Senin, 09 April 2012

Spesifikasi 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
atmega81
Selamat belajar!

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