EmbeddedRelated.com
    Parts    SAM Microcontrollers Family    SAME70Q    ATSAME70Q21B-ANT
ATSAME70Q21B-ANT

MCHPATSAME70Q21B-ANT

Microchip Technology
ARM® Cortex®-M7 SAM E70 Microcontroller IC 32-Bit 300MHz 2MB (2M x 8) FLASH 144-LQFP (20x20)
Active6,426 in stock
Datasheet Digi-Key Mouser Compare Prices

Overview

The ATSAME70Q21B-ANT is a high-performance 32-bit ARM Cortex-M7 microcontroller featuring a 300MHz clock speed and a dual-precision floating-point unit. It is equipped with 2MB of Flash, 384KB of RAM, and a rich set of connectivity options including Ethernet and dual CAN-FD, making it suitable for complex networking and gateway tasks.

Why Choose This Part

This MCU offers a massive 2MB of Flash and 384KB of SRAM to handle large software stacks and data buffers without external memory. Its high-speed 300MHz core includes a double-precision FPU and DSP instructions, providing superior computational density for real-time applications.

Applications

Industrial Ethernet Gateways
Utilizes the integrated 10/100 Ethernet MAC with IEEE 1588 support for synchronized industrial networking.
Automotive Aftermarket Control
Leverages CAN-FD support and high processing throughput for vehicle data logging and subsystem control.
Advanced Motor Control
Uses the 300MHz Cortex-M7 core and dedicated PWM peripherals to handle complex field-oriented control algorithms.
High-Resolution Audio Processing
The I2S interfaces and DSP capabilities of the M7 core enable multi-channel audio mixing and filtering.

Key Specifications

Speed 300MHz
RAM Size 384K x 8
Core Size 32-Bit
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Connectivity CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, MMC/SD/SDIO, QSPI, SPI, UART/USART, USB
Mounting Type Surface Mount
Number of I/O 114
Core Processor ARM Cortex-M7
Package / Case 144-LQFP
Data Converters A/D 24x12b; D/A 2x12b
Oscillator Type Internal
Program Memory Size 2MB (2M x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 105degC (TA)
Supplier Device Package 144-LQFP (20x20)
Voltage - Supply (Vcc/Vdd) 1.62V ~ 3.6V

Getting Started

Begin development using the SAM E70 Xplained Ultra evaluation kit (ATSAME70-XPLD) and the Microchip Studio or MPLAB X IDE. The part is fully supported by the Advanced Software Framework (ASF) and Harmony v3, which provide drivers for the Ethernet, USB, and CAN-FD stacks.

Dev Boards

Development boards and breakout modules featuring the ATSAME70Q21B-ANT or compatible chips — ready to use for prototyping.

Hardware Debuggers The MPLAB PICkit 4 is a significant upgrade over the PICkit 3 offering faster programming speeds and
Mouser 138 in stock
SAME70-XPLD Microchip Technology
Cortex-M7 based development board useful as a lower-cost or alternate-platform reference for real-time applications.

Also Consider

STM32H743ZIT6 STMicroelectronics - Offers a faster 480MHz clock speed and larger 2MB Flash for more demanding computational tasks.
ATSAMV71Q21B-AABT MCHPMicrochip Technology - The automotive-qualified (AEC-Q100) version of the SAME70 for use in harsher environmental conditions.