ATMEGA644-20PUMicrochip
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    • Manufacturer No：
      ATMEGA644-20PU
    • Manufacturer：
      Microchip
    • Category：
      Embedded - Microcontrollers
    • Datasheet：
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    • SKU：
      745943
    • Description：
      Microchip Technology ATMEGA644-20PU, 8bit AVR Microcontroller, 20MHz, 64 kB Flash, 40-Pin PDIP
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    • Manufacturer No：
      ATMEGA644-20PU
    • Manufacturer：
      Microchip
    • Category：
      Embedded - Microcontrollers
    • Datasheet：
      ATMEGA644-20PU
    • SKU：
      745943
    • Description：
      Microchip Technology ATMEGA644-20PU, 8bit AVR Microcontroller, 20MHz, 64 kB Flash, 40-Pin PDIP

    User Guide

    User Guide

    ATMEGA644-20PU Details

    Microchip Technology ATMEGA644-20PU, 8bit AVR Microcontroller, 20MHz, 64 kB Flash, 40-Pin PDIP

    ATMEGA644-20PU Specification Parameters

    • Part Status: Active
    • RoHS Status: ROHS3 Compliant
    • Mount: Through Hole
    • Pbfree Code: yes
    • Has ADC: YES
    • Moisture Sensitivity Level (MSL): Not Applicable
    • Contact Plating: Tin
    • Number of ADC Channels: 8
    • Supply Voltage: 5V
    • Packaging: Tube
    • Watchdog Timer: Yes
    • Terminal Pitch: 2.54mm
    • REACH SVHC: No SVHC
    • Number of Terminations: 40
    • Number of I/O: 32
    • Program Memory Type: FLASH
    • Supply Voltage-Min (Vsup): 4.5V
    • Frequency: 20MHz
    • Subcategory: Microcontrollers
    • Voltage - Supply (Vcc/Vdd): 2.7V~5.5V
    • Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
    • EEPROM Size: 2K x 8
    • Memory Size: 64kB
    • Core Processor: AVR
    • Supply Current-Max: 9mA
    • Height: 4.826mm
    • Package / Case: 40-DIP (0.600, 15.24mm)
    • Interface: 2-Wire, I2C, SPI, UART, USART
    • Base Part Number: ATMEGA644
    • DMA Channels: NO
    • Mounting Type: Through Hole
    • Number of I2C Channels: 1
    • Radiation Hardening: No
    • JESD-609 Code: e3
    • Lead Free: Lead Free
    • Bit Size: 8
    • Terminal Position: DUAL
    • Factory Lead Time: 12 Weeks
    • Number of Timers/Counters: 3
    • Number of PWM Channels: 6
    • Technology: CMOS
    • Number of Pins: 40
    • Supply Voltage-Max (Vsup): 5.5V
    • Operating Temperature: -40°C~85°C TA
    • Oscillator Type: Internal
    • Published: 1997
    • uPs/uCs/Peripheral ICs Type: MICROCONTROLLER, RISC
    • Core Size: 8-Bit
    • Data Bus Width: 8b
    • RAM Size: 4K x 8
    • Data Converter: A/D 8x10b
    • Connectivity: I2C, SPI, UART/USART
    • Access Time: 20 μs
    • Width: 13.97mm
    • Series: AVR? ATmega
    • Program Memory Size: 64KB 32K x 16
    • Length: 52.58mm
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    Microchip — Manufacturer Introduction

    Microchip Technology Inc. is a leading provider of microcontroller and analog semiconductors, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

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