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ATSAME70J21A-AN
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Product Detailed Parameters
- Description：IC MCU 32BIT 2MB FLASH 64LQFP
- Series：SAM E70
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M7
- Core Size：32-Bit Single-Core
- Speed：300MHz
- Connectivity：CANbus, Ethernet, I2C, IrDA, LINbus, SPI, SSC, UART/USART
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O：44
- Program Memory Size：2MB (2M x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：384K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.6V
- Data Converters：A/D 5x12b; D/A 1x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-LQFP (10x10)
- Package / Case：64-LQFP
- Grade：-
- Qualification：-
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Overview
The ATSAME70J21A-AN is a 32-bit microcontroller from the SAM E70 series, featuring an ARM Cortex-M7 core operating at 300MHz. It integrates 2MB of flash memory and 384KB of SRAM within a 100-LQFP package. The device supports a supply voltage range of 1.62V to 3.6V and includes five 12-bit ADC channels and two 12-bit DAC channels. Connectivity options encompass CANbus, Ethernet, I2C, SPI, UART/USART, USB, MMC/SD/SDIO, and QSPI interfaces.
Feature Summary
- High-performance processing via ARM Cortex-M7 core with integrated FPU for complex mathematical operations
- Comprehensive connectivity suite including Ethernet MAC, multiple serial interfaces, and USB OTG support
- Integrated analog peripherals with multi-channel high-resolution ADCs and precision DACs
- Robust security features including hardware encryption engines and secure boot mechanisms
Applications
- Industrial control systems requiring deterministic performance and robust communication protocols
- Human-machine interface (HMI) panels utilizing graphical displays and touch input
- Smart metering applications demanding precise analog signal acquisition and data logging
- Medical equipment requiring high reliability and secure data transmission capabilities
Procurement Notes
Verify the specific suffix AN corresponds to the 100-LQFP package and industrial temperature range during sourcing. Confirm RoHS compliance status through official Microchip documentation or authorized distributor certificates. Ensure compatibility with existing PCB footprints for the 100-pin LQFP form factor. Check for any recent product change notices regarding pinout or electrical characteristics updates.
Selection Notes
Select this component when system requirements demand high-speed processing combined with extensive peripheral integration in a compact surface-mount package. Consider the ATSAME70J21A-AN for designs needing both high-speed digital communication and precise analog signal handling. Evaluate power consumption profiles against available supply voltages to ensure efficient operation within the specified 1.62V to 3.6V range.
Part Context
This microcontroller belongs to the SAM E70 family, designed for high-performance embedded applications. It shares architectural similarities with the SAM S70 and V70 series but offers distinct memory configurations and package options tailored for cost-sensitive yet feature-rich industrial and consumer electronics markets.
Replacement Considerations
ATSAME70J21A-AABT: Alternative package variant with different physical dimensions requiring PCB redesign. ATSAMS70J21A-MNT: Similar performance but part of the SAM S70 series with potentially different peripheral availability.
