ATMEGA8U2-AUR Atmel, ATMEGA8U2-AUR Datasheet - Page 187

• Manufacturer Part Number: ATMEGA8U2-AUR
• Description: MCU AVR 8K FLASH 16MHZ 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8U2-AUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -

20.3.2
7799D–AVR–11/10
Self Powered device
Figure 20-4. Typical Bus powered application with 3.3V I/O
Figure 20-5. Typical Self powered application with 4.0V to 5.5V I/O.
VBUS
UVSS
UDP
UDM
UID
VBUS
UVSS
UDM
UDP
Rs=22
Rs=22
1µF
UCAP
VBUS
UGND
D+
D-
UID
1µF
UVCC
XTAL1
XTAL2
UCAP
UVCC
UVSS
D+
D-
VSS
AVCC
ATmega8U2/16U2/32U2
XTAL1
GND
VCC
XTAL2
VCC
GND
AVCC
External 3.4V - 5.5V
Power Supply
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