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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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ATtiny45 Datenblatt(PDF) 3 Page - ATMEL Corporation |
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ATtiny45 Datenblatt(HTML) 3 Page - ATMEL Corporation |
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3 / 196 page  3 7598H–AVR–07/09 ATtiny25/45/85 2.1 Block Diagram Figure 2-1. Block Diagram The AVR core combines a rich instruction set with 32 general purpose working registers. All the 32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be accessed in one single instruction executed in one clock cycle. The resulting architecture is more code efficient while achieving throughputs up to ten times faster than con- ventional CISC microcontrollers. PROGRAM COUNTER INTERNAL OSCILLATOR WATCHDOG TIMER STACK POINTER PROGRAM FLASH SRAM MCU CONTROL REGISTER GENERAL PURPOSE REGISTERS INSTRUCTION REGISTER TIMER/ COUNTER0 SERIAL UNIVERSAL INTERFACE TIMER/ COUNTER1 INSTRUCTION DECODER DATA DIR. REG.PORT B DATA REGISTER PORT B PROGRAMMING LOGIC TIMING AND CONTROL MCU STATUS REGISTER STATUS REGISTER ALU PORT B DRIVERS PB0-PB5 VCC GND CONTROL LINES 8-BIT DATABUS Z ADC / ANALOG COMPARATOR INTERRUPT UNIT DATA EEPROM CALIBRATED OSCILLATORS Y X RESET |
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