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