Microchip Technology's ATMEGA8A-ANR is a low-power, high-performance 8-bit microcontroller based on the AVR enhanced RISC architecture. It is designed to provide high computational power while minimizing power consumption, making it an ideal choice for a wide range of applications.
Description:
The ATMEGA8A-ANR features 8 KB of In-System Programmable Flash memory for storing the program code, 1 KB of EEPROM, and 1 KB of SRAM. It operates at a maximum frequency of 20 MHz and has a wide operating voltage range of 1.8 to 5.5 volts. The microcontroller is available in a 44-pin QFN package.
Features:
- 8-bit AVR RISC architecture with 128 instructions and a 16-bit wide register architecture.
- 8 KB In-System Programmable Flash memory with read-while-write capability.
- 1 KB EEPROM.
- 1 KB SRAM.
- 44 general-purpose I/O lines with optional internal pull-up resistors.
- 32 general-purpose working registers.
- Nested interrupt controller with 16 levels and 8 priority levels.
- On-chip debug system with JTAG interface.
- Two 8-bit timers/counters with input capture and compare modes.
- Two PWM channels.
- Eight-channel, 10-bit ADC with up to 11 gains.
- Serial peripheral interface (SPI) and two universal synchronous/asynchronous receivers/transmitters (USARTs).
- USB 2.0 full-speed interface with integrated PHY.
- Internal and external interrupts with up to 15 sources.
- Power-save mode, power-down mode, and idle mode for energy-efficient operation.
- Brownout detection and reset.
- Clock system with internal and external oscillator support, including a precision internal RC oscillator.
- Temperature range of -40°C to 85°C.
Applications:
The ATMEGA8A-ANR is suitable for a wide range of applications due to its low-power consumption and high computational power. Some potential applications include:
- Battery-powered devices, such as portable electronics and wireless communication devices.
- Industrial control systems, such as motor control and sensor interfacing.
- Medical devices, including portable monitoring equipment and diagnostic tools.
- Home automation and smart home devices, such as lighting control and security systems.
- Automotive applications, including control modules and sensor interfaces.
- Consumer electronics, such as appliances, toys, and gaming devices.
- Data acquisition and signal processing systems.
- Embedded systems in various industries, including aerospace, telecommunications, and computing.
The ATMEGA8A-ANR's combination of features, performance, and energy efficiency make it a versatile choice for a wide range of embedded applications.