Overview
The ATMEGA8-16AUR is a high-performance, low-power 8-bit microcontroller from Microchip Technology, based on the AVR RISC architecture. This microcontroller is known for its powerful instructions, most of which are executed in a single clock cycle, and its fully static operation. It is part of the ATmega8 series, which offers a robust set of features and peripherals, making it suitable for a wide range of applications.
Key Specifications
| Specification | Details |
|---|---|
| Microcontroller Type | 8-bit AVR RISC |
| Flash Memory | 8 Kbytes (In-System Self-programmable) |
| EEPROM | 512 Bytes |
| SRAM | 1 Kbyte |
| General Purpose I/O Lines | 23 |
| Timer/Counters | Two 8-bit, One 16-bit with Separate Prescaler, Compare Mode, and Capture Mode |
| ADC Channels | 8 channels (10-bit accuracy) in TQFP and QFN/MLF packages, 6 channels in PDIP package |
| Serial Interfaces | Byte-oriented Two-wire Serial Interface, Programmable Serial USART, Master/Slave SPI Serial Interface |
| Operating Voltages | 4.5V - 5.5V (ATmega8), 2.7V - 5.5V (ATmega8L) |
| Speed Grades | 0 - 16MHz (ATmega8), 0 - 8MHz (ATmega8L) |
| Power Consumption | Active: 3.6mA at 4MHz, 3V, 25°C; Idle Mode: 1.0mA; Power-down Mode: 0.5µA |
| Package Types | 28-lead PDIP, 32-lead TQFP, 32-pad QFN/MLF |
Key Features
- High-performance, low-power operation with up to 16 MIPS throughput at 16MHz.
- Advanced RISC architecture with 130 powerful instructions and 32 general purpose working registers.
- On-chip 2-cycle multiplier and real-time counter with separate oscillator.
- Three flexible Timer/Counters and three PWM channels.
- Programmable Serial USART, Master/Slave SPI Serial Interface, and byte-oriented Two-wire Serial Interface.
- Programmable Watchdog Timer with separate on-chip oscillator and internal calibrated RC oscillator.
- Five sleep modes: Idle, ADC Noise Reduction, Power-save, Power-down, and Standby.
- Power-on Reset and programmable Brown-out Detection.
Applications
The ATMEGA8-16AUR is versatile and can be used in a variety of applications, including:
- Embedded systems requiring low power consumption and high performance.
- Industrial control systems, such as motor control and automation.
- Consumer electronics, including remote controls and appliances.
- Automotive systems, such as dashboard controls and sensors.
- Medical devices and health monitoring systems.
- Robotics and IoT projects requiring robust microcontroller capabilities.
Q & A
- What is the architecture of the ATMEGA8-16AUR microcontroller?
The ATMEGA8-16AUR is based on the AVR RISC architecture, which executes most instructions in a single clock cycle. - How much flash memory does the ATMEGA8-16AUR have?
The ATMEGA8-16AUR has 8 Kbytes of In-System Self-programmable flash memory. - What are the operating voltage ranges for the ATMEGA8 and ATMEGA8L?
The ATmega8 operates between 4.5V and 5.5V, while the ATmega8L operates between 2.7V and 5.5V. - What are the speed grades for the ATMEGA8 and ATMEGA8L?
The ATmega8 can operate up to 16MHz, and the ATmega8L can operate up to 8MHz. - How many ADC channels does the ATMEGA8-16AUR have?
The ATMEGA8-16AUR has 8 ADC channels in TQFP and QFN/MLF packages and 6 ADC channels in PDIP packages. - What are the power consumption levels for the ATMEGA8-16AUR?
Active mode: 3.6mA at 4MHz, 3V, 25°C; Idle mode: 1.0mA; Power-down mode: 0.5µA. - What types of serial interfaces are available on the ATMEGA8-16AUR?
The ATMEGA8-16AUR features a byte-oriented Two-wire Serial Interface, Programmable Serial USART, and Master/Slave SPI Serial Interface. - Does the ATMEGA8-16AUR support in-system programming?
Yes, the ATMEGA8-16AUR supports In-System Programming by an on-chip boot program and True Read-While-Write operation. - What are the package types available for the ATMEGA8-16AUR?
The ATMEGA8-16AUR is available in 28-lead PDIP, 32-lead TQFP, and 32-pad QFN/MLF packages. - What is the endurance of the non-volatile memory on the ATMEGA8-16AUR?
The flash memory has 10,000 write/erase cycles, and the EEPROM has 100,000 write/erase cycles, with data retention of 20 years at 85°C or 100 years at 25°C.
