| Allicdata Part #: | ATMEGA644-20PU-ND |
| Manufacturer Part#: |
ATMEGA644-20PU |
| Price: | $ 3.75 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Microchip Technology |
| Short Description: | IC MCU 8BIT 64KB FLASH 40DIP |
| More Detail: | AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 64K... |
| DataSheet: |  ATMEGA644-20PU Datasheet/PDF |
| Quantity: | 249 |
| 1 +: | $ 3.41460 |
| 25 +: | $ 3.12782 |
| 100 +: | $ 2.82920 |
Specifications
| Program Memory Type: | FLASH |
| Base Part Number: | ATMEGA644 |
| Supplier Device Package: | 40-PDIP |
| Package / Case: | 40-DIP (0.600", 15.24mm) |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Oscillator Type: | Internal |
| Data Converters: | A/D 8x10b |
| Voltage - Supply (Vcc/Vdd): | 2.7 V ~ 5.5 V |
| RAM Size: | 4K x 8 |
| EEPROM Size: | 2K x 8 |
| Series: | AVR® ATmega |
| Program Memory Size: | 64KB (32K x 16) |
| Number of I/O: | 32 |
| Peripherals: | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity: | I²C, SPI, UART/USART |
| Speed: | 20MHz |
| Core Size: | 8-Bit |
| Core Processor: | AVR |
| Part Status: | Active |
| Packaging: | Tube |
Description
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The ATMEGA644-20PU is a low-power microcontroller designed for a wide range of applications in the embedded systems field. It is based on Atmel’s AVR architecture, which is a modified Harvard architecture combining both RISC and CISC principles. It is capable of running at speeds of up to 20Mhz and can address up to 64Kb of program memory space. It also features several peripherals, including an analog-to-digital converter with 10-bit resolution, a three-channel 8-bit timer, an interrupt controller, and a 10-channel USART.The ATMEGA644-20PU is frequently used in embedded systems applications. These applications can vary greatly, but typically involve controlling sensors, driving actuators, and handling inputs and outputs. It is often used to control motor speed and position, manage inputs and outputs, or handle communication protocols in embedded systems. Examples of embedded functions that the ATMEGA644-20PU can control include motor speed control, servo motor control, remote control, and systems that use RS-232/UDP/TCP/IP.The key feature of the ATMEGA644-20PU is its flexible working principle. It has three different operating modes, namely active mode, idle mode, and sleep mode. The operating mode is set by the user through the MCU control registers. In active mode, the device is operating at its full speed, allowing for quick computation and response times. In idle mode, the clock frequency is reduced to save power, but the device is still able to respond to interrupts. Finally, in sleep mode, the clock frequency is reduced further and all unused peripherals are automatically disabled, allowing for ultra-low power consumption.The ATMEGA644-20PU is a powerful, low-cost microcontroller that can be used in a variety of embedded systems applications. Its flexible working principle, combined with its ability to address up to 64Kb of program memory and operate at speeds of up to 20Mhz, makes it an ideal choice for a wide range of tasks. If you need an embedded microcontroller that is affordable, reliable, and easy to use, the ATMEGA644-20PU is worth considering.The specific data is subject to PDF, and the above content is for reference
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