ATMEGA8U2-AUR Atmel, ATMEGA8U2-AUR Datasheet - Page 83

• 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: -

12.4.8
12.4.9
12.4.10
7799D–AVR–11/10
PORTD – Port D Data Register
DDRD – Port D Data Direction Register
PIND – Port D Input Pins Address
Bit
0x0B (0x2B)
Read/Write
Initial Value
Bit
0x0A (0x2A)
Read/Write
Initial Value
Bit
0x09 (0x29)
Read/Write
Initial Value
PORTD7
PIND7
DDD7
R/W
R/W
R/W
N/A
7
0
7
0
7
PORTD6
PIND6
DDD6
R/W
R/W
R/W
N/A
6
0
6
0
6
PORTD5
PIND5
DDD5
R/W
R/W
R/W
N/A
5
0
5
0
5
PORTD4
PIND4
DDD4
R/W
R/W
R/W
N/A
4
0
4
0
4
PORTD3
ATmega8U2/16U2/32U2
PIND3
DDD3
R/W
R/W
R/W
N/A
3
0
3
0
3
PORTD2
PIND2
DDD2
R/W
R/W
R/W
N/A
2
0
2
0
2
PORTD1
PIND1
DDD1
R/W
R/W
R/W
N/A
1
0
1
0
1
PORTD0
PIND0
DDD0
R/W
R/W
R/W
N/A
0
0
0
0
0
PORTD
DDRD
PIND
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