Sistem Mikroprosessor Universitas Jenderal Achmad Yani Rizal suryana

 AVR  ALF and VEGARD`S RISC PROCESSOR  DIKEMBANGKAN TAHUN 1997  LEBAR BUS DATA 8 BIT  BEKERJA SESUAI DENGAN FREKUENSI OSILATOR  KELUAR AVR  tinyAVR, AVRClasic, megaAVR, XMEGA

MODELFLASHEEPROMSRAMCLOCKPACKAGE tinyAVR1 – 2 KB64 – 128 byte – 16 MHz8 – 32 PIN AVR Clasisic 1 – 8 KB128 – 5120 – 1Kbyte8 – 16 MHz20 – 44 PIN megaAVR8 – 128 KB512 – 4 KB512 – 4 Kb4 – 20 MHz32 – 64 XMEGA16 – 384 KB 1Kb – 4 Kb4Kb – 46 Kb 4 – 32 MHz44 – 64 – 100 PIN

tinyAVRClassic AVRmegaAVRXMEGA ATtiny13AT90S2313ATmega103ATxmega16A4 ATtiny22AT90S2323ATmega128ATxmega128A1 ATtiny22LAT90S2333ATmega16/LATxmega128A3 ATtiny2313AT90S4414ATmega162ATxmega192A3 ATtiny2313VAT90S4433ATmega168ATxmega32D4 ATtiny26AT90S8515ATmega8535ATxmega64 ATmega8/LATxmega256 ATmega32/LATxmega32

 Source from

Source from

 Source from

 STACK POINTER  PROGRAM COUNTER  INSTRUCTION REGISTER  INSTRUCTION DECODER  GENERAL PORPUSE REGISTER  32 REGISTER  ALU  STATUS REGISTER

 I  GLOBAL INTERUPT ENABLE  T  BIT COPY STORAGE  COPY BIT ANTAR BIT REGISTER  H  HALF CARRY FLAG  UNTUK MENUNJUKAN TIDAK ADANYA SETENGAH CARRY PADA OPERASI ARTIMATIKA  S  SIGN BIT  MERUPAKAN HASIL EOR ANTARA FLAG –N (NEGATIF) DAN FLAG V (KOMPLEMEN DUA OVERFLOW)  V  TWO`S COMPONENT OVERFLOW FLAG  PERHITUNGAN SEBELUMNYA MENYEBABKAN OVERFLOW  N  NEGATIVE FLAG  DISET JIKA HASIL OPERASI MATEMATIS MENGHASILKAN NEGATIF  Z  ZERO FLAG  DISET JIKA HASIL OPERASI MATEMATIS MENGHASILKAN BILANGAN 0  C  CARRY FLAG  DISET JIKA OPERASI MENGHASILKAN CARRY

 FLASH MEMORY  SRAM  EEPROM

 TWI  SPI  UASRT  ISP

 COUNTER  TIMER  WATCHDOG TIMER

 EXTERNAL  INTERNAL

 8 BIT BIDIRECTIONAL  PORT A, PORTB, PORT C DAN PORT D

 ADC  PWM

 PORT A  I/O 8BIT BIDIRECTIONAL  OUTPUT ARUS 20mA  PORT B  I/O 8 BIT BIDIRECTIONAL  OUTPUT ARUS 20 mA  MEMILIKI FUNGSI ALTERNATIF  PORT C  I/O 8 BIT BIDIRECTIONAL  OUTPUT ARUS 20 mA  PORT D  I/O 8 BIT BIDIRECTIONAL  OUTPUT ARUS 20 mA  MEMILIKI FUNGSI ALTERNATIF

PORT PINFUNGSI PB0T0 = TIMER/COUNTER 0 EXTERNAL COUNTER INPUT PB1T1 = TIMER/COUNTER 1 EXTERNAL COUNTER INPUT PB2AIN0 = ANALOG COMPARATOR POSITIVE INPUT PB3AIN1 = ANALOG COMPARATOR NEGATIVE INPUT PB4SS = SPI SLAVE SELECT INPUT PB5MOSI = SPI BUS MASTER OUTPUT/SLAVE INPUT PB6MISO = SPI BUS MASTER INPUT/SLAVE OUTPUT PB7SCK = SPI BUS SERIAL CLOCK

PORT PINFUNGSI PD0RDX (UART INPUT LINE) PD1TDX (UART OUTPUT LINE) PD2INT0 = EXTERNAL INTERRUPT 0 INPUT PD3INT1 = EXTERNAL INTERRUPT 1 INPUT PD4OC1B = TIMER/COUNTER1 OUTPUT COMPARE B MATCH OUTPUT PD5OC1A = TIMER/COUNTER1 OUTPUT COMPARE A MATCH OUTPUT PD6ICP = TIMER/COUNTER1 INPUT CAPTURE PIN PD7OC2 TIMER/COUNTER OUTPUT COMPARE MATCH OUPUT

 RESET PIN 9  XTAL1 DAN XTAL 2  INPUT OSILATOR  AVCC  INPUT TEGANGAN UNTUK ADC  AREF  REFERENSI ADC  AGND  ANALOG GROUND