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ATMEGA48A-MU - Microchip

Description: ATMEGA48A-MU, 8 bit AVR Microcontroller 20MHz 256 B, 4 kB Flash, 512 B RAM, I2C 32-Pin MLF

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PCB Footprints
ATMEGA48A-MU - Microchip PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 32M1-A-1
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3D Models
ATMEGA48A-MU - Microchip  - 3D model - Quad Flat No-Lead - 32M1-A-1
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ATMEGA48A-MU Details

  • Manufacturer Part Number:

    ATMEGA48A-MU

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    VQFN-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    VQFN-32

  • Country Of Origin:

    Mainland China

  • HTS Code:

    8542.31.00.15

  • Factory Lead Time:

    8 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    14

  • Has ADC:

    YES

  • Additional Feature:

    IT ALSO OPERATES 1.8V AT 4 MHZ

  • 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-PQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Low Power Mode:

    YES

  • Moisture Sensitivity Level:

    1

  • Number of External Interrupts:

    2

  • Number of I/O Lines:

    23

  • Number of Serial I/Os:

    1

  • Number of Terminals:

    32

  • 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:

    LCC32,.2SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • RAM (bytes):

    512

  • RAM (words):

    512

  • ROM (words):

    4096

  • 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:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    40

  • Width:

    5 mm

  • uPs/uCs/Peripheral ICs Type:

    MICROCONTROLLER, RISC

ATMEGA48A-MU Frequently Asked Questions (FAQs)

  • The maximum clock frequency for the ATMEGA48A-MU is 20 MHz.
  • The internal oscillator on the ATMEGA48A-MU can be configured using the CKSEL fuses. The CKSEL0-CKSEL3 fuses determine the oscillator frequency, and the SUT0-SUT1 fuses determine the start-up time.
  • The maximum current consumption of the ATMEGA48A-MU is 15 mA at 5V and 20 MHz.
  • The ADC on the ATMEGA48A-MU can be used by setting the ADMUX register to select the input channel, enabling the ADC by setting the ADEN bit in the ADCSRA register, and then starting the conversion by setting the ADSC bit in the ADCSRA register.
  • Yes, the ATMEGA48A-MU can operate with a power supply voltage as low as 2.7V, making it compatible with 3.3V systems.

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ATMEGA48A-MU 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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