ATMEGA32U4-AUR Atmel, ATMEGA32U4-AUR Datasheet - Page 423

• Manufacturer Part Number: ATMEGA32U4-AUR
• Description: MCU AVR 16K FLASH 16MHZ 44TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA32U4-AUR

• 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): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

36. Datasheet Revision History for ATmega16U4/ATmega32U4
36.1
36.2
36.3
36.4
7766F–AVR–11/10
Rev. 7766F – 11/10
Rev. 7766E – 04/10
Rev. 7766D – 01/09
Rev. 7766C – 11/08
Please note that the referring page numbers in this section are referred to this document. The
referring revision in this section are referring to the document revision.
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“ADC Control and Status Register B – ADCSRB” on page
“Features” on page
“Features” on page
Figure 21-9 on page
Section 21.8 on page
“Features” on page
“ATmega16U4/ATmega32U4 Boundary-scan Order” on page
“Program And Data Memory Lock Bits” on page
Table 28-5 on page
“Electrical Characteristics” on page
Figure 29-2 on page
“Ordering Information” on page
“Errata” on page
“Ordering Information” on page
“QFN44” on page 418
“Resources” on page
“Data Retention” on page
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“Features” on page
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