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ATSAM4CMS8CA-AUR
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Product Detailed Parameters
- Description：IC MCU 32BIT 512KB FLASH 100LQFP
- Series：SAM4CM
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M4/M4F
- Core Size：32-Bit Dual-Core
- Speed：120MHz
- Connectivity：EBI/EMI, I2C, IrDA, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
- Number of I/O：57
- 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 6x10b
- 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 ATSAM4CMS8CA-AUR is a Microchip Technology ARM microcontroller featuring a dual-core architecture with two ARM Cortex-M4 processors. It integrates 512KB of flash memory and 128KB of SRAM within a 100-LQFP package. The device supports a maximum clock frequency of 120MHz and operates on a 32-bit data bus. It includes an internal oscillator and provides various connectivity options such as EBI/EMI, I2C, IrDA, SPI, and UART/USART interfaces.
Feature Summary
- Dual-core ARM Cortex-M4 architecture designed for smart metering applications
- Integrated system-on-chip solution supporting high metrology accuracy
- Comprehensive peripheral set including DMA, PWM, and watchdog timer
Applications
- Residential single-phase metering systems
- Smart grid energy monitoring devices
- High-accuracy class 0.2 metrology applications
Procurement Notes
Verify component authenticity through authorized Microchip distributors or certified partners. Confirm the specific ordering suffix matches project requirements. Check current manufacturing status as availability may vary. Ensure environmental compliance documentation aligns with regional regulations. Validate pin compatibility during integration planning.
Selection Notes
Select this component for applications requiring dual-core processing power within a constrained footprint. Consider the 120MHz performance limit and 512KB storage capacity against algorithm complexity. Evaluate the LQFP-100 package constraints for PCB layout. Assess thermal management needs for industrial temperature ranges. Compare peripheral counts against interface requirements.
Part Context
This part belongs to the SAM4CMS series, optimized for smart metering solutions. It combines computational efficiency with integrated peripherals to reduce bill-of-materials complexity. The series targets utility companies seeking reliable, long-term embedded control platforms for energy measurement infrastructure.
Replacement Considerations
Public records indicate the ATSAM4CMS8CA-AUR is obsolete and no longer manufactured. No direct public substitute part numbers are confirmed in the provided source material. Consult Microchip official channels for end-of-life notifications and recommended alternative components.
