ATSAMS70Q20A-CFN

Overview

The ATSAMS70Q20A-CFN is a 32-bit microcontroller from the SAM S70 series, featuring an ARM Cortex-M7 core operating at 300MHz. It integrates 1MB of flash memory and 384KB of SRAM within a 144-UFBGA package (10x10x0.6mm). The device supports a supply voltage range of 1.7V to 3.6V and includes 114 I/O pins. Peripheral interfaces include SPI, UART/USART, USB, and multiple timers. It offers 24-channel 12-bit ADCs and 12-bit DACs, with an operating temperature range of -40°C to +105°C.

Feature Summary

• High-performance ARM Cortex-M7 processor core for complex computational tasks
• Integrated large-capacity non-volatile memory for extensive code storage
• Comprehensive analog conversion capabilities with multiple high-resolution channels
• Robust connectivity suite supporting industrial communication standards

Applications

• Industrial automation controllers requiring high processing speed
• Human-machine interface (HMI) displays with graphical rendering needs
• Networked sensor nodes utilizing Ethernet or serial protocols
• Automotive infotainment systems demanding real-time performance

Procurement Notes

Verify the specific suffix 'CFN' corresponds to the tray packaging format rather than tape-and-reel variants. Confirm the exact pinout compatibility with existing footprints, as UFBGA packages require precise solder paste application. Check for recent Product Change Notifications regarding label or marking updates that may affect traceability requirements without altering electrical specifications.

Selection Notes

Select this component when design requirements demand a balance between high-frequency processing and substantial onboard memory. The 144-pin BGA form factor suits applications with space constraints but requires advanced PCB manufacturing capabilities. Ensure power supply designs accommodate the specified voltage range and thermal dissipation needs for the 105°C maximum junction temperature environment.

Part Context

This part belongs to the Microchip SAM S70 family, designed for high-performance embedded applications. It shares architectural similarities with the E70 and V71 series but offers distinct memory configurations and peripheral sets tailored for cost-sensitive yet powerful control solutions. The Q20 variant specifically denotes the 1MB flash capacity tier within the Q-series lineup.

Replacement Considerations

ATSAMS70Q20A-CFNT serves as the tape-and-reel equivalent for automated assembly. ATSAMS70Q20A-AN provides the same electrical specifications in a 144-LQFP through-hole compatible surface mount package. Cross-family migration to SAM E70 models requires verification of peripheral register compatibility.