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ATMEGA3209-AU - Microchip

Description: 8-bit Microcontrollers - MCU 20MHz, 32KB, TQFP

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ATMEGA3209-AU - Microchip PCB footprint - Quad Flat Packages - Quad Flat Packages - 48-Lead Thin Quad Flatpack (PT) - 7x7x1.0 mm Body [TQFP]*
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ATMEGA3209-AU - Microchip  - 3D model - Quad Flat Packages - 48-Lead Thin Quad Flatpack (PT) - 7x7x1.0 mm Body [TQFP]*
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ATMEGA3209-AU Details

  • Manufacturer Part Number:

    ATMEGA3209-AU

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TQFP-48

  • Pin Count:

    48

  • Manufacturer Package Code:

    TQFP-48

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.31.00.01

  • Factory Lead Time:

    7 Weeks

  • Date Of Intro:

    2019-08-07

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    18

  • Has ADC:

    YES

  • Additional Feature:

    ALSO OPERATES AT 1.8V MINIMUM SUPPLY AT 5MHZ

  • Bit Size:

    8

  • Boundary Scan:

    NO

  • CPU Family:

    AVR RISC

  • Clock Frequency-Max:

    20 MHz

  • DAC Channels:

    NO

  • DMA Channels:

    NO

  • Format:

    FIXED POINT

  • Integrated Cache:

    NO

  • JESD-30 Code:

    S-PQFP-G48

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Low Power Mode:

    YES

  • Moisture Sensitivity Level:

    1

  • Number of External Interrupts:

    10

  • Number of I/O Lines:

    41

  • Number of Serial I/Os:

    4

  • Number of Terminals:

    48

  • Number of Timers:

    5

  • On Chip Data RAM Width:

    8

  • On Chip Program ROM Width:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • PWM Channels:

    NO

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TFQFP

  • Package Equivalence Code:

    TQFP48,.35SQ

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • RAM (bytes):

    4096

  • RAM (words):

    2048

  • ROM (words):

    32768

  • ROM Programmability:

    FLASH

  • Seated Height-Max:

    1.2 mm

  • Speed:

    20 MHz

  • Supply Current-Max:

    200 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

  • uPs/uCs/Peripheral ICs Type:

    MICROCONTROLLER, RISC

ATMEGA3209-AU Frequently Asked Questions (FAQs)

  • The ATMEGA3209-AU can operate at a maximum clock frequency of 20 MHz, but it can also be overclocked to 24 MHz with some limitations. However, it's recommended to follow the guidelines in the datasheet for clock frequency selection to ensure reliable operation.
  • The BOD in the ATMEGA3209-AU can be configured using the BODLEVEL fuse bits in the FUSEBYTE register. The BOD can be set to trigger at different voltage levels, such as 1.8V, 2.2V, 2.7V, or 4.3V, depending on the application requirements.
  • Yes, the ATMEGA3209-AU can be used in a 5V system, but it's essential to ensure that the input voltage does not exceed the maximum rating of 5.5V. Additionally, the device's internal voltage regulator should be bypassed, and an external voltage regulator should be used to regulate the voltage to the recommended operating range of 4.5V to 5.5V.
  • The internal oscillator in the ATMEGA3209-AU can be enabled by setting the CKSEL fuses to select the internal RC oscillator as the clock source. The oscillator frequency can be calibrated using the OSCCAL register to achieve the desired frequency.
  • The maximum current that can be sourced or sunk by the I/O pins of the ATMEGA3209-AU is 40mA per pin, with a total current limit of 200mA for all I/O pins combined. However, it's recommended to limit the current to 20mA per pin to ensure reliable operation and prevent overheating.

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ATMEGA3209-AU Overview

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About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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