company blog about Microchip ATSAM4N8AA-AUR High Performance 32-Bit ARM Cortex-M4 Microcontrollers

Microchip ATSAM4N8AA-AUR High Performance 32-Bit ARM Cortex-M4 Microcontrollers

Shenzhen Mingjiada Electronics Co., Ltd., as a professional supplier of electronic components, now offers Microchip's high-performance ATSAM4N8AA-AUR 32-bit ARM Cortex-M4 microcontroller, providing a powerful core for industrial automation and smart device design. This ATSAM4N8AA-AUR microcontroller is based on a high-performance 32-bit ARM Cortex-M4 RISC processor and is suitable for various application scenarios such as industrial automation, energy metering, consumer electronics, and smart home control.

【ATSAM4N8AA-AUR Product Overview】

The ATSAM4N8AA-AUR is a flash microcontroller based on a high-performance 32-bit ARM Cortex-M4 RISC processor. It operates at a maximum frequency of 100 MHz and features up to 1024 KB of flash memory and up to 80 KB of SRAM. The peripheral set includes 3 USARTs, 4 UARTs, 3 TWIs, 1 SPI, 1 PWM timer, 2 three-channel general-purpose 16-bit timers (supporting stepper motor and four-phase decoding logic), low-power RTC, low-power RT T, a 256-bit general-purpose backup register, a 10-bit ADC (achieving 12 bits via digital averaging), and a 10-bit DAC with an internal voltage reference.

【ATSAM4N8AA-AUR Specifications】

Core: ARM Cortex-M4

Program memory capacity: 512 kB

Data bus width: 32 bits

ADC resolution: 10 bits

Maximum clock frequency: 100 MHz

Number of I/O pins: 34 I/O pins

Data RAM capacity: 64 kB

Supply voltage - minimum: 1.62 V

Supply voltage - maximum: 1.95 V

Minimum operating temperature: -40°C

Maximum operating temperature: +85°C

Data RAM type: SRAM

I/O voltage: 3.3 V

Interface types: I2C, SPI, UART

Humidity sensitivity: Yes

ADC channels: 8 channels

Timers/counters: 6 timers

Unit weight: 181.700 milligrams

【ATSAM4N8AA-AUR Core Features and Advantages】

The ATSAM4N8AA-AUR microcontroller, with its outstanding performance and rich features, is an ideal choice for embedded system design.

High-performance processing core: The ATSAM4N8AA-AUR microcontroller is based on the ARM Cortex-M4 core, operating at a maximum frequency of 100 MHz, and supports the DSP instruction set and Thumb®-2 instruction set, enabling efficient handling of complex computational tasks.

Abundant Storage Resources: The ATSAM4N8AA-AUR integrates 512 KB of flash memory (program memory) and 64 KB of SRAM on-chip, providing ample space for program code and data storage to meet the demands of complex applications.

ATSAM4N8AA-AUR features a wide range of peripheral interfaces: The controller is equipped with multiple communication interfaces, including:

3 USARTs (supporting RS-485, IrDA, and other modes)

4 UARTs

3 TWIs (I2C)

1 SPI interface

These interfaces enable seamless connectivity with various sensors, actuators, and external devices.

Advanced timing and control functions: The ATSAM4N8AA-AUR includes 1 PWM timer, 2 three-channel 16-bit general-purpose timers (supporting stepper motor control and quadrature decoder logic), providing robust support for motor control and precision timing applications.

Analogue functionality integration: The ATSAM4N8AA-AUR features a 10-bit ADC (up to 9 channels, with digital averaging to achieve 12-bit precision) and a 10-bit DAC (with internal voltage reference), reducing the need for external discrete components.

Enhanced security and reliability: The ATSAM4N8AA-AUR device includes a memory protection unit (MPU), brown-out detection (BOD), power-on reset (POR), and dual watchdog timers to ensure stable and reliable operation in harsh environments.

Low-power features: The ATSAM4N8AA-AUR supports multiple low-power modes (sleep, standby, backup), with power consumption as low as 0.7 µA in backup mode (with RTC, RTT, and GPBR operational), making it ideal for battery-powered or power-sensitive applications.

Physical Packaging and Operating Conditions

Package Type: The ATSAM4N8AA-AUR is housed in a 48-pin LQFP package (7x7 mm, 0.5 mm pitch), suitable for space-constrained applications.

Operating Voltage: Single-supply operation from 1.62V to 3.6V, compatible with low-voltage logic levels.

Operating Temperature Range: -40°C to +85°C, meeting the environmental requirements of industrial-grade applications.

【Target Application Areas for ATSAM4N8AA-AUR】

The high performance and peripheral integration of the ATSAM4N8AA-AUR microcontroller make it ideal for a wide range of applications:

Industrial Automation and Control Systems: Suitable for PLCs, motor drives, industrial gateways, etc.

Machine-to-Machine (M2M) Communication

Smart Energy Metering: Used in electricity meters, water meters, gas meters, etc.

Consumer Electronics and Home Appliances: Smart home controllers, high-end home appliance control boards.

Building and Home Control: Building automation, security systems, etc.