ATSAME70Q19A-CN

Overview

The ATSAME70Q19A-CN is a 32-bit microcontroller based on the ARM Cortex-M7 core, operating at a maximum frequency of 300MHz. It features 512KB of flash memory and 256KB of SRAM. The device is housed in a 144-LFBGA (10x10) package with 114 I/O lines. It supports a supply voltage range of 1.62V to 3.6V and operates within a temperature range of -40°C to 105°C. Connectivity includes Ethernet, USB, CANbus, SPI, UART, I2C, and QSPI.

Feature Summary

• High-performance processing via ARM Cortex-M7 core with DSP instructions
• Integrated Ethernet MAC with dedicated DMA for network applications
• Flexible connectivity supporting multiple serial interfaces and USB OTG
• On-chip trace capability for advanced hardware debugging

Applications

• Industrial motor control systems
• Human-machine interface (HMI) displays
• Ethernet-based communication nodes
• Automotive infotainment units

Procurement Notes

Verify the specific suffix 'CN' against the manufacturer's current datasheet to confirm package type and environmental compliance status. Ensure the ordering part number matches the required pin count and thermal specifications for the target PCB design. Cross-reference the latest errata document for any known silicon revisions or functional limitations prior to finalizing procurement.

Selection Notes

Select this component when high computational throughput is required alongside robust peripheral integration. The 144-pin LFBGA package offers a balance between I/O density and board space. Consider the 300MHz clock speed for complex algorithm execution. Verify that the system power budget accommodates the specified voltage range and that the thermal solution supports the industrial temperature rating.

Part Context

This unit belongs to the SAM E70 family of microcontrollers, designed for performance-oriented embedded applications. It shares architectural similarities with the SAM S70 and SAM V70 series but is optimized for cost-effective high-speed processing. The family utilizes a unified memory architecture to facilitate efficient code execution and data handling.

Replacement Considerations

ATSAME70Q19A-AN provides an alternative LQFP-144 package option with identical core specifications. ATSAMS70Q19A-CN is a variant within the SAM S70 family offering similar performance metrics. Verify pin compatibility and peripheral availability before substituting.