Overview
The ATMEGA8L-8AU is a low-power CMOS 8-bit microcontroller produced by Microchip Technology, based on the AVR RISC architecture. This microcontroller is designed to provide high performance and low power consumption, making it suitable for a wide range of embedded control applications. It features a robust set of peripherals and memory options, including in-system self-programmable Flash, EEPROM, and SRAM. The ATMEGA8L-8AU is part of the ATMEGA family and is known for its flexibility and cost-effectiveness in various industrial and commercial applications.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Microchip Technology |
| Type of integrated circuit | AVR microcontroller |
| Case | TQFP32 |
| Clock frequency | Up to 16 MHz |
| Number of inputs/outputs | 23 |
| Number of PWM channels | 3 |
| Number of 8-bit timers | 2 |
| Number of 16-bit timers | 1 |
| Mounting | SMD |
| Operating temperature | -40°C to 85°C |
| Operating frequency | 0 - 8 MHz |
| Number of external interrupts | 2 |
| Memory | 8 kB Flash, 512 B EEPROM, 1 kB SRAM |
| Number of output compare channels | 3 |
| Number of comparators | 1 |
| Number of input capture channels | 1 |
| Number of 10-bit A/D converters | 8 |
| Operating voltages | 2.7V - 5.5V |
| Power consumption at 4 MHz, 3V, 25°C | Active: 3.6 mA, Idle: 1.0 mA, Power-down: 0.5 µA |
Key Features
- Advanced RISC Architecture: 130 powerful instructions, most single-clock cycle execution, 32 general purpose working registers, and fully static operation.
- High Endurance Non-volatile Memory: 8 kB of in-system self-programmable Flash, 512 bytes of EEPROM, and 1 kB of internal SRAM.
- Peripheral Features: Two 8-bit timer/counters, one 16-bit timer/counter, real-time counter, three PWM channels, 8-channel 10-bit ADC, byte-oriented two-wire serial interface, programmable serial USART, master/slave SPI serial interface, and programmable watchdog timer.
- Special Microcontroller Features: Power-on reset, programmable brown-out detection, internal calibrated RC oscillator, external and internal interrupt sources, and five sleep modes (idle, ADC noise reduction, power-save, power-down, and standby).
- I/O and Packages: 23 programmable I/O lines, available in 28-lead PDIP, 32-lead TQFP, and 32-pad QFN/MLF packages.
Applications
The ATMEGA8L-8AU microcontroller is versatile and can be used in a variety of applications, including:
- Embedded Control Systems: Ideal for controlling and monitoring various industrial and commercial systems.
- Automotive Systems: Suitable for use in automotive electronics due to its robust operating temperature range and low power consumption.
- Consumer Electronics: Used in devices such as remote controls, appliances, and other consumer electronic products.
- Industrial Automation: Can be integrated into automation systems for monitoring and controlling industrial processes.
- Robotics and IoT Devices: Its low power consumption and rich set of peripherals make it a good choice for robotics and IoT applications.
Q & A
- What is the operating temperature range of the ATMEGA8L-8AU?
The operating temperature range is -40°C to 85°C.
- What are the memory specifications of the ATMEGA8L-8AU?
The microcontroller has 8 kB of Flash, 512 bytes of EEPROM, and 1 kB of SRAM.
- How many PWM channels does the ATMEGA8L-8AU have?
The ATMEGA8L-8AU has three PWM channels.
- What are the available package types for the ATMEGA8L-8AU?
The microcontroller is available in 28-lead PDIP, 32-lead TQFP, and 32-pad QFN/MLF packages.
- What is the maximum clock frequency of the ATMEGA8L-8AU?
The maximum clock frequency is 16 MHz, but the ATMEGA8L specifically operates up to 8 MHz.
- How many external interrupts does the ATMEGA8L-8AU support?
The microcontroller supports two external interrupts.
- What is the power consumption of the ATMEGA8L-8AU at 4 MHz, 3V, and 25°C?
The power consumption is 3.6 mA in active mode, 1.0 mA in idle mode, and 0.5 µA in power-down mode.
- Does the ATMEGA8L-8AU support in-system programming?
- What are the sleep modes available on the ATMEGA8L-8AU?
The microcontroller has five sleep modes: idle, ADC noise reduction, power-save, power-down, and standby.
- Is the ATMEGA8L-8AU suitable for automotive applications?
