Vi Điều Khiển Atmega8

ính năng• cao hiệu suất, điện năng thấp AVR ® vi điều khiển 8-bit• Nâng cao kiến trúc RISC- 130 mạnh mẽ hướng dẫn - Phần lớn đồng hồ đơn Mùa Thi- 32 x 8 Tổng Mục đích làm việc Đăng ký- Hoàn toàn tĩnh hoạt động- Lên đến 16 MIPS Throughput tại 16 MHz- On-chip 2-chu Multiplier
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Vi Điều Khiển Atmega8Features• 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 8-bit – 512 Bytes EEPROM – 1K Byte Internal SRAM with 8K Bytes – 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 In-System Programming by On-chip Boot Program True Read-While-Write Operation Programmable – Programming Lock for Software Security• Peripheral Features Flash – 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 ATmega8 – Three PWM Channels – 8-channel ADC in TQFP and QFN/MLF package ATmega8L Eight Channels 10-bit Accuracy – 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 Rev.2486X–AVR–06/10Pin PDIPConfigurations (RESET) PC6 1 28 PC5 (ADC5/SCL) (RXD) PD0 2 27 PC4 (ADC4/SDA) (TXD) PD1 3 26 PC3 (ADC3) (INT0) PD2 4 25 PC2 (ADC2) (INT1) PD3 5 24 PC1 (ADC1) (XCK/T0) PD4 6 23 PC0 (ADC0) VCC 7 22 GND GND 8 21 AREF (XTAL1/TOSC1) PB6 9 20 AVCC (XTAL2/TOSC2) PB7 10 19 PB5 (SCK) (T1) PD5 11 18 PB4 (MISO) (AIN0) PD6 12 17 PB3 (MOSI/OC2) (AIN1) PD7 13 16 PB2 (SS/OC1B) (ICP1) PB0 14 15 PB1 (OC1A) TQFP Top View PC4 (ADC4/SDA) PC5 (ADC5/SCL) PC6 (RESET) PC3 (ADC3) PC2 (ADC2) PD2 (INT0) PD0 (RXD) PD1 (TXD) 32 31 30 29 ...