ATMEGA644P-20AUR
- Mfr.Part #
- ATMEGA644P-20AUR
- Manufacturer
- Atmel (Microchip Technology)
- Package / Case
- 44-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 64KB FLASH 44TQFP
- Stock
- 36,117
- In Stock :
- 36,117
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- Manufacturer :
- Atmel (Microchip Technology)
- Product Category :
- Microcontrollers
- Core Architecture :
- AVR
- Terminal Pitch :
- 0.8mm
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Maximum Operating Temperature :
- + 85 C
- Number of I/Os :
- 32 I/O
- Product :
- MCU
- DMA Channels :
- No
- RoHS :
- Details
- Min Operating Temperature :
- -40 °C
- Pbfree Code :
- yes
- Number of A/D Converters :
- 1
- Operating Temperature :
- -40°C~85°C TA
- Has ADC :
- yes
- Supply Current-Max :
- 9 mA
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Length :
- 10mm
- Width :
- 10 mm
- Manufacturer :
- Microchip
- Schedule B :
- 8542310000
- JESD-30 Code :
- S-PQFP-G44
- Data Bus Width :
- 8B
- Number of ADC Channels :
- 8 Channel
- Number of I/O Lines :
- 32
- Speed :
- 20MHz
- Frequency :
- 20MHz
- Max Operating Temperature :
- 85 °C
- DAC Channels :
- No
- Reach Compliance Code :
- Compliant
- ROM Programmability :
- Flash
- Base Product Number :
- ATMEGA644
- Seated Height-Max :
- 1.2 mm
- Radiation Hardening :
- No
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- MSL :
- MSL 3 - 168 hours
- Surface Mount :
- yes
- Supply Voltage-Min (Vsup) :
- 4.5V
- Bit Size :
- 8
- Number of Pins :
- 44
- Package Shape :
- Square
- Package / Case :
- 44-TQFP
- RAM Size :
- 4K x 8
- Packaging :
- Tape and Reel (TR)
- Oscillator Type :
- Internal
- Number of PWM Channels :
- 1
- Number of Terminals :
- 44
- Supply Voltage :
- 5V
- Product Category :
- 8-bit Microcontrollers - MCU
- RoHS Status :
- ROHS3 Compliant
- Minimum Operating Temperature :
- - 40 C
- Peak Reflow Temperature (Cel) :
- 260
- Temperature Grade :
- Industrial
- Published :
- 1997
- ROM (words) :
- 32768
- Device Core :
- AVR
- Terminal Position :
- QUAD
- Connectivity :
- I2C, SPI, UART/USART
- Interface Type :
- 2-Wire, SPI, USART
- EEPROM Size :
- 2K x 8
- Supplier Device Package :
- 44-TQFP (10x10)
- Interfaces :
- Serial I2C/SPI/USART
- JESD-609 Code :
- e3
- CPU Family :
- AVR RISC
- Data Converter :
- A/D 8x10b
- Brand :
- Microchip Technology / Atmel
- RAM (bytes) :
- 4096
- Mount :
- Surface Mount
- Interface :
- I2C, SPI, UART, USART
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Product Type :
- 8-bit Microcontrollers - MCU
- Qualification Status :
- Not Qualified
- Base Part Number :
- ATMEGA644P
- Core Processor :
- AVR
- Program Memory Size :
- 64KB 32K x 16
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Power Supplies :
- 3/5 V
- Number of I2C Channels :
- 1
- PWM Channels :
- yes
- Mounting Type :
- Surface Mount
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Series :
- AVR® ATmega
- Factory Lead Time :
- 7 Weeks
- Number of SPI Channels :
- 1
- Max Supply Voltage :
- 5.5 V
- Tradename :
- AVR
- Program Memory Type :
- Flash
- Core Size :
- 8-Bit
- Number of Timers/Counters :
- 3
- Additional Feature :
- OPERATES AT 2.7 V MIMIMUM SUPPLY AT 10 MHZ
- Qualification :
- -
- Lead Free :
- Lead Free
- Height :
- 1.2 mm
- Memory Size :
- 64KB
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Number of Terminations :
- 44
- Product Status :
- Active
- Number of I/O :
- 32
- Number of UART Channels :
- 1
- Min Supply Voltage :
- 1.8 V
- Mounting Style :
- SMD/SMT
- Supply Voltage-Max (Vsup) :
- 5.5V
- Terminal Form :
- Gull wing
- Data Converters :
- A/D 8x10b
- Height Seated (Max) :
- 1.2mm
- Memory Type :
- Flash
- Terminal Finish :
- Matte Tin (Sn)
- Datasheets
- ATMEGA644P-20AUR

Microcontrollers Atmel (Microchip Technology) ATMEGA644P-20AUR Overview
The ATMEGA644P-20AUR by Atmel (Microchip Technology) stands as a robust microcontroller unit (MCU) designed to offer a superior combination of power efficiency, processing capability, and versatility. This 8-bit MCU is tailored for sophisticated applications where space and power constraints are significant, yet high performance is required. Built on a high-performance AVR architecture, it is equipped with 64KB of in-system programmable flash, making it ideal for a range of industrial, consumer, and automotive applications. This Microcontrollers Atmel (Microchip Technology) ATMEGA644P-20AUR is particularly suitable for businesses seeking a reliable and scalable solution for volume production, providing both cost-effectiveness and enhanced operational efficiency.
ATMEGA644P-20AUR Features
The ATMEGA644P-20AUR includes several key features that make it highly adaptable and suitable for a broad array of complex electronic designs. It offers a clock speed of up to 20 MHz and supports a wide voltage range of 1.8V to 5.5V, accommodating diverse operational conditions. With 64KB of flash memory, 4KB of SRAM, and 2KB of EEPROM, it provides substantial room for application code and data storage. Additional features include 32 programmable I/O lines, 8-channel 10-bit A/D converter, multiple PWM channels, and a range of serial communication options including USART, SPI, and TWI (I2C), ensuring comprehensive connectivity and control capabilities.
ATMEGA644P-20AUR Applications
- Industrial Control Systems: Utilized for managing processes and automation tasks within industrial environments, enhancing operational efficiency and reliability through its robust I/O capabilities and interrupt system.
- Automotive Applications: Serves crucial roles in vehicle systems, particularly in dashboard controllers and diagnostic devices, where precision and response time are critical.
- Consumer Electronics: Powers a wide range of home appliances and gadgets, from smart home devices to portable electronics, offering both the necessary processing power and energy efficiency.
- Medical Devices: Deployed in medical monitoring systems where its low power consumption and high integration support compact, reliable, and long-lasting designs.
- Building Automation: Used in systems for controlling lighting, heating, and air conditioning, providing seamless and scalable automation solutions that contribute to energy savings and improved building management.
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