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Product attributes Property Value
Manufacturer Microchip Technology
Product Series SAM3X
Packaging 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 512KB (512K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 100K 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)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 144-LQFP (20x20)
Package / Case 144-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATSAM3X8EA-AU from Microchip Technology is an ARM Cortex-M3 microcontroller operating at 84 MHz. It offers 512 KB Flash and 100 KB RAM, with a rich set of peripherals including DMA, I2S, and PWM. The 144-LQFP package provides extensive I/O for complex embedded systems.

  • Efficient Core: Cortex-M3 architecture balances performance and power consumption for mid-range applications.
  • Ample Memory: 512 KB Flash and 100 KB RAM support substantial application code and data buffers.
  • Wide Voltage Range: 1.62V to 3.6V operation enables flexible power supply design.
  • Extensive I/O: 144-pin package offers numerous GPIOs for peripheral expansion.

3D Printer Controllers

The 84 MHz Cortex-M3 core and 100 KB RAM handle G-code parsing and stepper motor interpolation smoothly, enabling precise 3D printing.

CNC Machines

With multiple PWM channels and high-resolution ADCs, it provides accurate spindle and axis control for desktop CNC routers.

Industrial Sensors

Its wide voltage range (1.62V-3.6V) and DMA support allow efficient data acquisition from multiple sensors in harsh environments.

Medical Devices

The low-power modes and robust peripherals make it suitable for portable diagnostic tools like glucose meters and pulse oximeters.

Smart Agriculture

It can manage irrigation systems with sensor inputs and motor drivers, operating reliably in outdoor temperature ranges.

Educational Robotics

The 144-pin package provides ample I/O for connecting multiple servos, sensors, and displays in teaching platforms.

Q: What is the core processor of the ATSAM3X8EA-AU?
A: It uses the ARM Cortex-M3 core.
Q: What is the maximum speed?
A: It operates at up to 84 MHz.
Q: How much Flash memory does it have?
A: It has 512 KB of Flash memory.
Q: What is the package size?
A: It is available in a 144-pin LQFP package.
Base Product Number : ATSAM3X8EA-AU
100KB RAM 144-LQFP 32-bit MCU 3D printer 512KB Flash 84MHz ARM Cortex-M3 ATSAM3X8EA-AU CNC industrial Microchip
Q: What is the core processor of the ATSAM3X8EA-AU?
A: It uses the ARM Cortex-M3 core.
Q: What is the maximum speed?
A: It operates at up to 84 MHz.
Q: How much Flash memory does it have?
A: It has 512 KB of Flash memory.
Q: What is the package size?
A: It is available in a 144-pin LQFP package.