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ATSAM3X4EA-CU
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Product Detailed Parameters
- Description：IC MCU 32BIT 256KB FLASH 144BGA
- 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-BGA (13x13)
- Package / Case：144-LFBGA
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Overview
The ATSAM3X4EA-CU is a microcontroller based on the ARM Cortex-M3 processor, operating at a maximum speed of 84 MHz. It features 256 Kbytes of embedded Flash memory and 64 Kbytes of SRAM. The device includes a High Speed USB Host and Device port with an embedded transceiver, an Ethernet MAC, two CAN controllers, and a High Speed MCI for SDIO/SD/MMC. Additional peripherals include five UARTs, two TWIs, four SPIs, a 12-bit ADC, and a 12-bit DAC. It operates from 1.62V to 3.6V and is available in a 144-lead LFBGA package.
Feature Summary
- Supports capacitve touch implementation via the QTouch library
- Features a multi-layer bus matrix and multiple SRAM banks for parallel task execution
- Includes three software-selectable low-power modes: Sleep, Wait, and Backup
Applications
- Industrial automation systems
- Home and building automation gateways
- Networking applications
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with required voltage levels and interface configurations before procurement. Cross-reference datasheet revisions to validate peripheral availability and electrical characteristics.
Selection Notes
Select this component for applications requiring high-speed data transfers and robust networking capabilities. Consider the integrated USB and Ethernet interfaces for connectivity needs. Evaluate power consumption requirements against the available low-power modes. Verify that the 256 Kbyte Flash and 64 Kbyte SRAM meet application memory constraints.
Part Context
This part belongs to the SAM3X/A series of Flash microcontrollers. The series is designed around the high-performance 32-bit ARM Cortex-M3 RISC processor. Devices in this family offer varying memory sizes and package options to suit different application requirements while maintaining consistent core functionality.
Replacement Considerations
Consult official Microchip documentation for confirmed substitute part numbers within the SAM3X/A series. Verify pinout compatibility and memory specifications when considering alternatives.
