ATSAMS70N21A-CN

Overview

The ATSAMS70N21A-CN 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 100-TFBGA (9x9) package. The device supports a supply voltage range of 1.08 V to 3.6 V and includes 10-channel 12-bit ADCs and two 12-bit DACs. Connectivity options include I2C, IrDA, LINbus, MMC/SD/SDIO, QSPI, SPI, UART/USART, and USB interfaces.

Feature Summary

• High-performance processing via ARM Cortex-M7 core with DSP instructions
• Integrated analog front-end with multiple 12-bit ADC channels and DAC outputs
• Comprehensive peripheral set including DMA, PWM, and watchdog timer
• Support for various communication protocols such as USB, SPI, and SDIO

Applications

• Industrial control systems requiring high-speed processing
• Human-machine interface (HMI) displays
• Medical equipment with analog signal acquisition needs
• Automotive infotainment and instrument clusters

Procurement Notes

Verify the specific suffix CN against the manufacturer's current datasheet to confirm package type and temperature range specifications. Ensure compatibility with existing design constraints regarding pinout and power requirements before finalizing procurement decisions.

Selection Notes

Select this component when 2 MB of non-volatile storage and 384 KB of RAM are required alongside a 300 MHz processing speed. The 100-TFBGA package is suitable for applications needing a compact footprint with high I/O density. Consider the 1.08 V minimum supply voltage for low-power design implementations.

Part Context

This part belongs to the Microchip SAM S70 family, designed for high-performance embedded applications. It shares architectural similarities with other S70 variants but is distinguished by its specific memory configuration and package style. The family targets demanding applications in industrial, medical, and automotive sectors.

Replacement Considerations

Direct substitutes within the same package and memory configuration may include other SAM S70 variants with equivalent flash and SRAM sizes. Verify pin compatibility and electrical characteristics against the official datasheet before substitution.