ATSAMS70J21A-AN

Overview

The ATSAMS70J21A-AN is a 32-bit microcontroller from the SAM S70 series, featuring an ARM Cortex-M7 core operating at 300 MHz. It integrates 2 MB of flash memory and 384 KB of SRAM within a 144-pin LQFP package. The device supports a supply voltage range of 1.08 V to 3.6 V and includes five 12-bit ADC channels and one 12-bit DAC. Connectivity options include SPI, UART/USART, USB, I2C, IrDA, and LINbus interfaces, with 75 available I/O pins.

Feature Summary

• High-performance processing via ARM Cortex-M7 core with integrated DSP and FPU capabilities
• Integrated analog conversion subsystem comprising multiple 12-bit ADC channels and a 12-bit DAC
• Comprehensive peripheral connectivity supporting standard serial protocols and universal serial bus communication

Applications

• Industrial control systems requiring high-speed data processing
• Human-machine interface (HMI) displays in automation equipment
• Medical devices utilizing precise analog signal acquisition
• Automotive infotainment and instrument cluster controllers

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm pin compatibility and package dimensions. Ensure the selected variant matches the required thermal performance and voltage specifications for the target application environment. Cross-reference datasheet revisions to confirm interface availability and electrical characteristics before finalizing procurement orders.

Selection Notes

Select this component when a compact 144-pin form factor is required alongside significant on-chip memory resources. The combination of high clock speed and extensive analog peripherals makes it suitable for applications demanding real-time signal processing. Evaluate pin count requirements carefully, as the 75 I/O configuration differs significantly from smaller QFN variants in the same family.

Part Context

This part belongs to the SAM S70 family of microcontrollers designed for complex embedded applications. It shares architectural similarities with the ATSAME70 series but offers distinct packaging and pinout configurations. The device targets markets requiring robust processing power within space-constrained designs, leveraging the Cortex-M7 architecture for efficient code execution.

Replacement Considerations

ATSAMS70J21A-MN

FAQ

What is the maximum operating frequency of the core?

The ARM Cortex-M7 core operates at a maximum frequency of 300 MHz.

How many analog-to-digital converter channels are available?

The device provides five independent 12-bit ADC channels.