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Home > Embedded ICs > 8bit MCU > ATMEGA328P-MMHR
Microchip

ATMEGA328P-MMHR

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ATMEGA328P-MMHR Overview

The high-performance Microchip picoPower 8-bit AVR RISC-based microcontroller combines 32KB ISP flash memory with read-while-write capabilities, 1024B EEPROM, 2KB SRAM, 23 general purpose I/O lines, 32 general purpose working registers, three flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a byte-oriented 2-wire serial interface, SPI serial port, a 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 device operates between 1.8-5.5 volts.

By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.

For product comparison, please consider:ATmega328PB

ECAD Model

Footprint

ATMEGA328P-MMHR

Applications

AVR? ATmega

Specifications

  • Core Processor AVR

  • Speed 20MHz

  • Operating Temperature -40℃ ~ 85℃ (TA)

  • Program Memory Type FLASH

  • RAM Size 2K x 8

  • Number of I/O 23

  • Peripherals Brown-out Detect/Reset, POR, PWM, WDT

  • Mounting Type Surface Mount

  • Oscillator Type Internal

  • Supplier Device Package 28-VQFN (4x4)

  • EEPROM Size 1K x 8

  • Package / Case 28-VFQFN Exposed Pad

  • Core Size 8-Bit

  • Connectivity I2C, SPI, UART/USART

  • Program Memory Size 32KB (16K x 16)

  • Data Converters A/D 8x10b

  • Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V

Circuit Diagram

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