ATMEGA325A-MU
- Mfr.Part #
- ATMEGA325A-MU
- Manufacturer
- Microchip Technology
- Package / Case
- 64-VFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 32KB FLASH 64QFN
- Stock
- 3,558
- In Stock :
- 3,558
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Length :
- 9mm
- Terminal Form :
- NO LEAD
- Number of ADC Channels :
- 8 Channel
- Width :
- 9 mm
- Base Part Number :
- ATMEGA325A
- Program Memory Type :
- Flash
- Contact Plating :
- Tin
- Product Status :
- Active
- Mounting Type :
- Surface Mount
- Brand :
- Microchip Technology / Atmel
- RoHS Status :
- ROHS3 Compliant
- Number of I/O :
- 54
- Product :
- MCU
- Data Converters :
- A/D 8x10b
- JESD-30 Code :
- S-PQCC-N64
- Terminal Pitch :
- 0.5mm
- Frequency :
- 20MHz
- Height Seated (Max) :
- 1mm
- Packaging :
- Tray
- ROM (words) :
- 16384
- Has ADC :
- yes
- Watchdog Timer :
- yes
- Number of I/O Lines :
- 54
- Operating Temperature :
- -40°C~85°C TA
- Series :
- AVR® ATmega
- DAC Channels :
- No
- Supply Voltage-Max (Vsup) :
- 5.5V
- Product Category :
- 8-bit Microcontrollers - MCU
- Pbfree Code :
- yes
- Package :
- Tray
- RAM Size :
- 2K x 8
- Package / Case :
- 64-VFQFN Exposed Pad
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Memory Size :
- 32kB
- Qualification Status :
- Not Qualified
- Base Product Number :
- ATMEGA325
- Power Supplies :
- 2/5V
- Speed :
- 20MHz
- Surface Mount :
- yes
- Minimum Operating Temperature :
- - 40 C
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- EEPROM Size :
- 1K x 8
- Data Bus Width :
- 8B
- Published :
- 1997
- Radiation Hardening :
- No
- Supply Voltage-Min (Vsup) :
- 4.5V
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ
- Factory Lead Time :
- 7 Weeks
- Reach Compliance Code :
- Compliant
- Number of Terminals :
- 64
- CPU Family :
- AVR RISC
- Maximum Operating Temperature :
- + 85 C
- Bit Size :
- 8
- Supplier Device Package :
- 64-QFN (9x9)
- Number of I/Os :
- 54 I/O
- Mount :
- Surface Mount
- Manufacturer :
- Microchip
- Terminal Position :
- QUAD
- Mounting Style :
- SMD/SMT
- Core Processor :
- AVR
- DMA Channels :
- No
- Number of Terminations :
- 64
- Supply Voltage :
- 5V
- RoHS :
- Details
- Interface Type :
- SPI, USART
- Number of Timers/Counters :
- 3
- Connectivity :
- SPI, UART/USART, USI
- Temperature Grade :
- Industrial
- Oscillator Type :
- Internal
- Package Shape :
- Square
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Product Type :
- 8-bit Microcontrollers - MCU
- Seated Height-Max :
- 1 mm
- Program Memory Size :
- 32KB 16K x 16
- RAM (bytes) :
- 2048
- Core Size :
- 8-Bit
- Tradename :
- AVR
- Interface :
- SPI, UART, USART
- Data Converter :
- A/D 8x10b
- ROM Programmability :
- Flash
- PWM Channels :
- yes
- Number of Pins :
- 64
- Datasheets
- ATMEGA325A-MU
ATMEGA325A-MU Documents

Microcontrollers Microchip Technology ATMEGA325A-MU Overview
The Microcontrollers Microchip Technology ATMEGA325A-MU is a highly efficient, 8-bit MCU from Microchip Technology, designed to cater to advanced control systems. Boasting 32KB of flash memory housed in a compact 64QFN package, this microcontroller integrates robustness with flexibility, making it an ideal choice for developers looking to optimize their electronic designs. Its comprehensive feature set supports complex digital functionalities while maintaining low power consumption and enhanced processing capabilities. This makes the ATMEGA325A-MU particularly suitable for applications requiring intricate task management and operational efficiency.
ATMEGA325A-MU Features
The ATMEGA325A-MU microcontroller is packed with features that enhance its applicability in various high-demand environments. It includes 32KB of ISP flash memory, a 10-bit analog-to-digital converter, and multiple communication interfaces such as SPI, USART, and I2C. Additionally, it supports up to 1KB of EEPROM and 2KB SRAM, enabling substantial data storage and retrieval operations. Advanced power management options further ensure that the microcontroller operates effectively under varying electrical conditions.
ATMEGA325A-MU Applications
- Smart Home Devices: Utilized in the automation of lighting, heating, and security systems, where its ability to handle multiple inputs and outputs can be used to enhance system responsiveness and reliability.
- Consumer Electronics: Acts as the control hub in devices such as handheld gaming consoles, personal digital assistants, and other portable entertainment systems, providing efficient processing capabilities and connectivity options.
- Automotive Applications: Employed in car entertainment and information systems, where its robust interfacing features ensure smooth communication between various electronic components within the vehicle.
- Industrial Control Systems: Ideal for managing automated processes in manufacturing and production lines, thanks to its large memory and extensive input/output capabilities, which help in executing complex sequences and tasks.
- Healthcare Equipment: Integral in the operation of medical devices such as portable monitors and diagnostic tools, where precision and reliability are paramount.
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