Overview
The ATMEGA8L-8AUR, produced by Microchip Technology, is a low-power CMOS 8-bit AVR microcontroller based on the AVR RISC architecture. This microcontroller is designed to offer high performance and low power consumption, making it suitable for a wide range of embedded control applications. The ATMEGA8L-8AUR is part of the ATmega8L series, which operates within a voltage range of 2.7V to 5.5V and can run at speeds up to 8MHz. It is supported by a comprehensive suite of development tools, including C compilers, macro assemblers, program simulators, and evaluation kits.
Key Specifications
| Specification | Value |
|---|---|
| Microcontroller Type | 8-bit AVR RISC |
| Operating Voltage | 2.7V to 5.5V |
| Operating Speed | Up to 8MHz |
| Flash Memory | 8Kbytes In-System Self-programmable |
| EEPROM | 512Bytes |
| Internal SRAM | 1Kbyte |
| Timer/Counters | Two 8-bit, One 16-bit |
| ADC Channels | 8 channels (TQFP, QFN/MLF), 6 channels (PDIP) |
| PWM Channels | Three |
| I/O Lines | 23 Programmable I/O Lines |
| Package Types | 28-lead PDIP, 32-lead TQFP, 32-pad QFN/MLF |
| Power Consumption (Active) | 3.6mA at 4MHz, 3V, 25°C |
| Power Consumption (Idle Mode) | 1.0mA at 4MHz, 3V, 25°C |
| Power Consumption (Power-down Mode) | 0.5µA at 4MHz, 3V, 25°C |
Key Features
- High-performance, low-power 8-bit AVR microcontroller
- Advanced RISC architecture with 130 powerful instructions, most executed in a single clock cycle
- 32 general-purpose working registers directly connected to the Arithmetic Logic Unit (ALU)
- Fully static operation
- Up to 16 MIPS throughput at 16MHz (ATmega8), up to 8 MIPS at 8MHz (ATmega8L)
- On-chip 2-cycle multiplier
- High endurance non-volatile memory segments: 8Kbytes Flash, 512Bytes EEPROM, 1Kbyte SRAM
- Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
- Data retention: 20 years at 85°C/100 years at 25°C
- Optional Boot Code Section with Independent Lock Bits
- In-System Programming by On-chip Boot Program
- True Read-While-Write Operation
- Programming Lock for Software Security
- Peripheral Features: Timer/Counters, Real-Time Counter, PWM Channels, ADC, Serial Interfaces (TWI, USART, SPI), Programmable Watchdog Timer, On-chip Analog Comparator
- Special Microcontroller Features: Power-on Reset, Programmable Brown-out Detection, Internal Calibrated RC Oscillator, External and Internal Interrupt Sources, Five Sleep Modes
Applications
The ATMEGA8L-8AUR microcontroller is versatile and can be used in a variety of embedded control applications, including:
- Industrial control systems
- Consumer electronics
- Automotive systems
- Medical devices
- Home appliances
- Robotics and automation
- Sensor networks and IoT devices
Q & A
- What is the operating voltage range of the ATMEGA8L-8AUR?
The operating voltage range is from 2.7V to 5.5V. - What is the maximum operating speed of the ATMEGA8L-8AUR?
The maximum operating speed is up to 8MHz. - How much flash memory does the ATMEGA8L-8AUR have?
The ATMEGA8L-8AUR has 8Kbytes of In-System Self-programmable Flash memory. - What types of packages are available for the ATMEGA8L-8AUR?
The ATMEGA8L-8AUR is available in 28-lead PDIP, 32-lead TQFP, and 32-pad QFN/MLF packages. - How many programmable I/O lines does the ATMEGA8L-8AUR have?
The ATMEGA8L-8AUR has 23 programmable I/O lines. - What is the power consumption in active mode at 4MHz, 3V, and 25°C?
The power consumption in active mode is 3.6mA. - Does the ATMEGA8L-8AUR support in-system programming?
Yes, the ATMEGA8L-8AUR supports in-system programming by an on-chip boot program. - What are the key peripheral features of the ATMEGA8L-8AUR?
The key peripheral features include Timer/Counters, Real-Time Counter, PWM Channels, ADC, Serial Interfaces (TWI, USART, SPI), Programmable Watchdog Timer, and On-chip Analog Comparator. - How many ADC channels does the ATMEGA8L-8AUR have?
The ATMEGA8L-8AUR has 8 ADC channels in TQFP and QFN/MLF packages and 6 ADC channels in PDIP packages. - What are the sleep modes available on the ATMEGA8L-8AUR?
The ATMEGA8L-8AUR has five sleep modes: Idle, ADC Noise Reduction, Power-save, Power-down, and Standby.
