ATSAME70Q21B-CNT

Product Overview

Category: Microcontroller
Use: Embedded systems, Internet of Things (IoT) devices
Characteristics: High-performance, low-power consumption, advanced security features
Package: QFP (Quad Flat Package)
Essence: 32-bit ARM Cortex-M7 microcontroller
Packaging/Quantity: Tape and reel, 250 units per reel

Specifications

• Microcontroller Core: ARM Cortex-M7
• Operating Frequency: Up to 300 MHz
• Flash Memory: 2 MB
• SRAM: 384 KB
• EEPROM: 16 KB
• Digital I/O Pins: 144
• Analog Inputs: 24
• Communication Interfaces: UART, SPI, I2C, USB, Ethernet
• Operating Voltage: 1.62V - 3.6V
• Operating Temperature: -40°C to +105°C
• Package Dimensions: 14mm x 14mm

Pin Configuration

The ATSAME70Q21B-CNT microcontroller has a total of 144 pins. The pin configuration is as follows:

• Pins 1-8: Ground (GND)
• Pins 9-16: Power Supply (VDD)
• Pins 17-24: Analog Inputs (AIN0-AIN7)
• Pins 25-32: Digital I/O (PA0-PA7)
• Pins 33-40: Digital I/O (PB0-PB7)
• Pins 41-48: Digital I/O (PC0-PC7)
• Pins 49-56: Digital I/O (PD0-PD7)
• Pins 57-64: Digital I/O (PE0-PE7)
• Pins 65-72: Digital I/O (PF0-PF7)
• Pins 73-80: Digital I/O (PG0-PG7)
• Pins 81-88: Digital I/O (PH0-PH7)
• Pins 89-96: Digital I/O (PI0-PI7)
• Pins 97-104: Digital I/O (PJ0-PJ7)
• Pins 105-112: Digital I/O (PK0-PK7)
• Pins 113-120: Digital I/O (PL0-PL7)
• Pins 121-128: Digital I/O (PM0-PM7)
• Pins 129-136: Digital I/O (PN0-PN7)
• Pins 137-144: Digital I/O (PO0-PO7)

Functional Features

1. High Performance: The ATSAME70Q21B-CNT microcontroller operates at a frequency of up to 300 MHz, providing fast and efficient processing capabilities for demanding applications.
2. Low Power Consumption: With advanced power management features, this microcontroller ensures optimal energy efficiency, making it suitable for battery-powered devices.
3. Advanced Security: The device incorporates hardware security features such as secure boot, cryptographic acceleration, and tamper detection, ensuring robust protection against unauthorized access and data breaches.
4. Rich Communication Interfaces: The microcontroller offers various communication interfaces including UART, SPI, I2C, USB, and Ethernet, enabling seamless connectivity with other devices and networks.
5. Ample Memory: With 2 MB of flash memory, 384 KB of SRAM, and 16 KB of EEPROM, the ATSAME70Q21B-CNT provides sufficient storage capacity for program code, data, and configuration settings.

Advantages and Disadvantages

Advantages: - High-performance processing capabilities - Low power consumption for energy-efficient operation - Advanced security features for enhanced data protection - Versatile communication interfaces for seamless connectivity - Ample memory capacity for storing program code and data

Disadvantages: - Relatively large package size (QFP) may limit its use in space-constrained applications - Higher cost compared to lower-end microcontrollers with similar functionalities

Working Principles

The ATSAME70Q21B-CNT microcontroller is based on the ARM Cortex-M7 core architecture. It executes instructions stored in its flash memory, processes data, and controls various peripherals and interfaces according to the program code. The microcontroller operates at a specified clock frequency, enabling it to perform tasks efficiently. It interacts with external devices through digital I/O pins and communication interfaces, facilitating data exchange and system integration.

Application Field Plans

The ATSAME70Q21B-CNT microcontroller finds applications in various fields, including but not limited to: - Industrial automation - Automotive systems - Consumer electronics - Smart home devices - Medical equipment - Internet of Things (IoT) devices

Its high-performance capabilities, low power consumption, and advanced security features