Description

The ATMEGA8L-8MI is a low-power CMOS 8-bit microcontroller based on the AVR RISC architecture. It achieves high performance and low power consumption through its advanced RISC architecture, allowing system designers to optimize power consumption versus processing speed. The ATMEGA8L-8MI combines a rich instruction set with 32 general-purpose working registers, allowing for efficient code execution and achieving throughputs up to ten times faster than conventional CISC microcontrollers.

Specifications and features

• High-performance, Low-power AVR® 8-bit Microcontroller
• Advanced RISC Architecture
• 130 Powerful Instructions - Most Single-clock Cycle Execution
• 32 x 8 General Purpose Working Registers
• Fully Static Operation
• Up to 16 MIPS Throughput at 16 MHz
• On-chip 2-cycle Multiplier
• Nonvolatile Program and Data Memories
• 8K Bytes of In-System Self-Programmable Flash Endurance: 10,000 Write/Erase Cycles
• Optional Boot Code Section with Independent Lock Bits
• In-System Programming by On-chip Boot Program
• True Read-While-Write Operation
• 512 Bytes EEPROM Endurance: 100,000 Write/Erase Cycles
• 1K Byte Internal SRAM
• Programming Lock for Software Security
• Peripheral Features
• Two 8-bit Timer/Counters with Separate Prescaler, one Compare Mode
• One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
• Real Time Counter with Separate Oscillator
• Three PWM Channels
• 8-channel ADC in TQFP and QFN/MLF package Eight Channels 10-bit Accuracy
• 6-channel ADC in PDIP package Eight Channels 10-bit Accuracy
• Byte-oriented Two-wire Serial Interface
• Programmable Serial USART
• Master/Slave SPI Serial Interface
• Programmable Watchdog Timer with Separate On-chip Oscillator
• On-chip Analog Comparator
• Special Microcontroller Features
• Power-on Reset and Programmable Brown-out Detection
• Internal Calibrated RC Oscillator
• External and Internal Interrupt Sources
• Five Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, and Standby
• I/O and Packages
• 23 Programmable I/O Lines
• 28-lead PDIP, 32-lead TQFP, and 32-pad QFN/MLF
• Operating Voltages
• 2.7 - 5.5V (ATMEGA8L)
• 4.5 - 5.5V (ATMEGA8)
• Speed Grades
• 0 - 8 MHz (ATMEGA8L)
• 0 - 16 MHz (ATMEGA8)
• Power Consumption at 4 Mhz, 3V, 25°C
• Active: 3.6 mA
• Idle Mode: 1.0 mA
• Power-down Mode: 0.5 µA

Application Scenarios

The ATMEGA8L-8MI microcontroller is suitable for a wide range of applications that require low power consumption and high-performance processing. It can be used in various electronic devices such as home automation systems, robotics, industrial control systems, and automotive electronics.

Comparison

• Low-power consumption
• High-performance processing
• Advanced RISC architecture
• Rich instruction set
• Efficient code execution

• Limited number of I/O lines
• May require additional components for specific applications