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ATSAM4E8CA-AU
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Product Detailed Parameters
- Description：IC MCU 32BIT 512KB FLASH 100LQFP
- Series：SAM4E
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M4
- Core Size：32-Bit Single-Core
- Speed：120MHz
- Connectivity：CANbus, Ethernet, IrDA, MMC/SD, SPI, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O：79
- Program Memory Size：512KB (512K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：128K 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-LQFP (14x14)
- Package / Case：100-LQFP
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Overview
The ATSAM4E8CA-AU is a 32-bit microcontroller from the Microchip SAM4E series, featuring an ARM Cortex-M4 core with a maximum clock speed of 120 MHz. It integrates 512 kB of flash program memory and 128 kB of SRAM data memory. The device operates within a supply voltage range of 1.62 V to 3.6 V and supports industrial temperatures from -40°C to +85°C. It utilizes a 100-pin LQFP package and includes multiple communication interfaces such as USB, CAN, UART, USART, and SPI.
Feature Summary
- Integrates an ARM Cortex-M4 processor core for high-performance digital signal processing capabilities.
- Includes built-in hardware floating-point unit (FPU) support for efficient mathematical calculations.
- Features comprehensive connectivity options including Full-Speed USB and CAN bus controllers.
- Provides advanced analog peripherals with multiple 12-bit and 16-bit ADC channels.
Applications
- Industrial control systems requiring robust communication protocols
- Medical devices needing precise analog signal acquisition
- Consumer electronics utilizing USB connectivity
- Automotive applications supporting CAN bus networks
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to ensure correct temperature grade and packaging configuration. Confirm that the 100-LQFP footprint matches your PCB design requirements. Check for any recent Product Change Notifications regarding marking or assembly location updates before finalizing procurement plans.
Selection Notes
Select this component when a balance of processing power and peripheral richness is required for embedded applications. The 512 kB flash size accommodates complex firmware, while the 128 kB RAM supports substantial data buffering. Ensure the design leverages the integrated USB and CAN controllers to reduce external component count.
Part Context
This part belongs to the SAM4E series, designed for cost-sensitive applications demanding ARM Cortex-M4 performance. It serves as a bridge between high-end SAM4S models and lower-power SAM4L series, offering a versatile solution for general-purpose microcontroller tasks in industrial and consumer markets.
Replacement Considerations
Consult Microchip's official cross-reference tools for verified pin-compatible or functionally equivalent alternatives within the SAM4E family. Verify that any substitute maintains the same 100-pin LQFP package and electrical specifications.
