8-bit AVR microcontroller featuring 32KB FLASH memory and 2KB RAM. Operates at up to 20MHz with an 8-bit data bus. Offers 23 programmable I/O pins, 6 PWM channels, and 3 timers/counters. Supports I2C, SPI, and USART interfaces. Packaged in a 32-pin TQFP for surface mounting, with a wide operating temperature range of -40°C to 85°C.
Frequency20MHz
PackageA
MountingSurface Mount
Quick Jump:
Chat with Datasheet
Sponsored by
Sign in to ask questions about the Microchip ATMEGA328P-AU datasheet using AI. Get instant answers about specifications, features, and technical details, ideal for finding information in larger documents.
Sign In to ChatWidest selection of semiconductors and electronic components in stock and ready to ship ™
Technical Specifications
Microchip ATMEGA328P-AU technical specifications.
General
| Package/Case | A |
| Core Architecture | AVR |
| Data Bus Width | 8b |
| Frequency | 20MHz |
| Height | 1mm |
| Interface | I2C, SPI, USART |
| Lead Free | Lead Free |
| Length | 7mm |
| Max Frequency | 20MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 32KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.8V |
| Mount | Surface Mount |
| Number of A/D Converters | 1 |
| Number of ADC Channels | 8 |
| Number of I/Os | 23 |
| Number of I2C Channels | 1 |
| Number of Programmable I/O | 23 |
| Number of PWM Channels | 6 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 3 |
| Oscillator Type | Internal |
| Package Quantity | 250 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Radiation Hardening | No |
| RAM Size | 2KB |
| Reach SVHC Compliant | Yes |
| RoHS Compliant | Yes |
| Series | ATmega328P |
| Watchdog Timer | Yes |
| Weight | 0.002469oz |
| Width | 7mm |
Compliance
| RoHS | Compliant |
Datasheet
Microchip ATMEGA328P-AU Datasheet
Download the complete datasheet for Microchip ATMEGA328P-AU to view detailed technical specifications.
The embedded preview will load automatically when this section scrolls into view.
Product Images
