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Microchip ATmega168PA-AU SMD IC

Microchip ATmega168PA-AU SMD IC

SKU SKU Code: # MM130

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The ATmega168PA is a low power, CMOS 8-bit microcontroller based on the AVR® enhanced RISC architecture. By executing instructions in a single clock cycle, the devices achieve CPU throughput approaching one million instructions per second (MIPS) per megahertz, allowing the system designer to optimize power consumption versus processing speed. The high-performance Microchip Pico Power® 8-bit AVR® RISC-based microcontroller combines 16 KB ISP flash memory with read-while-write capabilities, 512B EEPROM, 1 KB SRAM, 23 general-purpose I/O lines, 32 general purpose working registers, three flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a byte-oriented Two-Wire serial interface, SPI serial port, 6-channel 10-bit A/D converter (8-channels in TQFP and QFN/MLF packages), programmable watchdog timer with internal oscillator, and five software selectable power saving modes. The device operates between 1.8-5.5 volts. By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching one MIPS per MHz, balancing power consumption and processing speed.



  •  131 powerful instructions – most single clock cycle execution
  •  32*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

  •  4/8/16K bytes of in-system self-programmable flash program memory
  •  256/512/512 bytes EEPROM
  •  512/1K/1K bytes internal SRAM
  •  Write/erase cycles: 10,000 flash/100,000 EEPROM
  •  Optional boot code section with independent lock bits
    •  In-system programming by an 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 mod
  •  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
    •  Temperature measurement
  •  Programmable Serial USART
  •  Master/slave SPI serial interface
  •  Byte-oriented 2-wire serial interface (Philips I2C compatible)
  •  Programmable watchdog timer with separate on-chip oscillator
  •  On-chip analog comparator
  •  Interrupt and wake up on pin change
Product Series ATmega168PA-AU
Brand Microchip
Package SMD
Program Memory Type
Product Type 8-bit Microcontroller
Mounting SMD/SMT
Maximum Clock Frequency 20 MHz
Pin Count 32
Capture/Compare/PWM (CCP)
Max 8 Bit Digital Timers
Number of ADCs 0
ADC Channels 8
Data EEPROM (bytes)
Max ADC Resolution (bits)
Number of Comparators