Oleh: Burhan | Agustus 26, 2010

Perbedaan & Persamaan ATmega8 dan ATmega8L

Pada kesempatan kali ini kita akan sedikit membahas mengenai fiture yang ada pada ATmega8/ATmega8L, diantaranya memiliki: 8KB self-programming Flash Program Memory, 1KB SRAM, 512 Byte EEPROM, 6 or 8 Channel 10-bit A/D-converter. Up to 16 MIPS throughput at 16 Mhz. 2.7 – 5.5 Volt. ATmega8/ATmega8L memiliki banyak persamaan fiture,  diantaranya:

+ 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 yang ada

  • 23 Programmable I/O Lines
  • 28-lead PDIP, 32-lead TQFP, and 32-pad QFN/MLF

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

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

Selain itu tentunya juga memiliki perbedaan, yaitu:

+ Operating Voltages

  • 2.7 – 5.5V (ATmega8L)
  • 4.5 – 5.5V (ATmega8)

+ Speed Grades

  • 0 – 8MHz (ATmega8L)
  • 0 – 16MHz (ATmega8)

ATmega8/8L (TQFP Packages)

Dengan mengetahui perbedaan ini diharapkan kita akan dapat memilih type mana yang sesuai untuk aplikasi yang akan kita buat sehingga Aplikasi kita bisa berjalan dengan optimal dengan harga yang semurah mungkin.


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