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ATSAM3N1BA-AU
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Product Detailed Parameters
- Description：IC MCU 32BIT 64KB FLASH 64LQFP
- Series：SAM3N
- Mfr：Microchip Technology
- Package：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-LQFP (10x10)
- Package / Case：64-LQFP
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Overview
The ATSAM3N1BA-AU is a 32-bit microcontroller based on the ARM Cortex-M3 core, operating at a maximum clock frequency of 48 MHz. It integrates 64 KB of flash program memory and 8 KB of data RAM. The device features a 10-bit ADC resolution and provides 47 general-purpose I/O pins. It supports a supply voltage range from 1.62 V to 3.6 V and operates within a temperature range of -40°C to +85°C. Connectivity options include I2C, SPI, UART/USART, and IrDA interfaces.
Feature Summary
- Integrates an ARM Cortex-M3 processor for efficient code execution in embedded applications.
- Includes built-in analog-to-digital conversion capabilities with 10-bit resolution.
- Supports multiple serial communication protocols including SPI, I2C, and USART.
- Features internal oscillator and power-on reset logic for system stability.
Applications
- Low-power embedded control systems
- Industrial automation controllers
- Consumer electronics devices
Procurement Notes
Verify component authenticity through authorized Microchip Technology distributors or certified suppliers. Confirm package integrity and lead time requirements prior to order placement. Ensure compatibility with existing design specifications regarding voltage levels and interface signals. Review datasheet revisions for any updates to electrical characteristics or pin assignments before finalizing procurement.
Selection Notes
Select this component for designs requiring a balance of processing performance and low power consumption. The 64 KB flash size suits moderate application complexity. Verify that the 48 MHz speed meets real-time processing demands. Consider the 47 I/O count against peripheral requirements. Ensure the 1.62 V to 3.6 V supply range aligns with the system power architecture.
Part Context
This part belongs to the SAM3N series of ARM-based microcontrollers from Microchip Technology. The series targets cost-sensitive, low-power applications. The ATSAM3N1BA-AU variant specifically offers 64 KB of flash memory in a 64-LQFP package. It shares architectural similarities with other SAM3N members but differs in memory capacity and I/O availability.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult Microchip Technology official resources for current equivalent recommendations or obsolescence notices.
