 |  | | |
| PartNumber | ATMEGA32U4-MU | ATMEGA32U4-AU | ATMEGA32U4-AUR |
| Description | 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL | 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL | 8-bit Microcontrollers - MCU USB 32K Flash 16 MHz |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-44 | TQFP-44 | TQFP-44 |
| Series | ATmega32U4 | ATmega32U4 | ATmega32U4 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 16 MHz | 16 MHz | 16 MHz |
| Program Memory Size | 32 kB | 32 kB | 32 kB |
| Data RAM Size | 2.5 kB | 2.5 kB | 2.5 kB |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Number of I/Os | 26 I/O | 26 I/O | 26 I/O |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tray | Tray | Reel |
| Height | 0.95 mm | 1.05 mm | - |
| Length | 7 mm | 10 mm | - |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 7 mm | 10 mm | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 1 kB | 1 kB | 1 kB |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Interface Type | SPI, TWI, USART | JTAG, SPI, TWI, USART, USB | JTAG, SPI, TWI, USART, USB |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 12 | 12 | 12 |
| Number of Timers/Counters | 5 Timer | 5 Timer | 4 Timer |
| Processor Series | megaAVR | megaAVR | megaAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 416 | 160 | 1500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.013051 oz | - | 0.009640 oz |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
ATMEGA32U4-MU | 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL | |
| ATMEGA32U4-AU | 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL | ||
| ATMEGA32U4-AUR | 8-bit Microcontrollers - MCU USB 32K Flash 16 MHz | ||
| ATMEGA32U4RC-MU | 8-bit Microcontrollers - MCU AVR USB 16K FL 16MHz Ind Temp Grn | ||
| ATMEGA32U4RC-AU | 8-bit Microcontrollers - MCU AVR USB 16K FL 16MHz Ind Temp Grn | ||
| ATMEGA32U4RC-AUR | 8-bit Microcontrollers - MCU AVR USB 16K FL 16MHz Ind Temp Grn | ||
| ATMEGA32U4-MUR | 8-bit Microcontrollers - MCU USB 16K FLASH 16 MHz | ||
| ATMEGA32U4RC-MUR | 8-bit Microcontrollers - MCU AVR USB 16K FL 16MHz Ind Temp Grn | ||
| ATMEGA32U4-16MU | 8-bit Microcontrollers - MCU 32K Flash | ||
| ATMEGA32U4-16AU | 8-bit Microcontrollers - MCU 32K Flash | ||
| ATMEGA32U4RC-MUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR USB 16K FL 16MHz Ind Temp Grn | ||
| ATMEGA32U4-MUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU USB 16K FLASH 16 MHz | ||
| ATMEGA32U4RC-AUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR USB 16K FL 16MHz Ind Temp Grn | ||
| ATMEGA32U4RC-MU | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR USB 16K FL 16MHz Ind Temp Grn | ||
| ATMEGA32U4RC-AU | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR USB 16K FL 16MHz Ind Temp Grn | ||
| ATMEGA32U4-AUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU USB 16K FLASH 16 MHz | ||
| ATMEGA32U4-MU | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL | ||
| ATMEGA32U4-AU | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL | ||
| ATMEGA32U4-AU/MU | New and Original | ||
| ATMEGA32U4-AU: MCU | New and Original |