What is the Additional Feature ?

Name: ATMEGA644P-20AU
Brand: WEC
SKU: ATMEGA644P-20AU
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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WEC ATMEGA644P-20AU

Part No.:: ATMEGA644P-20AU

Manufacturer:: WEC

Package:: 44-TQFP

Datasheet:: ATMEGA644P-20AU.pdf

Description:: IC MCU 8BIT 64KB FLASH 44TQFP

In Stock:: 2900

Quantity:: Add To Cart

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ATMEGA644P-20AU Specifications

Package/Case:
44-TQFP
Packaging:
Bulk,Tray
Series:
AVR® ATmega
RoHS:
RoHS
Speed:
20MHz
RAM Size:
4K x 8
Core Size:
8-Bit
EEPROM Size:
2K x 8
Part Status:
Active
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity:
I²C, SPI, UART/USART
Mounting Type:
Surface Mount
Number of I/O:
32
Core Processor:
AVR
Data Converters:
A/D 8x10b
Oscillator Type:
Internal
Program Memory Size:
64KB (32K x 16)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 85°C (TA)

ATMEGA644P-20AU this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ATMEGA644P-20AU price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for ATMEGA644P-20AU to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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ATMEGA644P-20AU information

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ATMEGA644P-20AU Typical application Circuitry

ATMEGA644P-20AU

To connect the ATMEGA644P-20AU microcontroller to a circuit, follow these steps:

1. Power Supply: Provide a stable power supply within the specified voltage range to the ATMEGA644P-20AU. It typically functions between 1.8 and 5.5 volts. Connect the VCC and GND pins of the microcontroller to the appropriate power and ground rails.

2. Clock Source: The ATMEGA644P-20AU requires a clock source to operate. Either an external clock generator or a crystal oscillator can be used. Connect the microcontroller's XTAL1 and XTAL2 pins to the external clock source or crystal. The specific clock frequency and configuration depend on your application requirements and can be set in software.

3. Reset: Connect the RESET pin of the microcontroller to a reset circuit or a push-button switch for resetting the microcontroller when required.

4. Programming and Debugging: Connect the programming and debugging pins (MISS, MOST, SICK, RESET) to a programming/debugging interface, such as an ISP programmer or JTAG debugger. This allows you to program and debug the microcontroller using appropriate software tools.

5. Input/Output: Depending on your application, connect the required to be input/output pins of the microcontroller to external components or peripherals. These pins can be configured as GPIS, Parts, Spin, I2Cs, etc., based on your design needs. Consult the data sheet for the specific pin assignments and functionalities.

6. Peripherals: If you are using any specific peripherals, such as sensors, displays, or communication modules, follow their respective data sheets or application notes to connect them to the appropriate pins of the microcontroller.

7. Grounding: Connect all the ground pins (GND) of the microcontroller and other components to a common ground plane to ensure proper grounding and minimize noise interference.

8. Decoupling Capacitors: Place decoupling capacitors near the power supply pins (VCC and ACC) of the microcontroller to filter out noise and stabilize the power supply. The data sheet provides recommendations on the value and placement of decoupling capacitors.

Make sure to refer to the ATMEGA644P-20AU data sheet, complete data sheet, and any relevant application notes for detailed information on pin configurations, electrical characteristics, recommended circuitry, and programming details.

ATMEGA644P-20AU FAQ

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3. Are the ATMEGA644P-20AU price and inventory displayed accurate?

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6. What is the process for return or replacement of ATMEGA644P-20AU?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the ATMEGA644P-20AU we delivered, we will accept the replacement or return of the ATMEGA644P-20AU only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of ATMEGA644P-20AU.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations