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The ATSAME54N20A-AF-SL3 is an ARM Cortex-M4F microcontroller launched by Microchip, belonging to the ATSAME54 series. Its core processor is a 32-bit ARM Cortex-M4F, and the maximum operating frequency can reach 120MHz. This device supports multiple communication interfaces (such as CANbus, I²C, SPI, UART, etc.) and integrates ADC (28 channels, 12-bit resolution), DAC (12-bit resolution) and DMA controller.

The ATSAME54N20A-AF-SL3 device is packaged in TQFP-100 and features 81 I/O pins, supporting communication protocols such as LIN, I²C, SPI, and USART. These features make this microcontroller widely used in industrial control, automotive electronics and other fields that require high-performance processing and complex peripherals. ‌

Basic parameters

Core processor: ARM® Cortex®-M4F

Kernel specification: 32-bit

Speed: 120MHz

Connection capabilities: CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, MMC/SD, QSPI, SPI, UART/USART, USB

Peripherals: power-off detection/reset, DMA, I2S, POR, PWM, WDT

I/O number: 81

Program storage capacity: 1MB (1M x 8)

Program memory type: Flash memory

EEPROM capacity: -

RAM size: 256K x 8

Voltage - Power Supply (Vcc/Vdd) : 1.71V to 3.63V

Data converter: A/D 28x12b; D/A 2x12b

Oscillator types: external, internal

Operating temperature: -40°C to 125°C (TA)

Installation type: Surface mount type

Device package: 100-TQFP (14x14)

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