Atmel (Microchip Technology) · Other MCUs
ATMEGA32U4RC-AU
IC MCU 8BIT 32KB FLASH 44TQFP
44-TQFP
Request this exact part →Source catalog record 8888797. Page generated 2026-10-10. Supply verification pending quotation.
- Core Processor
- AVR
- Program Memory Size
- 32KB (16K x 16)
- RAM Size
- 2.5K x 8
- Connectivity
- I²C, SPI, UART/USART, USB
- Speed
- 16MHz
- Operating Temperature
- -40°C ~ 85°C (TA)
Source specifications
These fields are source references. Confirm the current manufacturer document before design or procurement approval.
| Manufacturer | Atmel (Microchip Technology) |
|---|---|
| Complete ordering code | ATMEGA32U4RC-AU |
| Catalog family | Other MCUs |
| Source category | Microcontrollers |
| Source package | 44-TQFP |
| Product Status | Active |
| DigiKey Programmable | Not Verified |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 16MHz |
| Connectivity | I²C, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 26 |
| Program Memory Size | 32KB (16K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 2.5K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | A/D 12x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 44-TQFP |
| Supplier Device Package | 44-TQFP (10x10) |
Documentation
ATMEGA32U4RC-AU ↗Ordering and procurement checks
- Retain the complete code ATMEGA32U4RC-AU, including all suffixes.
- Confirm footprint, pin assignments, ratings and development dependencies using the exact manufacturer documentation.
- State quantity, required arrival date, approved alternates and traceability requirements with your RFQ.
Questions before ordering
What package is recorded for ATMEGA32U4RC-AU?
The source catalog lists 44-TQFP. Confirm footprint and pin assignments using the exact manufacturer documentation.
How do I request ATMEGA32U4RC-AU?
Provide the complete ordering code, required quantity, destination and delivery date using the form on this page. Price and availability are confirmed in the quotation.
Is ATMEGA32U4RC-AU currently in stock?
This page contains historical catalog information. Current available quantity, condition and lead time must be confirmed by the sourcing team.
Can I substitute another code for ATMEGA32U4RC-AU?
Use only an engineering-approved alternate. Similar naming, capacity or package alone does not establish compatibility.
Continue this family review
05523-458/0001-
14235R-200048-VFQFN Exposed Pad
14235R-50048-VFQFN Exposed Pad
14305R-200048-VFQFN Exposed Pad
14305R-50048-VFQFN Exposed Pad
14450R-50048-VFQFN Exposed PadRelated records support discovery; they require separate engineering qualification.
Filter this family → · Specialist guidance →Embedded Design Matcher · next steps
A multi-brand MCU and embedded-component workspace. Compare recorded cores, memory, interfaces and packages while retaining firmware, board and manufacturer constraints.