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ATSAM3N1CB-CUR
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Product Detailed Parameters
- Description：IC MCU 32BIT 64KB FLASH 100TFBGA
- Series：SAM3N
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- 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：79
- 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 16x10b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：100-TFBGA (9x9)
- Package / Case：100-TFBGA
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Overview
The ATSAM3N1CB-CUR is a 32-bit microcontroller from the Microchip SAM3N series, featuring an ARM Cortex-M3 core. It integrates 64 kB of Flash memory and 8 kB of SRAM within a 100-pin TFBGA package. The device operates at a maximum clock frequency of 48 MHz with a supply voltage range of 1.62 V to 3.6 V. It supports industrial temperatures from -40°C to +85°C and includes interfaces such as I2C, SPI, UART, USART, and IrDA.
Feature Summary
- Integrates ARM Cortex-M3 processor with Thumb-2 instruction set for efficient code execution
- Provides embedded Flash and SRAM with single-plane architecture and memory accelerator
- Includes multiple communication peripherals including I2C, SPI, UART, USART, and IrDA
- Features built-in power management components like POR, BOD, and watchdog timer
Applications
- Industrial control systems requiring robust peripheral support
- Consumer electronics utilizing low-power ARM-based processing
- Embedded applications needing serial communication via UART or SPI
- General-purpose microcontroller tasks in compact TFBGA form factors
Procurement Notes
Verify the specific suffix CUR indicates the commercial temperature grade and reel packaging format against the official datasheet. Confirm the pinout compatibility if replacing legacy SAM7S or other SAM3N variants. Ensure the ordering information matches the exact 100-pin TFBGA configuration required for the target PCB design.
Selection Notes
Select this component when a balance of moderate memory capacity and rich peripheral connectivity is needed in a small footprint. The 48 MHz speed suits general control loops rather than high-performance signal processing. Consider the 1.62 V to 3.6 V operating range for flexible power supply designs in portable or battery-operated devices.
Part Context
This part belongs to the SAM3N family, designed as a cost-effective alternative to legacy SAM7S products with pin-to-pin compatibility in certain packages. It targets applications requiring reliable 32-bit processing without the complexity of higher-end cores. The TFBGA package offers a compact solution for space-constrained designs.
Replacement Considerations
Check for direct pin-compatible upgrades within the SAM3N series, such as the ATSAM3N1CA variant, which may offer different package options. Verify that any substitute maintains the same 100-pin TFBGA outline and electrical characteristics to ensure seamless integration.
