ATmega32U2 Atmel Corporation, ATmega32U2 Datasheet - Page 83

• Manufacturer Part Number: ATmega32U2
• Manufacturer: Atmel Corporation

Specifications of ATmega32U2

• Flash (kbytes): 32 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 12
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 22
• Ext Interrupts: 20
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 1
• Eeprom (bytes): 1024
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 5
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

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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