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ATSAM3N1BB-MU
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Product Detailed Parameters
- Description：IC MCU 32BIT 64KB FLASH 64QFN
- Series：SAM3N
- Mfr：Microchip Technology
- Package：Tray,Tray
- 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：47
- Program Memory Size：64KB (64K 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 10x10b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-QFN (9x9)
- Package / Case：64-VFQFN Exposed Pad
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Overview
The ATSAM3N1BB-MU is a 32-bit microcontroller based on the ARM Cortex-M3 core, operating at a maximum frequency of 48 MHz. It features 64 KB of in-system programmable Flash memory and 8 KB of SRAM. The device is housed in a 64-pin QFN package (9x9 mm) with exposed pad. It supports a supply voltage range of 1.62 V to 3.6 V and operates within an industrial temperature range of -40°C to +85°C. Peripheral interfaces include I2C, SPI, UART/USART, and IrDA.
Feature Summary
- Integrates an ARM Cortex-M3 processor core for efficient code execution
- Provides non-volatile program storage via internal Flash memory
- Supports multiple serial communication protocols including I2C, SPI, and UART
- Includes analog-to-digital conversion capabilities
Applications
- Industrial control systems requiring robust processing
- Consumer electronics utilizing low-power ARM architectures
- Embedded applications with serial communication needs
- General-purpose microcontroller designs in compact form factors
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing board layouts regarding the 64-QFN footprint. Confirm that the selected variant meets all electrical specifications for the target application environment before finalizing procurement.
Selection Notes
Select this component when a balance of moderate Flash capacity and standard connectivity is required. The 48 MHz speed suits applications not demanding high-performance computing. Consider the 64-QFN package constraints for thermal management and PCB space. Verify peripheral requirements such as ADC channels and timer counts against the datasheet specifications.
Part Context
This part belongs to the SAM3N series of microcontrollers from Microchip Technology. The series is designed for cost-sensitive applications using the ARM Cortex-M3 architecture. The ATSAM3N1B family typically offers varying Flash sizes and pin counts, with the 'MU' suffix indicating the specific QFN package configuration.
Replacement Considerations
Consult official Microchip substitution guides for verified alternatives. Cross-reference pinouts and electrical characteristics carefully. Generic replacements may lack compatible firmware or peripheral mappings.
