ATMEGA645P-AU
- Mfr.Part #
- ATMEGA645P-AU
- Manufacturer
- Atmel (Microchip Technology)
- Package / Case
- 64-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 64KB FLASH 64TQFP
- Stock
- 14,918
- In Stock :
- 14,918
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- Manufacturer :
- Atmel (Microchip Technology)
- Product Category :
- Microcontrollers
- Power Supplies :
- 2/5V
- Base Part Number :
- ATMEGA645P
- Series :
- AVR® ATmega
- Program Memory Size :
- 64KB 32K x 16
- Supply Current-Max :
- 6.2 mA
- DAC Channels :
- No
- Number of ADC Channels :
- 8
- Data Converter :
- A/D 8x10b
- Contact Plating :
- Tin
- Minimum Operating Temperature :
- - 40 C
- Number of Terminations :
- 64
- Package Shape :
- Square
- Program Memory Type :
- Flash
- Surface Mount :
- yes
- Product Status :
- Active
- Interface Type :
- SPI, USART
- Bit Size :
- 8
- Number of PWM Channels :
- 4
- Interface :
- SPI, UART, USART
- Mount :
- Surface Mount
- Core Processor :
- AVR
- Base Product Number :
- ATMEGA645
- Terminal Form :
- Gull wing
- Manufacturer :
- Microchip
- Factory Lead Time :
- 4 Weeks
- Qualification Status :
- Not Qualified
- Number of I/Os :
- 54 I/O
- Published :
- 1997
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Supplier Device Package :
- 64-TQFP (14x14)
- Length :
- 14.1mm
- CPU Family :
- AVR RISC
- Packaging :
- Tray
- Package :
- Tray
- Temperature Grade :
- Industrial
- Core Size :
- 8-Bit
- RAM Size :
- 4K x 8
- Radiation Hardening :
- No
- RAM (bytes) :
- 4096
- Speed :
- 16MHz
- Mounting Type :
- Surface Mount
- Terminal Position :
- QUAD
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Brand :
- Microchip Technology / Atmel
- Terminal Finish :
- Matte Tin (Sn)
- Memory Size :
- 64KB
- Supply Voltage-Max (Vsup) :
- 5.5V
- REACH SVHC :
- No SVHC
- Package / Case :
- 64-TQFP
- Product Category :
- 8-bit Microcontrollers - MCU
- Oscillator Type :
- Internal
- Terminal Pitch :
- 0.8 mm
- JESD-609 Code :
- e3
- Reach Compliance Code :
- Compliant
- DMA Channels :
- No
- Data Converters :
- A/D 8x10b
- Seated Height-Max :
- 1.2 mm
- EEPROM Size :
- 2K x 8
- Number of Pins :
- 64
- Data Bus Width :
- 8B
- Product :
- MCU
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Height :
- 1.05mm
- RoHS Status :
- ROHS3 Compliant
- Operating Temperature :
- -40°C~85°C TA
- ROM Programmability :
- Flash
- Has ADC :
- yes
- RoHS :
- Details
- Supply Voltage :
- 5V
- Number of I2C Channels :
- 1
- Mounting Style :
- SMD/SMT
- Pbfree Code :
- yes
- Number of Timers/Counters :
- 3
- Connectivity :
- SPI, UART/USART, USI
- Maximum Operating Temperature :
- + 85 C
- Number of I/O Lines :
- 54
- Peak Reflow Temperature (Cel) :
- 260
- Watchdog Timer :
- yes
- Number of Terminals :
- 64
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ
- ROM (words) :
- 32768
- JESD-30 Code :
- S-PQFP-G64
- Product Type :
- 8-bit Microcontrollers - MCU
- Frequency :
- 16MHz
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Tradename :
- AVR
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Width :
- 14.1mm
- Number of I/O :
- 54
- PWM Channels :
- yes
- Datasheets
- ATMEGA645P-AU
ATMEGA645P-AU Documents

Microcontrollers Atmel (Microchip Technology) ATMEGA645P-AU Overview
The ATMEGA645P-AU from Atmel (Microchip Technology) is a high-performance microcontroller designed to meet the rigorous demands of modern embedded systems. As part of the renowned Microcontrollers series, this component features a robust 8-bit AVR RISC-based processor, which offers a perfect blend of power efficiency and processing capability. With 64KB of in-system programmable flash and a versatile 64TQFP package, it is tailor-made for applications requiring significant program memory and minimal footprint. This product stands out in its category for its adaptability and reliability, making it an ideal choice for developers and engineers looking to push the boundaries of technology in their projects.
ATMEGA645P-AU Features
The ATMEGA645P-AU microcontroller is equipped with an array of features that enhance its functionality and ease of use in complex electronic environments. Key features include 64KB of flash memory, a wide operating voltage range of 1.8V to 5.5V, and advanced RISC architecture enabling powerful yet energy-efficient performance. Additional features such as real-time counter, multiple PWM channels, and a variety of communication interfaces (including SPI, I2C, and USART) make this microcontroller highly versatile for various digital and analog integrations.
ATMEGA645P-AU Applications
- Consumer Electronics: Utilized in devices such as smart home appliances, where its capability to handle multiple tasks simultaneously enhances user experience and device functionality.
- Automotive Systems: Plays a critical role in automotive control systems, where reliability and real-time response are paramount. The ATMEGA645P-AU's robust design ensures optimal performance in harsh vehicular environments.
- Industrial Automation: Ideal for industrial control systems, the microcontroller's high memory capacity and flexible I/O options allow for sophisticated process control and monitoring, improving operational efficiency and safety.
- Medical Devices: Applied in medical monitoring systems, where its high precision and low power consumption ensure reliable operation for critical healthcare equipment.
- Wearable Technology: Perfect for wearable devices due to its compact size and power efficiency, enabling longer battery life and continuous operation without sacrificing performance.
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