Microchip Technology ATMEGA32U2-MUR Microcontrollers
IC MCU 8BIT 32KB FLASH 32VQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA32U2-MUR
Base Model
Detailed Description
IC MCU 8BIT 32KB FLASH 32VQFN
Package
32-VFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
ATMEGA32U2-MUR Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATMEGA32U2-MUR Microcontrollers technical specifications.
General
RAM Size
1K x 8
RoHS
Yes
Package / Case
32-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
22
Speed
16MHz
Alternate Parts Comparison (ATMEGA32U2-MUR vs ATMEGA32U4-MU vs ATMEGA32U4-AUR vs ATMEGA32U4RC-MUR)
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-VFQFN Exposed Pad | 44-VFQFN Exposed Pad | 44-TQFP | 44-VFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 1K x 8 | 2.5 kB | 2.5K x 8 | 2.5K x 8 |
| RoHS | Yes | Compliant | Yes | Yes |
| Lifecycle Status | Active | Production | Active | Active |
| Connectivity | SPI, UART/USART, USB | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB |
| EEPROM Size | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 |
| Number of I/O | 22 | 26 | 26 | 26 |
| 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
CY8C4025AXI-S402Infineon TechnologiesSimilar FunctionalityInfineon
IC MCU 32BIT 32KB FLASH 32TQFP
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.
ATMEGA32U4-MUMicrochip Technology8-bit AVR MCU, 32 KB, 2560 Bytes, 16 MHz, 2.7 to 5.5V, VQFN-44, RoHS