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 |