Part # ATmega8 datasheet

Part Manufacturer: Atmel


Part Description: ATmega8

Part Details:

Features· High-performance, Low-power AVR® 8-bit Microcontroller· Advanced RISC Architecture ­ 130 Powerful Instructions ­ Most Single-clock Cycle Execution­ 32 x 8 General Purpose Working Registers­ Fully Static Operation­ Up to 16 MIPS Throughput at 16 MHz­ On-chip 2-cycle Multiplier · High Endurance Non-volatile Memory segments ­ 8K Bytes of In-System Self-programmable Flash program memory­ 512 Bytes EEPROM 8-bit ­ 1K Byte Internal SRAM­ Write/Erase Cycles: 10,000 Flash/100,000 EEPROM with 8K Bytes ­ Data retention: 20 years at 85°C/100 years at 25°C(1)­ Optional Boot Code Section with Independent Lock Bits In-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 ­ 2.7 - 5.5V (ATmega8L) ­ 4.5 - 5.5V (ATmega8) · Speed Grades ­ 0 - 8 MHz (ATmega8L)­ 0 - 16 MHz (ATmega8) · Power Consumption at 4 Mhz, 3V, 25°C ­ Active: 3.6 mA­ Idle Mode: 1.0 mA­ Power-down Mode: 0.5 µA Pin Configurations PDIP (RESET) PC6 1 28 PC5 (ADC5/SCL) (RXD) PD0 2 27 PC4 (ADC4/SDA) (TXD) PD1 3 26 PC3 (ADC3) (INT0) PD2 4 25

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ATmega8.pdf Datasheet