A000048 Arduino, A000048 Datasheet - Page 94

• Manufacturer Part Number: A000048
• Description: ATMEGA328 MCU IC W/ Arduino UNO Bootloader
• Manufacturer: Arduino
• Series: -r

Specifications of A000048

• Accessory Type: Pre-Programed IC
• Features: Powered Via USB Connection, AC-to-DC Adapter, Power Jack, ICSP Header
• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: -
• For Use With: ATmega328 Microcontrollers
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

13.4.8
13.4.9
13.4.10
8271C–AVR–08/10
PORTD – The Port D Data Register
DDRD – The Port D Data Direction Register
PIND – The Port D Input Pins Address
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
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
N/A
R
7
0
7
0
7
PORTD6
PIND6
DDD6
R/W
R/W
N/A
R
6
0
6
0
6
PORTD5
PIND5
DDD5
R/W
R/W
N/A
R
5
0
5
0
5
PORTD4
PIND4
DDD4
R/W
R/W
N/A
R
4
0
4
0
4
PORTD3
PIND3
DDD3
R/W
R/W
N/A
R
3
0
3
0
3
PORTD2
PIND2
DDD2
R/W
R/W
N/A
R
2
0
2
0
2
PORTD1
PIND1
DDD1
R/W
R/W
N/A
R
1
0
1
0
1
PORTD0
PIND0
DDD0
R/W
R/W
N/A
R
0
0
0
0
0
PORTD
DDRD
PIND
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