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APPENDICE A: DESCRIZIONE COMPONENTI DI BORDO
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ATmega8L
Link:
Home | Servizio Documentazione Tecnica | ATMEL | Data-Sheet ATmega8L
URL:
http://www.grifo.it/PRESS/DOC/Atmel/ATMEGA8L.pdf
1
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
• Nonvolatile Program and Data Memories
–8K Bytes of In-System Self-Programmable Flash
Endurance: 10,000 Write/Erase Cycles
–Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
– 512 Bytes EEPROM
Endurance: 100,000 Write/Erase Cycles
–1K Byte Internal SRAM
–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
–8-channel ADC in TQFP and MLF package
Six Channels 10-bit Accuracy
Two Channels 8-bit Accuracy
–6-channel ADC in PDIP package
Four Channels 10-bit Accuracy
Two Channels 8-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 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
qC
–Active: 3.6 mA
–Idle Mode: 1.0 mA
–Power-down Mode: 0.5 µA
8-bit
with 8K Bytes
In-System
Programmable
Flash
ATmega8
ATmega8L
Preliminary
Rev. 2486J–AVR–02/03
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