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ATMEGA324A-MCH - Microchip

Description: 8-bit Microcontrollers - MCU AVR 32KB FLSH 1KB EE 2KB SRAM-20MHz, IND/002

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ATMEGA324A-MCH - Microchip PCB footprint - Other - Other - 44MC_S3B
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ATMEGA324A-MCH - Microchip  - 3D model - Other - 44MC_S3B
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ATMEGA324A-MCH Details

  • Manufacturer Part Number:

    ATMEGA324A-MCH

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-44

  • Pin Count:

    44

  • Manufacturer Package Code:

    VQFN-44

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.31.00.01

  • Factory Lead Time:

    7 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    14

  • Has ADC:

    YES

  • Additional Feature:

    IT ALSO OPERATES FROM 1.8V TO 5.5 V AT 4 MHZ

  • Bit Size:

    8

  • Boundary Scan:

    YES

  • 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-PQCC-N44

  • JESD-609 Code:

    e4

  • Length:

    7 mm

  • Low Power Mode:

    YES

  • Number of External Interrupts:

    3

  • Number of I/O Lines:

    32

  • Number of Serial I/Os:

    2

  • Number of Terminals:

    44

  • Number of Timers:

    3

  • On Chip Data RAM Width:

    8

  • On Chip Program ROM Width:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • PWM Channels:

    YES

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC44,.28SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Qualification Status:

    Not Qualified

  • RAM (bytes):

    2048

  • RAM (words):

    2048

  • ROM (words):

    32768

  • ROM Programmability:

    FLASH

  • Seated Height-Max:

    1 mm

  • Speed:

    20 MHz

  • Supply Current-Max:

    12 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:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

  • uPs/uCs/Peripheral ICs Type:

    MICROCONTROLLER, RISC

ATMEGA324A-MCH Frequently Asked Questions (FAQs)

  • The ATMEGA324A-MCH can operate at a maximum clock frequency of 20 MHz, but it can also be overclocked to 24 MHz with some limitations.
  • The BOD can be configured using the BODLEVEL fuse bits in the FUSE BYTE register. The BOD can be set to detect voltage levels between 1.8V and 4.3V in 0.1V increments.
  • Yes, the ATMEGA324A-MCH can operate with a 3.3V power supply, but the maximum clock frequency may need to be reduced to 16 MHz or lower to ensure reliable operation.
  • The internal oscillator can be enabled by setting the CKSEL fuses to '11' and the SUT fuses to '10'. The oscillator frequency can be calibrated using the OSCCAL register.
  • The maximum current that can be sourced or sunk by the I/O pins of the ATMEGA324A-MCH is 40 mA, but this should be limited to 20 mA per pin to ensure reliable operation.

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ATMEGA324A-MCH 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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Part Image ATMEGA324A-MCH Atmel Corporation

RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQCC44