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ATMEGA644P-20AU

Microchip Technology ATMEGA644P-20AU

Part Number:
ATMEGA644P-20AU
Manufacturer:
Microchip Technology
Ventron No:
3822839-ATMEGA644P-20AU
Description:
IC MCU 8BIT 64KB FLASH 44TQFP
ECAD Model:
Datasheet:
ATMEGA644P-20AU

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Specifications
Microchip Technology ATMEGA644P-20AU technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology ATMEGA644P-20AU.
  • Factory Lead Time
    7 Weeks
  • Contact Plating
    Tin
  • Mount
    Surface Mount
  • Mounting Type
    Surface Mount
  • Package / Case
    44-TQFP
  • Number of Pins
    44
  • Operating Temperature
    -40°C~85°C TA
  • Packaging
    Tray
  • Published
    1997
  • Series
    AVR® ATmega
  • JESD-609 Code
    e3
  • Pbfree Code
    yes
  • Part Status
    Active
  • Moisture Sensitivity Level (MSL)
    3 (168 Hours)
  • Number of Terminations
    44
  • Subcategory
    Microcontrollers
  • Technology
    CMOS
  • Terminal Position
    QUAD
  • Terminal Form
    GULL WING
  • Peak Reflow Temperature (Cel)
    260
  • Supply Voltage
    5V
  • Frequency
    20MHz
  • Reflow Temperature-Max (s)
    40
  • Base Part Number
    ATMEGA644P
  • Supply Voltage-Max (Vsup)
    5.5V
  • Supply Voltage-Min (Vsup)
    4.5V
  • Interface
    2-Wire, I2C, SPI, UART, USART
  • Memory Size
    64kB
  • Oscillator Type
    Internal
  • Number of I/O
    32
  • RAM Size
    4K x 8
  • Memory Type
    EEPROM, FLASH
  • Voltage - Supply (Vcc/Vdd)
    2.7V~5.5V
  • uPs/uCs/Peripheral ICs Type
    MICROCONTROLLER, RISC
  • Core Processor
    AVR
  • Peripherals
    Brown-out Detect/Reset, POR, PWM, WDT
  • Program Memory Type
    FLASH
  • Core Size
    8-Bit
  • Program Memory Size
    64KB 32K x 16
  • Connectivity
    I2C, SPI, UART/USART
  • Supply Current-Max
    9mA
  • Bit Size
    8
  • Data Converter
    A/D 8x10b
  • Watchdog Timer
    Yes
  • Access Time
    20 μs
  • Has ADC
    YES
  • DMA Channels
    NO
  • Data Bus Width
    8b
  • Number of Timers/Counters
    3
  • Address Bus Width
    8b
  • Density
    512 kb
  • EEPROM Size
    2K x 8
  • Number of ADC Channels
    8
  • Number of PWM Channels
    6
  • Number of I2C Channels
    1
  • Height
    1.05mm
  • Length
    10.1mm
  • Width
    10.1mm
  • Radiation Hardening
    No
  • REACH SVHC
    No SVHC
  • RoHS Status
    ROHS3 Compliant
  • Lead Free
    Lead Free
Description
ATMEGA644P-20AU Overview
Packaged in a 44-TQFP format, this MCU is available in a compact size. 32 I/Os are available. Using the Mounting Type Surface Mount, the MCU is mounted on PCB. As the name implies, this Microcontroller is based on the 8-Bit core. The type of its program memory is FLASH. -40°C~85°C TA is the temperature range at which this Microcontroller operates. An electrical component of this type belongs to the AVR® ATmega series. 64KB 32K x 16 is the size of its program memory. The AVR Core Processor powers the device and is one of its key features. This Microcontroller belongs to the MICROCONTROLLER, RISC uPs/uCs/peripheral ICs type. 44 is the number of terminations on the IC chip that are present. 8-bits are used in Microcontroller. Input voltage for the chip is 5V volts. Currently, MCU chip has NO DMA channels. The part has a memory size of 64kB. ATMEGA644P serves as a base part number to find alternatives. The efficiency of this device can be improved when operating at a frequency of 20MHz. On the chip, there are 44 pins that are accessible. Using the timer/counter system, it has 3 timers/counters. There is a EEPROM, FLASH memory feature on this equipment. The ADC channels on this device total 8 in number. A total of 6 PWM channels are used by the device. There are 1 I2C channels included in the part, which has been designed for the purpose.

