آی سی میکرو کنترلر ATMEGA8A_U یک میکروکنترلر ۸ بیتی از خانواده AVR تولید شرکت Atmel است . این میکرو کنترلر نسخه اصلاح شده ATMEGA8 است که می توانید لیست اصلاحات آن را از فایل های زیر مطالعه کنید . توصیه می شود به جای این محصول میکروکنترلر ATMEGA48PA را خریداری کنید ( ملاحظات فنی ) .
Features
• High-performance, Low-power Atmel®AVR® ۸-bit Microcontroller
• Advanced RISC Architecture
– ۱۳۰ Powerful Instructions – Most Single-clock Cycle Execution
– ۳۲ x 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
– ۸KBytes of In-System Self-programmable Flash program memory
– ۵۱۲Bytes EEPROM
– ۱KByte 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
– ۸-channel ADC in TQFP and QFN/MLF package
• Eight Channels 10-bit Accuracy
– ۶-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
– ۲۳ Programmable I/O Lines
– ۲۸-lead PDIP, 32-lead TQFP, and 32-pad QFN/MLF
• Operating Voltages
– ۲.۷ – ۵.۵V
– ۰ – ۱۶MHz
• Power Consumption at 4MHz, 3V, 25°C
– Active: 3.6mA
– Idle Mode: 1.0mA
– Power-down Mode: 0.5µA
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