ATSAMS70Q19A-AN

Overview

The ATSAMS70Q19A-AN is a 32-bit ARM Cortex-M7 microcontroller from the SAM S70 series, manufactured by Microchip Technology. It operates at a maximum clock frequency of 300 MHz and features 512 kB of Flash memory and 256 kB of SRAM. The device includes 16 kB of ROM and provides 114 I/O lines within an LQFP-144 package. It supports interfaces including SPI, UART, USART, and USB. The ADC resolution is 12 bits with 24 channels, and the DAC resolution is also 12 bits. Operating voltage ranges from 1.7 V to 3.6 V, with an analog supply of 3.3 V. The operating temperature range spans from -40°C to +105°C.

Feature Summary

• Integrates an ARM Cortex-M7 core for high-performance processing capabilities.
• Includes extensive connectivity options such as USB, SPI, UART, and USART interfaces.
• Features multiple 12-bit analog-to-digital and digital-to-analog converters for signal processing.

Applications

• Industrial control systems requiring robust processing and connectivity.
• Human-machine interface (HMI) displays utilizing high-speed data transfer.
• Medical devices needing precise analog signal acquisition and conversion.

Procurement Notes

Verify the specific ordering suffix AN corresponds to the LQFP-144 package configuration. Confirm RoHS compliance status through official Microchip documentation prior to integration. Ensure moisture sensitivity level handling procedures are followed during assembly to prevent damage. Cross-reference the datasheet revision date to ensure compatibility with current design requirements.

Selection Notes

Select this component when a balance of moderate flash capacity and high processing speed is required. The LQFP-144 package offers a suitable pin count for complex peripheral connections without the footprint of larger BGA packages. Consider the 300 MHz performance for applications demanding real-time response. Evaluate the available I/O lines against system interface needs before finalizing the choice.

Part Context

This microcontroller belongs to the SAM S70 family, which utilizes the ARM Cortex-M7 architecture. The series is designed for applications requiring high performance and rich peripheral sets. The ATSAMS70Q19A-AN variant specifically denotes the 512 kB Flash configuration in the LQFP-144 package. It shares architectural similarities with other S70 models but differs in memory size and package type.

Replacement Considerations

Check for ATSAME70Q19A-AN within the SAM E70 family for potential pin-compatible alternatives with similar specifications. Verify if ATSAMS70Q20A-AN serves as an upgrade path with increased memory while maintaining the same package. Ensure any substitute part matches the required interface support and thermal characteristics.