The ATMEGA329P-20ANR is a microcontroller unit (MCU) manufactured by Microchip Technology. It belongs to the ATmega family of 8-bit AVR microcontrollers, which are widely used in various embedded systems and applications.
Description:
The ATMEGA329P-20ANR is a high-performance, low-power microcontroller with an integrated 20 MHz oscillator. It features 32 KB of in-system programmable Flash memory, 2 KB of EEPROM, and 2 KB of SRAM. The device operates at a supply voltage range of 2.7 to 5.5 volts and has a wide operating temperature range of -40°C to +85°C.
Features:
- 8-bit AVR microcontroller core with 20 MHz oscillator.
- 32 KB of in-system programmable Flash memory.
- 2 KB of EEPROM.
- 2 KB of SRAM.
- 44 general-purpose input/output (GPIO) pins.
- 2-channel 8-bit analog-to-digital converter (ADC).
- 8-channel 16-bit timer/counter with PWM.
- USART for serial communication.
- SPI and TWI (I2C) interfaces for communication with external devices.
- On-chip debug system with JTAG and ISP (In-System Programming) capabilities.
- Brownout detection and reset.
- Sleep mode for low-power consumption.
- Electrostatic discharge (ESD) protection.
Applications:
The ATMEGA329P-20ANR is suitable for a wide range of applications due to its versatile features and low-power consumption. Some common applications include:
- Industrial control systems: Programmable logic controllers, motor control, and sensor interfacing.
- Home automation: Lighting control, HVAC systems, and security systems.
- Medical devices: Patient monitoring equipment, medical instruments, and wearable devices.
- Consumer electronics: Remote controls, toys, and small appliances.
- Automotive systems: Infotainment systems, body control modules, and engine management systems.
- Communication systems: Modems, routers, and network devices.
- Data acquisition and signal processing systems.
The ATMEGA329P-20ANR's combination of performance, memory, and low-power capabilities make it a popular choice for embedded systems designers looking for a reliable and cost-effective solution.