ATMEGA8
Overview
- High-performance, Low-power Atmel®AVR® 8-bit Microcontroller
- Advanced RISC Architecture - 130 Powerful Instructions - Most Single-clock Cycle Execution - 32 × 8 General Purpose Working Registers - Fully Static Operation - Up to 16MIPS Throughput at 16MHz - On-chip 2-cycle Multiplier
- High Endurance Non-volatile Memory segments - 8Kbytes of In-System Self-programmable Flash program memory - 512Bytes EEPROM - 1Kbyte Internal SRAM - Write/Erase Cycles: 10,000 Flash/100,000 EEPROM - Data retention: 20 years at 85°C/100 years at 25°C(1) - 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 - 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 Six 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 - 2.7V - 5.5V (ATmega8L) - 4.5V - 5.5V (ATmega8)
- Speed Grades - 0 - 8MHz (ATmega8L) - 0 - 16MHz (ATmega8)
- Power Consumption at 4Mhz, 3V, 25°C - Active: 3.6mA - Idle Mode: 1.0mA - Power-down Mode: 0.5µA 8-bit Atmel with 8KBytes I
