ATMEGA645A-MUR
- Mfr.Part #
- ATMEGA645A-MUR
- Manufacturer
- Microchip Technology
- Package / Case
- 64-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 64KB FLASH 64QFN
- Stock
- 669
- In Stock :
- 669
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- EEPROM Size :
- 2K x 8
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Terminal Pitch :
- 0.5mm
- Supply Voltage-Min (Vsup) :
- 4.5V
- RAM Size :
- 4K x 8
- Base Product Number :
- ATMEGA645
- Supply Voltage :
- 5V
- Product Status :
- Active
- Number of Terminations :
- 64
- Number of Timers/Counters :
- 3
- Data Converters :
- A/D 8x10b
- Brand :
- Microchip Technology
- Frequency :
- 16MHz
- Supply Voltage-Max (Vsup) :
- 5.5V
- Published :
- 1997
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ
- Connectivity :
- SPI, UART/USART, USI
- Mounting Style :
- SMD/SMT
- ROM Programmability :
- Flash
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Operating Temperature :
- -40°C~85°C TA
- Packaging :
- Tape and Reel (TR)
- Terminal Position :
- QUAD
- Product Type :
- 8-bit Microcontrollers - MCU
- Supplier Device Package :
- 64-QFN (9x9)
- Program Memory Type :
- Flash
- Tradename :
- AVR
- ROM (words) :
- 32768
- Core Processor :
- AVR
- Length :
- 9mm
- Series :
- AVR® ATmega
- JESD-30 Code :
- S-PQCC-N64
- Power Supplies :
- 2/5V
- Supply Current-Max :
- 12 mA
- Watchdog Timer :
- yes
- CPU Family :
- AVR RISC
- Product :
- MCU
- Mounting Type :
- Surface Mount
- Package / Case :
- 64-VFQFN Exposed Pad
- Height Seated (Max) :
- 1mm
- Factory Lead Time :
- 7 Weeks
- PWM Channels :
- yes
- RoHS :
- Details
- Data Converter :
- A/D 8x10b
- RoHS Status :
- ROHS3 Compliant
- Device Core :
- AVR
- Oscillator Type :
- Internal
- Base Part Number :
- ATMEGA645A
- Pbfree Code :
- yes
- Contact Plating :
- Tin
- Width :
- 9 mm
- Reach Compliance Code :
- Compliant
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Package Shape :
- Square
- Temperature Grade :
- Industrial
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Terminal Form :
- NO LEAD
- DMA Channels :
- No
- Memory Size :
- 64KB
- Seated Height-Max :
- 1 mm
- Interfaces :
- SPI/USART
- Bit Size :
- 8
- Number of I/O :
- 54
- Data Bus Width :
- 8B
- RAM (bytes) :
- 4096
- Mount :
- Surface Mount
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Surface Mount :
- yes
- Manufacturer :
- Microchip
- Number of I/O Lines :
- 54
- Speed :
- 16MHz
- DAC Channels :
- No
- Has ADC :
- yes
- Interface :
- SPI, UART, USART
- Number of Terminals :
- 64
- Program Memory Size :
- 64KB 32K x 16
- Number of Pins :
- 64
- Qualification Status :
- Not Qualified
- Core Size :
- 8-Bit
- Product Category :
- 8-bit Microcontrollers - MCU
- Datasheets
- ATMEGA645A-MUR
ATMEGA645A-MUR Documents

Microcontrollers Microchip Technology ATMEGA645A-MUR Overview
The ATMEGA645A-MUR from Microchip Technology is a high-performance microcontroller designed to meet the demanding requirements of embedded systems. Utilizing an advanced 8-bit AVR RISC architecture, it provides a perfect balance between power efficiency and processing capability. With 64KB of in-system programmable flash, this microcontroller is ideal for applications requiring frequent code updates or data storage. Its compact 64QFN package ensures a minimal footprint on system designs, making it a versatile choice for space-constrained applications.
ATMEGA645A-MUR Features
This microcontroller is packed with features that enhance its versatility and functionality in complex electronic systems. Key features include:
- 64KB of Flash memory, enabling robust applications without external memory components.
- High-performance 8-bit CPU with a maximum frequency of 16MHz, ensuring swift processing and response times.
- Low power consumption modes, which help extend battery life in portable devices.
- Extensive peripheral set, including USART, SPI, and TWI, for versatile connectivity options.
- Analog-to-digital converter (ADC) and digital-to-analog converter (DAC) for interfacing with analog sensors and outputs.
- Multiple timers and PWM channels for precise control over timing and power management tasks.
ATMEGA645A-MUR Applications
- Consumer Electronics: Utilized in devices like smart home controllers and gaming consoles, where its processing power and I/O capabilities enable sophisticated user interfaces and connectivity.
- Industrial Automation: Integrates into control systems for sensors and actuators, providing the computational power needed for real-time decision making and system monitoring.
- Automotive Applications: Serves in car entertainment and diagnostic systems, where reliability and capacity to handle complex software are essential.
- Healthcare Devices: Employed in medical monitoring equipment, where its precision and low power consumption are critical for device performance and patient safety.
- Utility Metering: Used in smart metering devices that require robust operation and connectivity to efficiently measure and report utility usage.
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