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atmel avr atmega328p 20pu arduino
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"The Atmel ATmega328 is a 32K 8-bit microcontroller based on the AVR architecture Many instructions are executed in a single clock cycle providing a throughput of almost 20 MIPS at 20MHz The ATMEGA328-PU comes in an PDIP 28 pin package and is suitable for use on our 28 pin AVR Development Board

Features include:

High Performance‚ Low Power Design

8-Bit Microcontroller Atmel® AVR® advanced RISC architecture

131 Instructions most of which are executed in a single clock cycle

Up to 20 MIPS throughput at 20 MHz

32 x 8 working registers

2 cycle multiplier

Memory Includes

32KB of of programmable FLASH



10‚000 Write and Erase Cycles for Flash and 100‚000 for EEPROM

Data retention for 20 years at 85 degree and 100 years at 25 degree

Optional boot loader with lock bits

In System Programming (ISP) by via boot loader

True Read-While-Write operation

Programming lock available for software security

Features Include

2 x 8-bit Timers/Counters each with independent prescaler and compare modes

A single 16-bit Timer/Counter with an idependent prescaler‚ compare and capture modes

Real time counter with independent oscillator

10 bit‚ 6 channel analog to digital Converter

6 pulse width modulation channels

Internal temperature sensor

Serial USART Programmable

Master/Slave SPI Serial Interface - Philips I2C compatible

Programmable watchdog timer with independent internal oscillator

Internal analog comparator

Interrupt and wake up on pin change

Additional Features Features

Internal calibrated oscillator

Power on reset and programmable brown out detection

External and internal interrupts

6 sleep modes including idle‚ ADC noise reduction‚ power save‚ power down‚ standby‚ and extended standby

I/O and Package

23 programmable I/O lines

28 pin PDIP package

Operating voltage:

1 8 - 5 5V

Operating temperature range:

40 degree to 8 degree

Speed Grades:

0-4 MHz at 1 8-5 5V

0-10 MHz at 2 7-5 5V

0-20 MHz at 4 5-5 5V

Low power consumption mode at 1 8V‚ 1 MHz and 25 degree:

Active Mode: 0 3 mA

Power-down Mode: 0 1 μA

Power-save Mode: 0 8 μA Including 32 kHz RT

Flash: 32 KBytes

EEPROM: 1 KBytes

SRAM: 2 KBytes

Max I/O Pins: 23

Frequency Max: 20 MHz

VCC: 1 8-5 5

10-bit A/D Channels: 6

Analog Comparator: Yes

16-bit Timers: 1

8-bit Timer: 2

Brown Out Detector: Yes

Ext Interrupts: 2

Hardware Multiplier: Yes

Interrupts: 26

ISP: Yes

On Chip Oscillator: Yes

PWM Channels: 6

RTC: Yes

Self Program Memory: Yes

SPI: 1

TWI: Yes


Watchdog: Yes

Pacakage: Lead Free PDIP 28


Post By: Naseerkhan

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