ATMEGA644P-20AU Features
44-TQFP package
Mounting type of Surface Mount
Microcontrollers subcategory

ATMEGA644P-20AU Applications
There are a lot of Microchip Technology ATMEGA644P-20AU Microcontroller applications.

Hard drives
Paper shredders
Firewalls
Plant factories
Keyboards
Light sensing & controlling devices
Calculator
Oil and gas
Dialysis machines
Answering machines
ATMEGA644P-20AU More Descriptions
IC MCU 8BIT 64KB FLASH 44TQFP / MCU 8-bit AVR RISC 64KB Flash 3.3V/5V 44-Pin TQFP Tray
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44
ATmega Series 64 KB Flash 4 KB SRAM 20 MHz 8-Bit Microcontroller - TQFP-44
ATMEGA644P-20AU, 8bit AVR Microcontroller, 20MHz, 2 kB, 64 kB Flash, 44-Pin TQFP | Microchip Technology Inc. ATMEGA644P-20AU
Microcontroller Operating temperature: -40...85 °C Power supply: 2.7...5.5 V No. of I/Os: 32 No. of timers: 3 Extras: JTAG Package: TQFP-44 ADC resolution: 10 bit EEPROM: 2 KB Flash memory: 64 KB SRAM: 4 KB
MCU, 8BIT, ATMEGA, 20MHZ, TQFP-44; Product Range: AVR ATmega Family ATmega64 Series Microcontrollers; CPU Speed: 20MHz; Program Memory Size: 64KB; RAM Memory Size: 4KB; No. of Pins: 44Pins; MCU Case Style: TQFP; No. of I/O's: 3
A/D Inputs:8-Channel, 10-Bit ;CPU Speed:20 MIPS ;EEPROM Memory:2K Bytes ;Input Output:32 ;Interface:2-Wire/JTAG/SPI/USART ;Memory Type:Flash ;Number of Bits::8 ;Package Type:44-pin TQFP ;Programmable Memory:64K Bytes RAM Size:4K Bytes Speed:20 MHz Timers:
Product Comparison
The three parts on the right have similar specifications to ATMEGA644P-20AU.
  • Image
    Part Number
    Manufacturer
    Factory Lead Time
    Contact Plating
    Mount
    Mounting Type
    Package / Case
    Number of Pins
    Operating Temperature
    Packaging
    Published
    Series
    JESD-609 Code
    Pbfree Code
    Part Status
    Moisture Sensitivity Level (MSL)
    Number of Terminations
    Subcategory
    Technology
    Terminal Position
    Terminal Form
    Peak Reflow Temperature (Cel)
    Supply Voltage
    Frequency
    Reflow Temperature-Max (s)
    Base Part Number
    Supply Voltage-Max (Vsup)
    Supply Voltage-Min (Vsup)
    Interface
    Memory Size
    Oscillator Type
    Number of I/O
    RAM Size
    Memory Type
    Voltage - Supply (Vcc/Vdd)
    uPs/uCs/Peripheral ICs Type
    Core Processor
    Peripherals
    Program Memory Type
    Core Size
    Program Memory Size
    Connectivity
    Supply Current-Max
    Bit Size
    Data Converter
    Watchdog Timer
    Access Time
    Has ADC
    DMA Channels
    Data Bus Width
    Number of Timers/Counters
    Address Bus Width
    Density
    EEPROM Size
    Number of ADC Channels
    Number of PWM Channels
    Number of I2C Channels
    Height
    Length
    Width
    Radiation Hardening
    REACH SVHC
    RoHS Status
    Lead Free
    Surface Mount
    Additional Feature
    Terminal Pitch
    Reach Compliance Code
    JESD-30 Code
    Speed
    Clock Frequency
    PWM Channels
    DAC Channels
    ROM (words)
    On Chip Program ROM Width
    Boundary Scan
    Low Power Mode
    Format
    Integrated Cache
    RAM (words)
    RAM (bytes)
    Number of Timers
    Number of External Interrupts
    On Chip Data RAM Width
    Height Seated (Max)
    Supplier Device Package
    View Compare
  • ATMEGA644P-20AU
    ATMEGA644P-20AU
    Microchip Technology
    7 Weeks
    Tin
    Surface Mount
    Surface Mount
    44-TQFP
