ATSAMS70Q20A-CNT

Overview

The ATSAMS70Q20A-CNT is a Microchip Technology microcontroller from the SAM S70 series, featuring an ARM Cortex-M7 core operating at a maximum clock frequency of 300 MHz. It integrates 1 MB of Flash memory and 384 kB of SRAM within a 144-pin LQFP package (LQFP-144). The device supports a data bus width of 32 bits and includes 114 general-purpose I/Os. Peripheral interfaces include SPI, UART/USART, and USB. It operates on a supply voltage range of 1.7 V to 3.6 V with an analog supply of 3.3 V. The component features 12-bit ADC resolution with 24 channels and 12-bit DAC resolution. It functions within a temperature range of -40°C to +105°C.

Feature Summary

• High-performance processing via ARM Cortex-M7 core with integrated DSP capabilities
• Integrated memory architecture combining 1 MB Flash and 384 kB SRAM for complex application execution
• Comprehensive connectivity suite supporting SPI, UART/USART, and USB protocols
• High-resolution analog conversion with 24-channel 12-bit ADC and 12-bit DAC

Applications

• Industrial automation control systems
• Human-machine interface (HMI) displays
• Medical equipment requiring high-speed data processing
• Automotive infotainment and instrument clusters

Procurement Notes

Verify the specific suffix 'CNT' against official Microchip documentation to confirm tape-and-reel packaging status, as standard datasheets may list tray packaging for similar variants. Ensure the part number matches the exact pin count and package type required for your PCB layout. Cross-reference the RoHS compliance details provided in the manufacturer's specification sheet before finalizing procurement orders.

Selection Notes

Select this component when a balance of high computational throughput and extensive peripheral connectivity is required. The 300 MHz Cortex-M7 core suits applications needing real-time processing capabilities. Consider the 144-pin LQFP package constraints for board space. Verify that the 114 available I/Os meet the system interface requirements and that the 1 MB Flash capacity is sufficient for firmware storage needs.

Part Context

This device belongs to the SAM S70 family, designed for high-performance embedded applications. It shares architectural similarities with other SAM S70 variants but differs in memory size and package options. The Q20 designation typically indicates the 1 MB Flash and 384 kB SRAM configuration within the 144-pin form factor, distinguishing it from lower-memory or different-package siblings in the same series.

Replacement Considerations

ATSAMS70Q20A-CN: Identical electrical specifications and memory configuration; differs only in tray packaging instead of tape-and-reel.

FAQ

What is the maximum operating frequency of the ATSAMS70Q20A-CNT?

The maximum clock frequency is 300 MHz.

Does this microcontroller support USB communication?

Yes, the device includes USB interface support among its peripheral options.