ATMEGA328P-PU
- Mfr.Part #
- ATMEGA328P-PU
- Manufacturer
- Microchip Technology
- Package / Case
- 28-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC MCU 8BIT 32KB FLASH 28DIP
- Stock
- 8,012
- In Stock :
- 8,012
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Instruction Set Architecture :
- RISC
- EEPROM Size :
- 1K x 8
- Product :
- MCU
- Typical Operating Supply Voltage :
- 1.8 → 5.5 V
- Series :
- AVR® ATmega
- Package / Case :
- 28-DIP (0.300, 7.62mm)
- Speed :
- 20MHz
- Terminal Position :
- Dual
- Qualification Status :
- Not Qualified
- JESD-609 Code :
- e3
- Product Type :
- 8-bit Microcontrollers - MCU
- Package Shape :
- RECTANGULAR
- Product Status :
- Active
- DAC Channels :
- No
- Voltage - Supply :
- --
- Number of Pins :
- 28
- Supply Voltage :
- 5V
- Maximum Operating Temperature :
- +85 °C
- Manuf. code :
- MCP
- Number of Terminals :
- 28
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Package :
- Tube
- Data Bus Width :
- 8B
- Data Converters :
- A/D 6x10b
- Length :
- 37.4mm
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Interface :
- 2-Wire, I2C, SPI, UART, USART
- JESD-30 Code :
- R-PDIP-T28
- Interfaces :
- SPI/TWI/USART
- Controller Series :
- --
- Width :
- 6.76mm
- Minimum Operating Temperature :
- -40 °C
- Memory Size :
- 32kB
- Bit Size :
- 8
- Peak Reflow Temperature (Cel) :
- Not Applicable
- Number of I2C Channels :
- 1
- MSL :
- MSL 1 - Unlimited
- Watchdog Timer :
- yes
- RAM (bytes) :
- 2048
- Dimensions :
- 34.79 x 7.49 x 4.06mm
- RoHS :
- Details
- Type :
- ATMEGA328P-PU
- Number of Terminations :
- 28
- Radiation Hardening :
- No
- Has ADC :
- yes
- Casing :
- PDIP 28
- Mounting Type :
- Through Hole
- Interface Type :
- I2C, SPI, USART
- Mount :
- Through Hole
- Core Size :
- 8-Bit
- Terminal Form :
- THROUGH-HOLE
- Brand :
- Microchip Technology / Atmel
- Power Supplies :
- 2/5V
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Lead Free :
- Lead Free
- Supply Voltage-Min (Vsup) :
- 4.5V
- RoHS Status :
- ROHS3 Compliant
- Terminal Pitch :
- 2.54mm
- Number of I/O :
- 23
- Supply Current-Max :
- 9 mA
- Number of ADC Channels :
- 6
- Oscillator Type :
- Internal
- Connectivity :
- I2C, SPI, UART/USART
- Pin Count :
- 28
- PWM Channels :
- yes
- Temperature Grade :
- Industrial
- Data Converter :
- A/D 6x10b
- Product Category :
- 8-bit Microcontrollers - MCU
- Number of I/O Lines :
- 23
- Height :
- 3.28mm
- Seated Height-Max :
- 4.5724 mm
- Package Type :
- PDIP
- Applications :
- --
- Base Product Number :
- ATmega328
- Supply Voltage-Max (Vsup) :
- 5.5V
- Program Memory Size :
- 32KB 16K x 16
- Enclosure :
- PDIP 28
- Number of Timers/Counters :
- 3
- Max. operating temperature :
- +85°C
- Terminal Finish :
- Matte Tin (Sn)
- Qualification :
- -
- REACH SVHC :
- No SVHC
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Family Name :
- ATMEGA
- Pbfree Code :
- yes
- Published :
- 1997
- DMA Channels :
- No
- Surface Mount :
- No
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ
- RAM Size :
- 2K x 8
- Device Core :
- AVR
- Tradename :
- AVR
- Supplier Device Package :
- 28-PDIP
- Program Memory Type :
- Flash
- Core Processor :
- AVR
- Factory Lead Time :
- 8 Weeks
- Packaging :
- Tube
- ROM (words) :
- 16384
- Mounting Style :
- Through Hole
- ROM Programmability :
- Flash
- Manufacturer :
- Microchip Technology
- Frequency :
- 20MHz
- Base Part Number :
- ATmega328P
- Contact Plating :
- Tin
- Reach Compliance Code :
- Compliant
- CPU Family :
- AVR RISC
- Number of I/Os :
- 23 I/O
- Operating Temperature :
- -40°C~85°C TA
- Datasheets
- ATMEGA328P-PU

Microcontrollers Microchip Technology ATMEGA328P-PU Overview
The ATMEGA328P-PU from Microchip Technology is a high-performance microcontroller unit (MCU) renowned for its efficiency and versatility in various complex digital environments. As part of the widely acclaimed ATmega series, this 8-bit MCU integrates 32KB ISP flash memory, a rich set of peripherals, and low power consumption, making it an ideal choice for developers and engineers looking to push the boundaries of embedded system applications. The incorporation of advanced RISC architecture enables this microcontroller to execute powerful instructions in a single clock cycle, enhancing its performance while maintaining energy efficiency. The Microcontrollers Microchip Technology ATMEGA328P-PU is designed to support a broad array of applications, from consumer electronics to industrial automation systems, providing a reliable foundation for innovative projects and products.
ATMEGA328P-PU Features
- High-performance, low-power Atmel® AVR® 8-bit microprocessor
- Advanced RISC architecture with 131 powerful instructions
- 32KB ISP flash memory with read-while-write capabilities
- 1KB EEPROM, 2KB SRAM
- Up to 20MHz clock speed
- Multiple programmable serial USARTs
- 6-channel 10-bit A/D converter
- Data retention: 20 years at 85°C/100 years at 25°C
- Power-save modes for reduced power consumption
ATMEGA328P-PU Applications
- Consumer Electronics: Utilized in home automation devices and smart appliances, offering robust control and connectivity.
- Automotive: Employs sophisticated control systems for automotive electronics, enhancing vehicle performance and safety.
- Industrial Automation: Drives process control systems, ensuring high reliability and precision in demanding environments.
- Internet of Things (IoT): Forms the core of various IoT devices, enabling smart, connected solutions across multiple sectors.
- DIY Projects: Popular in the maker community for developing custom electronic projects and educational tools.
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