ATMEGA328P Microcontroller IC

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Estimated Delivery Date : 31 - 04 January, 2025.

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The ATMEGA328P ( P stands for Pico power ) is the low power modern version CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. 8-bit means the processor uses an 8-bit register, which can handle 2^8 or 256 data values, which seems low for today€š¬€ž¢s standards. However, the higher the bit count and processing speed, the more power consumption the processor uses, hence, why microcontrollers are a favorable choice for low-power solutions. ATMEGA328P consists of 32 KB ISP flash memory with read-while-write capabilities, 2KB SRAM(Static RAM), 1 KB of EEPROM, 23 general-purpose I/O pins, a 16MHz clock, 32 general purpose working registers, three flexible timer/counters with compare modes (two 8 bits and one 16 bit), internal and external interrupts, serial programmable UART, a byte-oriented I2C (inter-integrated circuit) interface pins, SPI serial port, 6-channel 10-bit Analog to Digital converter, programmable watchdog timer with internal oscillator, and five software selectable power saving modes. The device operates between a voltage range of 1.8-5.5 volts.

This AVR controller also used in Arduino boards. By executing powerful instructions in a single clock cycle, the ATmega328P achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

The AVR core combines a rich instruction set with 32 general purpose working registers. All the 32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be accessed in one single instruction executed in one clock cycle. The resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers. The ATmega328P-PU AVR is supported with a full suite of program and system development tools including C Compilers, Macro Assemblers, Program Debugger/Simulators, In-Circuit Emulators, and Evaluation kits.

Features

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 boot loader with lock bits
In System Programming (ISP) by via boot loader
True Read-While-Write operation
Programming lock available for software security

I/O and Package

23 programmable I/O lines
28 pin PDIP package

Operating voltage:1.8 - 5.5V

Operating temperature range:40°C to 85°C

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)

Specification

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 €š¬‚¬œ MCU
Mounting Type	Through Hole
Product Series	ATmega328P
Maximum Clock Frequency	20 MHz
Data Bus Width	8 bit
Interface Type	I2C, SPI, USART
Program Memory Size	32kB
Data RAM size and Type	2kB SRAM
Data ROM Size and Type	1024 B EEPROM
Operating Temperature Range	-24 to 84°C
Dimensions	34.8 x 7.5 x 4.57mm

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Standard shipping: Rs 80 /- The order gets delivered within 4-6 working days. (6-7 days in case of the battery as it travels through the surface).
Free shipping is applicable to the purchase of Rs.999 and above. The order gets delivered within 4-6 working days. (8-10 days in case of the battery as it travels through the surface)

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