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ATSAM4E8EA-AU
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Product Detailed Parameters
- Description：IC MCU 32BIT 512KB FLASH 144LQFP
- Series：SAM4E
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M4
- Core Size：32-Bit Single-Core
- Speed：120MHz
- Connectivity：CANbus, EBI/EMI, Ethernet, IrDA, SD, SPI, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O：117
- 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：144-LQFP (20x20)
- Package / Case：144-LQFP
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Overview
The ATSAM4E8EA-AU is a 32-bit microcontroller from the SAM4E series, featuring an ARM Cortex-M4 core operating at up to 120MHz. It integrates 512kB of in-system programmable flash memory and 128kB of SRAM. The device is housed in a 100-pin LQFP package with 76 available I/O lines. It supports a supply voltage range of 1.62V to 3.6V and operates within a temperature range of -40°C to +85°C.
Feature Summary
- Integrates a high-performance ARM Cortex-M4 processor with hardware floating-point unit for efficient signal processing.
- Includes multiple communication interfaces such as USB OTG, Ethernet MAC, CAN, and various serial protocols.
- Features advanced analog peripherals including 12-bit ADCs and DACs for precise data conversion tasks.
Applications
- Industrial automation controllers requiring robust connectivity
- Medical equipment utilizing precision analog signal acquisition
- Smart energy metering systems with secure data transmission
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing board layouts regarding pin assignments and thermal requirements. Cross-reference part numbers with current datasheets to avoid obsolete variants.
Selection Notes
Select this component when a balance of processing power and peripheral richness is required in a compact form factor. Consider the 100-pin LQFP package constraints for PCB space. Evaluate if the 512kB flash capacity meets long-term firmware storage needs without external memory.
Part Context
This MCU belongs to the SAM4E family designed for applications needing high performance and low power consumption. It shares architectural similarities with other SAM4E variants but differs in memory size and pin count. The series targets cost-sensitive embedded markets demanding reliable ARM-based control.
Replacement Considerations
ATSAM4E8CA-AU offers identical specifications in a different package configuration. ATSAM4E16EA-AU provides double the flash memory while maintaining the same core architecture and interface set for scalable design transitions.