    44
    -40°C~85°C TA
    Tray
    1997
    AVR® ATmega
    e3
    yes
    Active
    3 (168 Hours)
    44
    Microcontrollers
    CMOS
    QUAD
    GULL WING
    260
    5V
    20MHz
    40
    ATMEGA644P
    5.5V
    4.5V
    2-Wire, I2C, SPI, UART, USART
    64kB
    Internal
    32
    4K x 8
    EEPROM, FLASH
    2.7V~5.5V
    MICROCONTROLLER, RISC
    AVR
    Brown-out Detect/Reset, POR, PWM, WDT
    FLASH
    8-Bit
    64KB 32K x 16
    I2C, SPI, UART/USART
    9mA
    8
    A/D 8x10b
    Yes
    20 μs
    YES
    NO
    8b
    3
    8b
    512 kb
    2K x 8
    8
    6
    1
    1.05mm
    10.1mm
    10.1mm
    No
    No SVHC
    ROHS3 Compliant
    Lead Free
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
  • ATMEGA328PB-MBTVAO
    ATMEGA328PB-MBTVAO
    Microchip Technology
    -
    -
    -
    Surface Mount
    32-VFQFN Exposed Pad
    -
    -40°C~105°C TA
    Tape & Reel (TR)
    -
    Automotive, AEC-Q100, AVR® ATmega
    -
    -
    Active
    1 (Unlimited)
    32
    -
    CMOS
    QUAD
    NO LEAD
    -
    5V
    -
    -
    -
    5.5V
    4.5V
    -
    -
    Internal
    27
    2K x 8
    -
    1.8V~5.5V
    MICROCONTROLLER, RISC
    AVR
    Brown-out Detect/Reset, POR, PWM, WDT
    FLASH
    8-Bit
    32KB 16K x 16
    I2C, SPI, UART/USART
    8mA
    8
    A/D 8x10b
    -
    -
    YES
    NO
    -
    -
    -
    -
    1K x 8
    -
    -
    -
    -
    5mm
    5mm
    -
    -
    -
    -
    YES
    ALSO OPERATES 2.7V MINIMUM SUPPLY AT 8 MHZ
    0.5mm
    compliant
    S-XQCC-N32
    20MHz
    16MHz
    YES
    NO
    16384
    16
    NO
    YES
    FIXED-POINT
    NO
    2048
    2048
    5
    2
    8
    0.9mm
    -
    ATMEGA644P-20AU vs ATMEGA328PB-MBTVAO
  • ATMEGA2560-16AUA0
    ATMEGA2560-16AUA0
    Microchip Technology
    -
    -
    -
    Surface Mount
    100-TQFP
    -
    -40°C~85°C TA
    -
    -
    AVR® ATmega
    -
    -
    Obsolete
    3 (168 Hours)
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Internal
    86
    8K x 8
    -
    4.5V~5.5V
    -
    AVR
    Brown-out Detect/Reset, POR, PWM, WDT
    FLASH
    8-Bit
    256KB 128K x 16
    EBI/EMI, I2C, SPI, UART/USART
    -
    -
    A/D 16x10b
    -
    -
    -
    -
    -
    -
    -
    -
    4K x 8
    -
    -
    -
    -
    -
    -
    -
    -
    ROHS3 Compliant
    -
    -
    -
    -
    -
    -
    16MHz
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    100-TQFP (14x14)
    ATMEGA644P-20AU vs ATMEGA2560-16AUA0
  • ATMEGA128L-8AJ
    ATMEGA128L-8AJ
    Microchip Technology
    -
    -
    -
    Surface Mount
    64-TQFP
    -
    -40°C~85°C TA
    Tray
    1997
    AVR® ATmega
    -
    -
    Obsolete
    3 (168 Hours)
    -
    -
    -
    -
    -
    -
    -
    -
    -
    ATMEGA128
    -
    -
    -
    -
    Internal
    53
    4K x 8
    -
    2.7V~5.5V
    -
    AVR
    Brown-out Detect/Reset, POR, PWM, WDT
    FLASH
    8-Bit
    128KB 64K x 16
    EBI/EMI, I2C, SPI, UART/USART
    -
    -
    A/D 8x10b
    -
    -
    -
    -
    -
    -
    -
    -
    4K x 8
    -
    -
    -
    -
    -
    -
    -
    -
    ROHS3 Compliant
    -
    -
    -
    -
    -
    -
    8MHz
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    64-TQFP (14x14)
    ATMEGA644P-20AU vs ATMEGA128L-8AJ
Certification
  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS
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