ATMEGA644P-20AUR
- Mfr.Part #
- ATMEGA644P-20AUR
- Manufacturer
- Microchip Technology
- Package / Case
- 44-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 64KB FLASH 44TQFP
- Stock
- 5,617
- In Stock :
- 5,617
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Base Product Number :
- ATMEGA644
- Program Memory Size :
- 64KB 32K x 16
- Brand :
- Microchip Technology / Atmel
- Packaging :
- Tape and Reel (TR)
- Speed :
- 20MHz
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Mount :
- Surface Mount
- Factory Lead Time :
- 7 Weeks
- Terminal Position :
- QUAD
- Number of I/O Lines :
- 32
- Number of Pins :
- 44
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Product Category :
- 8-bit Microcontrollers - MCU
- Tradename :
- AVR
- Supply Voltage-Max (Vsup) :
- 5.5V
- Number of I2C Channels :
- 1
- Min Operating Temperature :
- -40 °C
- DAC Channels :
- No
- Mounting Type :
- Surface Mount
- Operating Temperature :
- -40°C~85°C TA
- Qualification :
- -
- Product Status :
- Active
- Supply Voltage :
- 5V
- Bit Size :
- 8
- Data Bus Width :
- 8B
- EEPROM Size :
- 2K x 8
- Number of Terminations :
- 44
- RoHS :
- Details
- PWM Channels :
- yes
- RAM (bytes) :
- 4096
- Seated Height-Max :
- 1.2 mm
- Number of ADC Channels :
- 8 Channel
- Oscillator Type :
- Internal
- RAM Size :
- 4K x 8
- Peak Reflow Temperature (Cel) :
- 260
- Program Memory Type :
- Flash
- DMA Channels :
- No
- Supply Voltage-Min (Vsup) :
- 4.5V
- Number of I/O :
- 32
- Series :
- AVR® ATmega
- Number of Timers/Counters :
- 3
- Interface Type :
- 2-Wire, SPI, USART
- Package Shape :
- Square
- Length :
- 10mm
- Qualification Status :
- Not Qualified
- Package / Case :
- 44-TQFP
- Power Supplies :
- 3/5 V
- Product Type :
- 8-bit Microcontrollers - MCU
- Width :
- 10 mm
- Number of PWM Channels :
- 1
- Product :
- MCU
- Base Part Number :
- ATMEGA644P
- Interface :
- I2C, SPI, UART, USART
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Memory Type :
- Flash
- Number of A/D Converters :
- 1
- ROM (words) :
- 32768
- Maximum Operating Temperature :
- + 85 C
- Height :
- 1.2 mm
- Core Architecture :
- AVR
- Frequency :
- 20MHz
- JESD-30 Code :
- S-PQFP-G44
- Terminal Form :
- Gull wing
- Radiation Hardening :
- No
- Max Operating Temperature :
- 85 °C
- Supply Current-Max :
- 9 mA
- CPU Family :
- AVR RISC
- Supplier Device Package :
- 44-TQFP (10x10)
- Height Seated (Max) :
- 1.2mm
- Reach Compliance Code :
- Compliant
- Number of SPI Channels :
- 1
- JESD-609 Code :
- e3
- Temperature Grade :
- Industrial
- Data Converters :
- A/D 8x10b
- Terminal Pitch :
- 0.8mm
- Mounting Style :
- SMD/SMT
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Lead Free :
- Lead Free
- RoHS Status :
- ROHS3 Compliant
- Number of I/Os :
- 32 I/O
- Memory Size :
- 64KB
- Manufacturer :
- Microchip
- Number of Terminals :
- 44
- Pbfree Code :
- yes
- Connectivity :
- I2C, SPI, UART/USART
- Minimum Operating Temperature :
- - 40 C
- Published :
- 1997
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Schedule B :
- 8542310000
- Min Supply Voltage :
- 1.8 V
- Core Processor :
- AVR
- ROM Programmability :
- Flash
- Data Converter :
- A/D 8x10b
- Core Size :
- 8-Bit
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Interfaces :
- Serial I2C/SPI/USART
- MSL :
- MSL 3 - 168 hours
- Max Supply Voltage :
- 5.5 V
- Surface Mount :
- yes
- Device Core :
- AVR
- Number of UART Channels :
- 1
- Terminal Finish :
- Matte Tin (Sn)
- Additional Feature :
- OPERATES AT 2.7 V MIMIMUM SUPPLY AT 10 MHZ
- Has ADC :
- yes
- Datasheets
- ATMEGA644P-20AUR

Microcontrollers Microchip Technology ATMEGA644P-20AUR Overview
Designed for advanced control systems, the Microcontrollers Microchip Technology ATMEGA644P-20AUR stands out with its robust functionality tailored for demanding applications. This microcontroller integrates a high-performance 8-bit AVR RISC-based CPU, making it ideal for developers looking to push the boundaries of innovation in embedded design. With 64KB of in-system programmable flash and operating ranges from 1.8V to 5.5V, it ensures compatibility with a wide array of electronic components and systems. Its versatility is enhanced by its package in a compact 44-TQFP, offering ample GPIOs for interfacing with other peripherals in complex designs.
ATMEGA644P-20AUR Features
This microcontroller boasts multiple features including 2KB SRAM, 2KB EEPROM, and a clock speed of up to 20MHz, which provide substantial room for application development without external components. Additionally, it supports advanced interfaces such as SPI, I2C, and USART, which are crucial for IoT devices and complex communications setups. The ATMEGA644P-20AUR also features multiple PWM channels and 32 programmable I/O lines, allowing for precise control over attached hardware.
ATMEGA644P-20AUR Applications
- Automotive Systems: Utilized in engine management systems and infotainment systems, where its robust I/O capabilities and high tolerance for environmental changes ensure reliable performance.
- Industrial Automation: Powers control systems in manufacturing robots, offering precise handling through its extensive GPIO suite and real-time capability.
- Smart Home Devices: Integrates into home automation products such as smart thermostats or lighting systems, leveraging its low power consumption and high integration capability.
- Consumer Electronics: Used in handheld devices, gaming consoles, and other portable electronics, where its efficiency and compact size are highly valued.
- Internet of Things (IoT): Ideal for IoT devices requiring efficient power management, secure data handling, and connectivity options like SPI and I2C for sensor integration and data communication.
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