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ATSAM3A8CA-CU
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Product Detailed Parameters
- Description：IC MCU 32BIT 512KB FLSH 100TFBGA
- Series：SAM3A
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M3
- Core Size：32-Bit Single-Core
- Speed：84MHz
- Connectivity：CANbus, I2C, IrDA, LINbus, MMC, SPI, SSC, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O：63
- Program Memory Size：512KB (512K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：96K 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：100-TFBGA (9x9)
- Package / Case：100-TFBGA
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Overview
The ATSAM3A8CA-CU is a 32-bit ARM Cortex-M3 microcontroller operating at up to 84 MHz. It features 512 Kbytes of Flash memory and 96 Kbytes of SRAM (64 + 32 Kbytes). The device includes an Ethernet MAC, USB 2.0 High-Speed Mini Host/Device port, two CAN controllers, and a Static Memory Controller with NAND Flash support. It operates from 1.62V to 3.6V and is housed in a 100-lead LQFP package.
Feature Summary
- Integrated Ethernet MAC for networking applications
- USB 2.0 High-Speed Mini Host/Device capability
- Dual CAN controllers for communication
- Static Memory Controller supporting NAND Flash
Applications
- Industrial automation gateways
- Home and building automation systems
- Networking equipment
Procurement Notes
Verify the specific suffix 'CU' against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with existing schematic designs regarding pinout and power supply requirements before procurement.
Selection Notes
Select this component for applications requiring integrated Ethernet and USB connectivity alongside robust industrial communication protocols like CAN. Consider the 100-pin LQFP package constraints for PCB layout and thermal management during design.
Part Context
Part of the SAM3X/A series, designed for high-performance embedded control. Combines ARM Cortex-M3 processing with extensive peripheral sets including EMAC and USB HS, targeting complex system integration needs.
Replacement Considerations
ATSAM3A8CA-AU
FAQ
Does the ATSAM3A8CA-CU include a NAND Flash Controller?
Yes, it features a Static Memory Controller with NAND Flash Controller (NFC) support.
What is the maximum operating frequency?
The core runs at a maximum speed of 84 MHz.
