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ATSAM3X4EA-AU
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Product Detailed Parameters
- Description：IC MCU 32BIT 256KB FLASH 144LQFP
- Series：SAM3X
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M3
- Core Size：32-Bit Single-Core
- Speed：84MHz
- Connectivity：CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, Memory Card, SPI, SSC, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O：103
- Program Memory Size：256KB (256K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：68K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.6V
- Data Converters：A/D 16x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：144-LQFP (20x20)
- Package / Case：144-LQFP
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Overview
The ATSAM3X4EA-AU is a 32-bit ARM Cortex-M3 microcontroller operating at up to 84 MHz. It features 256 Kbytes of embedded Flash and 64 Kbytes of SRAM. The device includes a High-Speed USB Host/Device port, an Ethernet MAC, two CAN controllers, and multiple communication interfaces including USARTs, SPIs, and TWIs. It operates from 1.62V to 3.6V and is housed in a 144-lead LQFP package.
Feature Summary
- Integrated High-Speed USB Host and Device port with embedded transceiver for versatile connectivity.
- Built-in Ethernet MAC supporting 10/100 Mbps networking applications.
- Dual CAN controllers facilitate robust industrial communication protocols.
- Multi-layer bus matrix architecture enables parallel task execution and high data throughput.
Applications
- Industrial automation systems
- Home and building gateways
- Networking equipment
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with required voltage levels and interface configurations before integration. Cross-reference datasheet revisions to validate peripheral availability and electrical characteristics.
Selection Notes
Select this component for designs requiring integrated Ethernet and USB capabilities alongside standard serial interfaces. Consider the 144-pin package size for pin count requirements. Evaluate power consumption profiles across Sleep, Wait, and Backup modes for battery-operated or low-power applications.
Part Context
This part belongs to the SAM3X/A series, which utilizes the ARM Cortex-M3 core. The series is designed for high-performance applications requiring significant processing power and extensive peripheral sets. It supports various memory configurations and packages to suit different design constraints.
Replacement Considerations
Consult the SAM3X/A series configuration summary table for alternative parts with matching memory sizes and package types. Verify pinout compatibility and peripheral feature parity when considering substitutes within the same family.
