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Microchip ATMEGA644-20AU
Advanced 8-bit AVR RISC Technology
Brands: Microchip
Mfr.Part #: ATMEGA644-20AU
Datasheet: ATMEGA644-20AU Datasheet (PDF)
Package/Case: TQFP-44
Product Type: Embedded Processors & Controllers
RoHS Status:
Stock Condition: 2694 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomATMEGA644-20AU General Description
The ATMEGA644-20AU is a high-performance, low-power 8-bit microcontroller from Atmel, featuring 64KB of Flash memory, 4KB of SRAM, and 2KB of EEPROM. It operates at a maximum frequency of 20MHz and has 32 general-purpose I/O pins for connecting to external devices.The ATMEGA644-20AU is designed for a wide range of applications, including industrial control systems, embedded systems, and consumer electronics. It offers a rich set of peripherals, including USART, SPI, I2C, and ADC, as well as timers/counters for precise timing and control.This microcontroller also features a JTAG interface for debugging and programming, making it easy to develop and test applications. It supports low-power modes for energy-efficient operation, making it ideal for battery-powered devices.The ATMEGA644-20AU can be programmed using standard C compilers and development tools, allowing developers to quickly create complex applications. It is widely used in various projects due to its high performance, low power consumption, and rich set of features.
Features
- 8-bit AVR microcontroller
- 64KB flash memory
- 4KB SRAM
- 2KB EEPROM
- 32 general purpose I/O pins
- Up to 20MHz clock frequency
- Multiple communication interfaces
- Analog to digital converter
Application
- Embedded systems
- Automotive electronics
- Consumer electronics
- Industrial automation
- Medical devices
- Robotics
- Sensor networks
- Home automation
- Security systems
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Category | 8-bit Microcontrollers - MCU | RoHS | Details |
| Core | AVR | Program Memory Size | 64 kB |
| Data RAM Size | 4 kB | Package / Case | TQFP-44 |
| Maximum Clock Frequency | 20 MHz | ADC Resolution | 10 bit |
| Number of I/Os | 32 I/O | Supply Voltage - Min | 2.7 V |
| Supply Voltage - Max | 5.5 V | Mounting Style | SMD/SMT |
| Data Bus Width | 8 bit | Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 85 C | Series | ATmega644 |
| Analog Supply Voltage | 1.8 V to 5.5 V | Brand | Microchip Technology |
| Data RAM Type | SRAM | Data ROM Size | 2 kB |
| Data ROM Type | EEPROM | Height | 1 mm |
| I/O Voltage | 1.8 V to 5.5 V | Interface Type | I2C, SPI, USART |
| Length | 10 mm | Moisture Sensitive | Yes |
| Number of ADC Channels | 8 Channel | Number of Timers/Counters | 3 Timer |
| Processor Series | megaAVR | Product | MCUs |
| Product Type | 8-bit Microcontrollers - MCU | Program Memory Type | Flash |
| Factory Pack Quantity | 160 | Subcategory | Microcontrollers - MCU |
| Tradename | AVR | Watchdog Timers | Watchdog Timer |
| Width | 10 mm |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
 |
DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
 |
Wire Transfer | charge US$30.00 banking fee. |
 |
Paypal | charge 4.0% service fee. |
 |
Credit Card | charge 3.5% service fee. |
 |
Western Union | charge US.00 banking fee. |
 |
Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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Step2 :Vacuum packaging
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Step3 :Anti-static bag
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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Part points
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The ATMEGA644-20AU is a microcontroller chip developed by Atmel. It is part of the AVR family and has a clock frequency of 20MHz. It has 64 kilobytes of flash memory, 4 kilobytes of SRAM, and 2 kilobytes of EEPROM. The chip supports a wide range of peripheral devices and is commonly used in various applications such as robotics, industrial control systems, and home automation.
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Equivalent
Some equivalent products of the ATMEGA644-20AU chip include the ATMEGA1284P-PU and ATMEGA32U4-AU microcontrollers. -
Features
The ATMEGA644-20AU is a microcontroller with 64KB of flash memory, 4KB of SRAM, and 2KB of EEPROM. It operates at a frequency of 20MHz and has 32 general-purpose I/O pins. It supports various communication interfaces including USART, SPI, and I2C. It also has multiple timers/counters, analog-to-digital converters, and PWM channels. -
Pinout
The ATMEGA644-20AU is a microcontroller with a pin count of 44. It is commonly used in embedded systems and offers features such as analog-to-digital conversion, PWM channels, SPI, UART, and more. It operates at a speed of 20MHz and can handle various tasks in electronic projects. -
Manufacturer
Microchip Technology Inc. is the manufacturer of the ATMEGA644-20AU. It is an American company specializing in microcontroller and microprocessor products. -
Application Field
The ATMEGA644-20AU microcontroller is commonly used in a variety of applications including industrial automation, consumer electronics, home automation, and automotive systems. It is also employed in embedded control systems, Internet of Things (IoT) devices, and robotics, due to its high performance, low power consumption, and rich peripheral set. -
Package
The ATMEGA644-20AU chip comes in a TQFP-44 package, with a body size of 10mm x 10mm and a lead pitch of 0.8mm.
Datasheet PDF
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