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