suite supporting Ethernet AVB, CAN-FD, USB, and multiple serial protocols
• Integrated analog front-end with high-resolution data converters for sensor interfacing
• Automotive-grade qualification ensuring reliability under extended thermal conditions

Applications

• Industrial automation controllers requiring deterministic real-time performance
• Automotive infotainment systems utilizing Audio Video Bridging (AVB) networking
• Smart metering devices needing robust analog signal acquisition
• Medical equipment requiring certified automotive-grade components

Procurement Notes

Verify the specific suffix 'AAB' against official Microchip documentation to confirm pinout compatibility and package dimensions. Ensure the selected variant matches the required automotive qualification standards if deployed in regulated environments. Cross-reference the datasheet revision history for any errata affecting peripheral functionality or electrical characteristics prior to finalizing procurement specifications.

Selection Notes

Select this model when design requirements demand a balance of high-speed processing and extensive connectivity options within a compact footprint. The inclusion of Ethernet AVB makes it suitable for networked audio applications. Consider the 1.2V core voltage requirement for power management design. Evaluate the 144-pin LQFP package constraints against PCB layout limitations compared to BGA alternatives in the same family.

Part Context

This component belongs to the SAM V70 family, which targets high-performance embedded applications. The family shares architectural similarities with the SAM E70 and SAM S70 series but distinguishes itself through specific interface sets like Ethernet AVB. The ATSAMV70Q19B-AAB represents a specific configuration within this lineup, optimized for automotive and industrial sectors requiring AEC-Q100 compliance.

Replacement Considerations

Direct substitutes include other variants within the SAM V70 family such as ATSAMV70Q19B-AAT or ATSAMV70Q20B-AAB, depending on memory size and package preferences. Verify functional equivalence regarding peripheral availability and electrical specifications before substitution.