Arduino Uno R3 memiliki prosesor RISC yaitu ATmega328P.
Berikut ini contoh Arduino UNO R3
Prosesor utama pada Arduino UNO R3 adalah sebuah prosesor ATmega328P buatan Atmel. Prosesor ini termasuk jenis prosesor dengan arsitektur RISC.
Fitur prosesor ATmega328P
Berikut ini fitur prosesor ATmega328P yang dipakai di Arduino UNO
- High performance, low power AVR® 8-bit microcontroller
- Advanced RISC architecture
- 131 powerful instructions – most single clock cycle execution
- 32 x 8 general purpose working registers
- Fully static operation
- Up to 16MIPS throughput at 16MHz
- On-chip 2-cycle multiplier
- High endurance non-volatile memory segments
- 32K bytes of in-system self-programmable flash program memory
- 1Kbytes EEPROM
- 2Kbytes internal SRAM
- Write/erase cycles: 10,000 flash/100,000 EEPROM
- Optional boot code section with independent lock bits
- In-system programming by on-chip boot program
- True read-while-write operation
- Programming lock for software security
- Peripheral features
- Two 8-bit Timer/Counters with separate prescaler and compare mode
- One 16-bit Timer/Counter with separate prescaler, compare mode, and capture mode
- Real time counter with separate oscillator
- Six PWM channels
- 8-channel 10-bit ADC in TQFP and QFN/MLF package
- Temperature measurement
- Programmable serial USART
- Master/slave SPI serial interface
- Byte-oriented 2-wire serial interface (Phillips I2C compatible)
- Programmable watchdog timer with separate on-chip oscillator
- On-chip analog comparator
- Interrupt and wake-up on pin change
- Special microcontroller features
- Power-on reset and programmable brown-out detection
- Internal calibrated oscillator
- External and internal interrupt sources
- Six sleep modes: Idle, ADC noise reduction, power-save, power-down, standby, and extended standby