Microchip Technology ATMEGA328P-AUR Microcontrollers
IC MCU 8BIT 32KB FLASH 32TQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA328P-AUR
Base Model
Detailed Description
IC MCU 8BIT 32KB FLASH 32TQFP
Package
32-TQFP
Lifecycle Status
Active
Datasheet
ATMEGA328P-AUR Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATMEGA328P-AUR Microcontrollers technical specifications.
General
RAM Size
2K x 8
RoHS
Yes
Number of Pins
32
Package / Case
32-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
23
Alternate Parts Comparison (ATMEGA328P-AUR vs ATMEGA328P-PU DIP28 vs ATMEGA328P-ANR vs ATMEGA328P-MNR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 32-TQFP | 28-DIP | 32-TQFP | 32-VFQFN Exposed Pad |
| Mounting Type | Surface Mount | Through Hole | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 |
| Connectivity | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART |
| Data Converters | A/D 8x10b | A/D 6x10b | A/D 8x10b | A/D 8x10b |
| EEPROM Size | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 |
| Oscillator Type | Internal | External, Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
NXP
IC MCU 8BIT 32KB FLASH 32LQFP
NXP
IC MCU 8BIT 32KB FLASH 44QFP
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.