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ATMEGA8A_14 Datasheet, PDF (1/320 Pages) ATMEL Corporation – 8-bit Atmel Microcontroller with 8KB In-System Programmable Flash | |||
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8-bit Atmel Microcontroller with 8KB In-System Programmable Flash
ATmega8A
Features
⢠High-performance, Low-power Atmel®AVR® 8-bit Microcontroller
⢠Advanced RISC Architecture
â 130 Powerful Instructions â Most Single-clock Cycle Execution
â 32 x 8 General Purpose Working Registers
â Fully Static Operation
â Up to 16MIPS Throughput at 16MHz
â On-chip 2-cycle Multiplier
⢠High Endurance Non-volatile Memory segments
â 8KBytes of In-System Self-programmable Flash program memory
â 512Bytes EEPROM
â 1KByte Internal SRAM
â Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
â Data retention: 20 years at 85ï°C/100 years at 25ï°C(1)
â Optional Boot Code Section with Independent Lock Bits
⢠In-System Programming by On-chip Boot Program
⢠True Read-While-Write Operation
â Programming Lock for Software Security
⢠Atmel QTouch® library support
â Capacitive touch buttons, sliders and wheels
â Atmel QTouch and QMatrix acquisition
â Up to 64 sense channels
⢠Peripheral Features
â Two 8-bit Timer/Counters with Separate Prescaler, one Compare Mode
â One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
â Real Time Counter with Separate Oscillator
â Three PWM Channels
â 8-channel ADC in TQFP and QFN/MLF package
⢠Eight Channels 10-bit Accuracy
â 6-channel ADC in PDIP package
⢠Six Channels 10-bit Accuracy
â Byte-oriented Two-wire Serial Interface
â Programmable Serial USART
â Master/Slave SPI Serial Interface
â Programmable Watchdog Timer with Separate On-chip Oscillator
â On-chip Analog Comparator
⢠Special Microcontroller Features
â Power-on Reset and Programmable Brown-out Detection
â Internal Calibrated RC Oscillator
â External and Internal Interrupt Sources
â Five Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, and Standby
⢠I/O and Packages
â 23 Programmable I/O Lines
â 28-lead PDIP, 32-lead TQFP, and 32-pad QFN/MLF
⢠Operating Voltages
â 2.7 - 5.5V
â 0 - 16MHz
⢠Power Consumption at 4MHz, 3V, 25ï°C
â Active: 3.6mA
â Idle Mode: 1.0mA
â Power-down Mode: 0.5µA
8159EâAVRâ02/2013
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