ATmega8

ATmega8 adalah mikrokontroler CMOS 8-bit berarsitektur AVR RISC yang memiliki 8K Bytes In-System Programmable Flash. Mikrokontroler dengan konsumsi daya rendah ini mampu mengeksekusi instruksi dengan kecepatan maksimum 16 MIPS pada frekuensi 16MHz. Berikut adalah fitur selengkapnya dari AVR ATmega8.
+ High-Performance, Low-Power AVR 8-bit RISC Microcontroller
+ Advanced RISC Architecture

• 130 Powerful Instructions – Most Single-clock Execution
• 32 x 8 General Purpose Working Registers
• Fully Static Operation
• Up to 16 MIPS Throughput at 16MHz
• On-chip 2-cycle Multiplier

+ High-Endurance Non-Volatile Memory segments

• 8K Bytes In-System Self-programmable Flash Program Memory
• 512 Bytes EEPROM
• 1K Bytes of Internal SRAM
• Write/Erase Cycles: 10,000 Flash / 100,000 EEPROM
• Data Retention: 20 years at 85`C / 100 years at 25`C
• Opitonal 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 Timers/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
• 6-channel ADC with 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 – 8MHz (ATmega8L)
• 0 – 16MHz (ATmega8)

+ Power Consumption at 4MHz, 3V, 25`C

• Active: 3.6 mA
• Idle Mode: 1.0 mA
• Power-Down Mode: 0.5 uA

Pin Layout

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