ATSAME70Q21A-CN

Overview

The ATSAME70Q21A-CN is an ARM-based microcontroller from the SAM E70 series, featuring a 32-bit ARM Cortex-M7 core with a maximum clock frequency of 300 MHz. It integrates 2 MB of program memory and 384 kB of SRAM within a 144-pin LFBGA package. The device supports a data bus width of 32 bits and includes 114 I/O lines. Key peripherals include 24-channel 12-bit ADCs and 12-bit DACs. Operating voltage ranges from 1.7 V to 3.6 V, with an analog supply of 3.3 V. It functions across a temperature range of -40°C to +105°C.

Feature Summary

• Integrates a high-performance ARM Cortex-M7 processor core for complex computational tasks.
• Provides extensive connectivity through multiple embedded interfaces including SPI, UART, USART, I2C, and LIN.
• Features integrated analog-to-digital conversion capabilities with 24 channels and 12-bit resolution.

Applications

• Industrial motor control systems
• Human-machine interface (HMI) displays
• Smart energy metering devices

Procurement Notes

Verify the specific suffix 'CN' against official Microchip documentation to confirm regional compliance or packaging specifications. Ensure compatibility with required operating temperatures and voltage levels for the target application environment before finalizing procurement decisions.

Selection Notes

Select this component when a balance of processing power and peripheral richness is required for embedded applications. The 300 MHz Cortex-M7 core suits applications needing real-time control and signal processing. Consider the 144-pin package size and thermal requirements during PCB layout planning.

Part Context

This part belongs to the Microchip SAM E70 family of microcontrollers designed for demanding industrial and commercial applications. The family utilizes the ARM Cortex-M7 architecture to deliver high performance while maintaining low power consumption characteristics suitable for battery-operated or thermally constrained environments.

Replacement Considerations

ATSAME70Q21B-CN shares identical core specifications and pinout but may differ in manufacturing lot or minor qualification details. Verify functional equivalence via official datasheets before substitution.