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Atmega 328P AVR Microcontroller IC

The high performance Microchip 8-bit AVR RISC-based microcontroller unites 32KB ISP flash memory with read-while-write capabilities, 1KB EEPROM, 2KB SRAM, 23 general purpose I/O lines, 32 general purpose working registers, three adjustable timer/counters with compare modes, internal and external interrupts, serial programmable USART, a byte-oriented 2-wire sequential 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 system operates between 1.8-5.5 volts.By executing powerful instructions in one clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power intake and processing speed.

Quantity:      

Available Stock : 9996 Unit

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Product Overview

The high performance Microchip 8-bit AVR RISC-based microcontroller unites 32KB ISP flash memory with read-while-write capabilities, 1KB EEPROM, 2KB SRAM, 23 general purpose I/O lines, 32 general purpose working registers, three adjustable timer/counters with compare modes, internal and external interrupts, serial programmable USART, a byte-oriented 2-wire sequential 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 system operates between 1.8-5.5 volts.By executing powerful instructions in one clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power intake and processing speed.

Specifications

Package/Case:
PDIP-28
Minimum Supply Voltage (V):
2.7
Maximum Supply Voltage (V):
5.5
No. of I/Os:
23
No. of Timers/Counters:
3 Timer
Product Type:
8-bit Microcontrollers – MCU
Mounting Type
Through Hole
Product Series
ATmega328P
Maximum Clock Frequency (MHz)
20
Data Bus Width
8 bits
Interface Type
I2C, SPI, USART
Program Memory Size (kB)
32
Data RAM size and Type
2kB SRAM
Data ROM Size and Type
1024 B EEPROM
Operating Temperature Range (°C)
-24 to 84
Dimensions (mm) L x W x H
34.8 x 7.5 x 4.57

Features

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 programmable FLASH.
• 1KB of EEPROM.
• 2KB SRAM.
• 10,000 Write and Erase Cycles for Flash and 100,000 for EEPROM.
• Data retention for 20 years at 85°C and 100 years at 25°C.
• Optional bootloader with lock bits.
• In System Programming (ISP) by via bootloader.
• True Read-While-Write operation.
• Programming lock available for software security.

I/O and Package:

• 23 programmable I/O lines.
• 28 pin PDIP package.

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°C:

• Active Mode: 0.3 mA.
• Power-down Mode: 0.1 μA.
• Power-save Mode: 0.8 μA (Including 32 kHz RTC).


Pin Diagram



Pin Description


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