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ATSAME70N21B-CNT
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Product Detailed Parameters
- Description：IC MCU 32BIT 2MB FLASH 100TFBGA
- Series：SAM E70
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M7
- Core Size：32-Bit Single-Core
- Speed：300MHz
- Connectivity：CANbus, Ethernet, I2C, IrDA, LINbus, MMC/SD/SDIO, QSPI, SPI, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O：75
- Program Memory Size：2MB (2M x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：384K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.6V
- Data Converters：A/D 10x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：100-TFBGA (9x9)
- Package / Case：100-TFBGA
- Grade：-
- Qualification：-
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Overview
The ATSAME70N21B-CNT is a Microchip Technology microcontroller from the SAM E70 series, featuring an ARM Cortex-M7 core operating at 300 MHz. It integrates 2 MB of Flash memory and 384 kB of SRAM within a 100-LQFP package. The device supports a 32-bit data bus width and operates on supply voltages ranging from 1.62 V to 3.6 V. It includes multiple communication interfaces such as SPI, UART/USART, USB, I2C, CANbus, Ethernet, and QSPI. The component is rated for industrial temperatures between -40°C and +105°C.
Feature Summary
- High-performance processing via ARM Cortex-M7 architecture
- Integrated high-capacity non-volatile and volatile memory
- Comprehensive connectivity with multiple serial and network interfaces
- Industrial-grade thermal stability
Applications
- Motor control systems
- Industrial automation controllers
- Human-machine interface (HMI) panels
- Networked embedded devices
Procurement Notes
Verify the specific suffix 'CNT' against official Microchip documentation to confirm packaging details, as distributor listings may vary in terminology. Ensure compatibility with existing board designs regarding pinout and voltage levels. Cross-reference the datasheet for moisture sensitivity classification and recommended soldering profiles prior to assembly.
Selection Notes
Select this component when a balance of processing power and peripheral richness is required for complex embedded tasks. The 300 MHz Cortex-M7 core suits applications needing fast execution of control algorithms. Verify that the 100-pin LQFP package fits the mechanical constraints and that the available I/O count meets system requirements without external multiplexing.
Part Context
This part belongs to the SAM E70 family, designed for high-performance embedded applications. It shares architectural similarities with the SAM S70 but offers distinct peripheral configurations. The series targets demanding environments requiring robust connectivity and real-time processing capabilities.
Replacement Considerations
Consult Microchip's official cross-reference tools for verified substitutes. Consider the ATSAME70N21A-AN for alternative packaging or the ATSAME70Q21B-CN for different pin counts. Ensure functional equivalence before swapping components.
