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ATSAM3N0AA-MU
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Product Detailed Parameters
- Description：IC MCU 32BIT 32KB FLASH 48QFN
- Series：SAM3N
- Mfr：Atmel
- Package：Bulk
- Core Processor：ARM® Cortex®-M3
- Core Size：32-Bit Single-Core
- Speed：48MHz
- Connectivity：I2C, IrDA, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O：34
- Program Memory Size：32KB (32K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：8K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.6V
- Data Converters：A/D 8x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-QFN (7x7)
- Package / Case：48-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATSAM3N0AA-MU is a 32-bit microcontroller from the SAM3N series, featuring an ARM Cortex-M3 core operating at 48 MHz. It integrates 16 KB of Flash memory and 4 KB of SRAM within a 48-pin QFN package. The device supports a supply voltage range of 1.62 V to 3.6 V and includes eight 10-bit ADC channels. Connectivity options comprise I2C, IrDA, SPI, and UART/USART interfaces. Peripheral functions include DMA, PWM, WDT, POR, and brown-out detection/reset.
Feature Summary
- Integrates ARM Cortex-M3 processor with Thumb-2 instruction set for efficient code execution
- Provides on-chip Flash and SRAM for program storage and data handling
- Supports multiple communication protocols including I2C, SPI, and UART
- Includes analog-to-digital conversion capabilities with multiple input channels
Applications
- Industrial control systems requiring low power consumption
- Consumer electronics with limited board space constraints
- Sensor interface modules utilizing ADC and serial communication
- Portable devices powered by single-cell battery configurations
Procurement Notes
Verify the specific suffix 'MU' corresponds to the QFN-48 package and industrial temperature grade (-40°C to +85°C) in official Microchip documentation. Confirm RoHS compliance status and lead-free soldering requirements before integration. Check for any recent Product Change Notifications (PCNs) regarding assembly sites or marking changes that may affect qualification.
Selection Notes
Select this component when design requirements prioritize a compact QFN footprint alongside standard ARM Cortex-M3 performance. Ensure the 16 KB Flash capacity meets application code size needs without external memory. Verify that the 48 MHz clock speed satisfies real-time processing demands. Confirm compatibility with available development tools and software frameworks for the SAM3N family.
Part Context
This part belongs to the SAM3N series, designed for cost-sensitive applications requiring moderate performance. It serves as a bridge between legacy 8/16-bit MCUs and higher-end 32-bit solutions. The series emphasizes power efficiency and integrated peripherals suitable for embedded control tasks in constrained environments.
Replacement Considerations
Consult official Microchip cross-reference guides for verified substitutes. Potential alternatives within the SAM3N family may offer different memory densities or package types while maintaining pin compatibility.
