ATMEGA328PAU 8 Channel 8 Bit Microcontrollers MCU 32KB In System Flash 20MHz 1.8V-5.5V

ATMEGA328PAU 8 Channel 8-bit Microcontrollers MCU 32KB In-system Flash 20MHz 1.8V-5.5V

Introduction

The ATmega48A/PA/88A/PA/168A/PA/328/P is a low power, CMOS 8-bit microcontrollers 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.

Features

 High Performance, Low Power AVR® 8-Bit Microcontroller Family

 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 20MHz

̶ On-chip 2-cycle Multiplier

 High Endurance Non-volatile Memory Segments

̶ 4/8/16/32KBytes of In-System Self-Programmable Flash program memory

̶ 256/512/512/1KBytes EEPROM

̶ 512/1K/1K/2KBytes Internal SRAM

̶ 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

 QTouch® library support

̶ Capacitive touch buttons, sliders and wheels

̶ QTouch and QMatrix™ acquisition

̶ Up to 64 sense channels

 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 VQFN package

 Temperature Measurement ̶ 6-channel 10-bit ADC in SPDIP 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 SPDIP, 32-lead TQFP, 28-pad VQFN and 32-pad VQFN

 Operating Voltage: ̶ 1.8 - 5.5V

 Temperature Range:

̶ -40°C to 85°C  Speed Grade:

̶ 0 - 4MHz@1.8 - 5.5V, 0 - 10MHz@2.7 - 5.5.V, 0 - 20MHz @ 4.5 - 5.5V

 Power Consumption at 1MHz, 1.8V, 25°C ̶ Active Mode: 0.2mA ̶ Power-down Mode: 0.1µA

• Power-save Mode: 0.75µA (Including 32kHz RTC)

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