Atmega8 IC Only



High-performance, Low-power Atmel
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 8-bit Atmel with – 1Kbyte Internal SRAM – Write/Erase Cycles: 10,000 Flash/100,000 EEPROM 8KBytes In- – Data retention: 20 years at 85°C/100 years at 25°C
– Optional Boot Code Section with Independent Lock Bits System In-System Programming by On-chip Boot Program True Read-While-Write Operation – Programming Lock for Software Security Programmable

Peripheral Features – Two 8-bit Timer/Counters with Separate Prescaler, one Compare Mode Flash – One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode – Real Time Counter with Separate Oscillator – Three PWM Channels ATmega8 – 8-channel ADC in TQFP and QFN/MLF package Eight Channels 10-bit Accuracy ATmega8L – 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)


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