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ATMEGA324P-20MU

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ATMEGA324P-20MU Overview

AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 32KB (16K x 16) FLASH 44-VQFN (7x7)

ECAD Model

Footprint

ATMEGA324P-20MU

Features

  • High-performance, Low-power AVR® 8-bit Microcontroller
  • 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 20 MHz
  • – On-chip 2-cycle Multiplier
  • Nonvolatile Program and Data Memories
  • – 16/32/64K Bytes of In-System Self-Programmable Flash
  • Endurance: 10,000 Write/Erase Cycles
  • – Optional Boot Code Section with Independent Lock Bits
  • In-System Programming by On-chip Boot Program
  • True Read-While-Write Operation
  • – 512B/1K/2K Bytes EEPROM
  • Endurance: 100,000 Write/Erase Cycles
  • – 1/2/4K Bytes Internal SRAM
  • – Programming Lock for Software Security
  • JTAG (IEEE std. 1149.1 Compliant) Interface
  • – Boundary-scan Capabilities According to the JTAG Standard
  • – Extensive On-chip Debug Support
  • – Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
  • Peripheral Features
  • – Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
  • – One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture
  • – Real Time Counter with Separate Oscillator
  • – Six PWM Channels
  • – 8-channel, 10-bit ADC
  • Differential mode with selectable gain at 1x, 10x or 200x
  • – Byte-oriented Two-wire Serial Interface
  • – Two Programmable Serial USART
  • – Master/Slave SPI Serial Interface
  • – Programmable Watchdog Timer with Separate On-chip Oscillator
  • – On-chip Analog Comparator
  • – Interrupt and Wake-up on Pin Change
  • Special Microcontroller Features
  • – Power-on Reset and Programmable Brown-out Detection
  • – Internal Calibrated RC Oscillator
  • – External and Internal Interrupt Sources
  • – Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby
  • and Extended Standby
  • I/O and Packages
  • – 32 Programmable I/O Lines
  • – 40-pin PDIP, 44-lead TQFP, and 44-pad QFN/MLF
  • Operating Voltages
  • – 1.8 - 5.5V for ATmega164P/324P/644PV
  • – 2.7 - 5.5V for ATmega164P/324P/644P
  • Speed Grades
  • – ATmega164P/324P/644PV: 0 - 4MHz @ 1.8 - 5.5V, 0 - 10MHz @ 2.7 - 5.5V
  • – ATmega164P/324P/644P: 0 - 10MHz @ 2.7 - 5.5V, 0 - 20MHz @ 4.5 - 5.5V
  • Power Consumption at 1 MHz, 1.8V, 25°C for ATmega164P/324P/644P
  • – Active: 338/398/TBD µA
  • – Power-down Mode:0.035 /0.027/TBD µA
  • – Power-save Mode:0.5 /0.5/TBD µA (Including 32 kHz RTC)

Applications

AVR? ATmega

Specifications

  • Core Processor AVR

  • DigiKey Programmable Not Verified

  • Speed 20MHz

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

  • Program Memory Type FLASH

  • RAM Size 2K x 8

  • Number of I/O 32

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

  • Mounting Type Surface Mount

  • Product Status Active

  • Oscillator Type Internal

  • Supplier Device Package 44-VQFN (7x7)

  • EEPROM Size 1K x 8

  • Series AVR® ATmega

  • Package / Case 44-VFQFN Exposed Pad

  • Core Size 8-Bit

  • Mfr Microchip Technology

  • Connectivity I2C, SPI, UART/USART

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

  • Data Converters A/D 8x10b

  • Package Tray

  • Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V

  • Base Product Number ATMEGA324

Circuit Diagram

ATMEGA324P-20MU

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