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ATMEGA168P-20AU

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ATMEGA168P-20AU Overview

AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 16KB (8K x 16) FLASH 32-TQFP (7x7)

ECAD Model

Footprint

ATMEGA168P-20AU

Features

  • 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 20 MIPS Throughput at 20 MHz
  • – On-chip 2-cycle Multiplier
  • High Endurance Non-volatile Memory Segments
  • – 4/8/16/32K Bytes of In-System Self-Programmable Flash progam memory (ATmega48P/88P/168P/328P)
  • – 256/512/512/1K Bytes EEPROM (ATmega48P/88P/168P/328P)
  • – 512/1K/1K/2K Bytes Internal SRAM (ATmega48P/88P/168P/328P)
  • – Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
  • – Data retention: 20 years at 85°C/100 years at 25°C(1)
  • – 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
  • – 6-channel 10-bit ADC in PDIP Package
  • 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
  • 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
  • I/O and Packages
  • – 23 Programmable I/O Lines
  • – 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF
  • Operating Voltage:
  • – 1.8 - 5.5V for ATmega48P/88P/168PV
  • – 2.7 - 5.5V for ATmega48P/88P/168P
  • – 1.8 - 5.5V for ATmega328P
  • Temperature Range:
  • – -40°C to 85°C
  • Speed Grade:
  • – ATmega48P/88P/168PV: 0 - 4 MHz @ 1.8 - 5.5V, 0 - 10 MHz @ 2.7 - 5.5V
  • – ATmega48P/88P/168P: 0 - 10 MHz @ 2.7 - 5.5V, 0 - 20 MHz @ 4.5 - 5.5V
  • – ATmega328P: 0 - 4 MHz @ 1.8 - 5.5V, 0 - 10 MHz @ 2.7 - 5.5V, 0 - 20 MHz @ 4.5 - 5.5V
  • Low Power Consumption at 1 MHz, 1.8V, 25°C for ATmega48P/88P/168P:
  • – Active Mode: 0.3 mA
  • – Power-down Mode: 0.1 µA
  • – Power-save Mode: 0.8 µA (Including 32 kHz RTC)

Applications

AVR? ATmega

Specifications

  • Core Processor AVR

  • DigiKey Programmable Not Verified

  • Speed 20MHz

  • Operating Temperature -40℃ ~ 85℃ (TA)

  • Program Memory Type FLASH

  • RAM Size 1K x 8

  • Number of I/O 23

  • Peripherals Brown-out Detect/Reset, POR, PWM, WDT

  • Mounting Type Surface Mount

  • Product Status Active

  • Oscillator Type Internal

  • Supplier Device Package 32-TQFP (7x7)

  • EEPROM Size 512 x 8

  • Series AVR® ATmega

  • Package / Case 32-TQFP

  • Core Size 8-Bit

  • Mfr Microchip Technology

  • Connectivity I2C, SPI, UART/USART

  • Program Memory Size 16KB (8K x 16)

  • Data Converters A/D 8x10b

  • Package Tray

  • Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V

  • Base Product Number ATMEGA168

Circuit Diagram

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