ATSAME51J20A-AF

$5.53

Description：IC MCU 32BIT 1MB FLASH 64TQFP
Series：SAM E51
Mfr：Microchip Technology
Package：Tray
Core Processor：ARM® Cortex®-M4F

SKU:bf97e6b7cba8 Category: Microcontrollers Brand: Microchip Technology

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Product introduction

Product Detailed Parameters

Description：IC MCU 32BIT 1MB FLASH 64TQFP
Series：SAM E51
Mfr：Microchip Technology
Package：Tray
Core Processor：ARM® Cortex®-M4F
Core Size：32-Bit Single-Core
Speed：120MHz
Connectivity：CANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SPI, UART/USART, USB
Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM
Number of I/O：51
Program Memory Size：1MB (1M x 8)
Program Memory Type：FLASH
EEPROM Size：-
RAM Size：256K x 8
Voltage - Supply (Vcc/Vdd)：1.71V ~ 3.63V
Data Converters：A/D 24x12b; D/A 2x12b
Oscillator Type：Internal
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount
Supplier Device Package：64-TQFP (10x10)
Package / Case：64-TQFP
Grade：Automotive
Qualification：AEC-Q100

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ATSAME51J20A-AF

Overview

The ATSAME51J20A-AF is an ARM-based microcontroller from the ATSAME51 series, manufactured by Microchip Technology. It features an ARM Cortex-M4F core operating at a maximum clock frequency of 120 MHz. The device includes 1 MB of Flash program memory and 256 kB of SRAM data RAM. It provides 51 general-purpose I/O pins and supports a supply voltage range from 1.71 V to 3.6 V. The component is housed in a TQFP-64 package and is rated for an extended industrial temperature range from -40°C to +125°C. It holds AEC-Q100 qualification.

Feature Summary

Integrated floating-point unit within the ARM Cortex-M4F core for efficient mathematical processing
Extended temperature operation capability suitable for demanding industrial environments
Automotive-grade reliability certification through AEC-Q100 qualification standards

Applications

Industrial automation control systems
Automotive embedded controller units
IoT gateway devices requiring robust connectivity

Procurement Notes

Verify the specific suffix 'AF' against official Microchip documentation to confirm the exact tape-and-reel packaging configuration and any distinct marking variations compared to tray-packaged variants. Ensure the procurement channel sources genuine components with traceable lot codes to maintain compliance with automotive quality requirements.

Selection Notes

Select this variant when extended temperature performance is required alongside high memory capacity. Compare interface availability, specifically USB and CAN support, against application needs. Verify that the TQFP-64 footprint aligns with existing PCB layout constraints and thermal management strategies for the target enclosure design.

Part Context

This part belongs to the ATSAME51 family, which targets high-performance applications requiring significant code storage and processing power. It shares architectural similarities with other members like the ATSAMD51 series but offers enhanced flash performance and specific peripheral sets tailored for complex system integration and data-intensive operations.