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What is ATMEGA328A?

This electronic component, produced by the manufacturer "ATMEL Corporation", performs the same function as "8-bit Microcontroller SUMMARY".


ATMEGA328A Datasheet PDF - ATMEL Corporation

Part Number ATMEGA328A
Description 8-bit Microcontroller SUMMARY
Manufacturers ATMEL Corporation 
Logo ATMEL Corporation Logo 


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ATmega48A/PA/88A/PA/168A/PA/328/P
ATMEL 8-BIT MICROCONTROLLER WITH 4/8/16/32KBYTES
IN-SYSTEM PROGRAMMABLE FLASH
Features
DATASHEET
High Performance, Low Power Atmel®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 85C/100 years at 25C(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
Atmel® 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 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
Atmel-8271I-AVR- ATmega-Datasheet_10/2014

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ATMEGA328A equivalent
1.1.7
AVCC
AVCC is the supply voltage pin for the A/D Converter, PC3:0, and ADC7:6. It should be externally connected to
VCC, even if the ADC is not used. If the ADC is used, it should be connected to VCC through a low-pass filter.
Note that PC6...4 use digital supply voltage, VCC.
1.1.8 AREF
AREF is the analog reference pin for the A/D Converter.
1.1.9
ADC7:6 (TQFP and QFN/MLF Package Only)
In the TQFP and QFN/MLF package, ADC7:6 serve as analog inputs to the A/D converter. These pins are
powered from the analog supply and serve as 10-bit ADC channels.
ATmega48A/PA/88A/PA/168A/PA/328/P [DATASHEET]
Atmel-8271I-AVR- ATmega-Datasheet_10/2014
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1. Datasheet - 8-bit Microcontroller SUMMARY

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Featured Datasheets

Part NumberDescriptionMFRS
ATmega328The function is 8-bit AVR Microcontrollers. ATMEL CorporationATMEL Corporation
ATMEGA328AThe function is 8-bit Microcontroller SUMMARY. ATMEL CorporationATMEL Corporation
ATmega328PThe function is 8-bit AVR Microcontrollers. ATMEL CorporationATMEL Corporation

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