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ATSAME70J21B-AN
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Product Detailed Parameters
- Description：IC MCU 32BIT 2MB FLASH 64LQFP
- Series：SAM E70
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M7
- Core Size：32-Bit Single-Core
- Speed：300MHz
- Connectivity：CANbus, Ethernet, I2C, IrDA, LINbus, SPI, SSC, UART/USART
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O：44
- 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 5x12b; D/A 1x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-LQFP (10x10)
- Package / Case：64-LQFP
- Grade：-
- Qualification：-
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Overview
The ATSAME70J21B-AN is a 32-bit microcontroller based on the ARM Cortex-M7 core, operating at a maximum frequency of 300 MHz. It features 2 MB of in-system programmable flash memory and 384 KB of SRAM. The device includes an LCD controller supporting up to 64 segments and integrates multiple communication interfaces including Ethernet MAC, CAN, I2C, SPI, and UARTs. It operates within a voltage range of 1.7 V to 3.6 V and supports industrial temperatures from -40°C to +105°C.
Feature Summary
- High-performance processing via ARM Cortex-M7 core with integrated FPU
- Integrated LCD controller for graphical display applications
- Comprehensive connectivity suite including Ethernet and CAN bus
- Large memory capacity for complex application execution
Applications
- Industrial automation controllers
- Graphical user interface (GUI) terminals
- Smart energy metering systems
- Medical equipment control units
Procurement Notes
Verify the specific suffix 'AN' against the official Microchip datasheet to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the LQFP package. Confirm that the required flash and RAM capacities align with project constraints before finalizing procurement orders.
Selection Notes
Select this component when high computational throughput combined with graphical display capabilities is required. Compare against the SAM E70 series variants to determine if lower memory configurations suffice. Consider the availability of development tools such as the ATSAMV71-XULT or Atmel-ICE for debugging and programming during the design phase.
Part Context
This part belongs to the Microchip SAM E70 family of microcontrollers designed for high-performance embedded applications. The family shares a common architecture but varies in memory size and peripheral sets. The ATSAME70J21B-AN represents a specific configuration optimized for applications requiring significant code storage and data handling alongside display control features.
Replacement Considerations
Consult the official Microchip product change notification documents for verified substitute part numbers. Cross-reference pinouts and electrical characteristics with alternative SAM E70 variants to ensure functional compatibility without hardware redesign.
