ATMEGA329P-20MN Atmel, ATMEGA329P-20MN Datasheet - Page 91

• Manufacturer Part Number: ATMEGA329P-20MN
• Description: IC MCU AVR 32K 20MHZ 64QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA329P-20MN

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 54
• 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): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-MLF®, 64-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

13.4.8
13.4.9
13.4.10
13.4.11
13.4.12
13.4.13
13.4.14
13.4.15
8021G–AVR–03/11
PORTC – Port C Data Register
DDRC – Port C Data Direction Register
PINC – Port C Input Pins Address
PORTD – Port D Data Register
DDRD – Port D Data Direction Register
PIND – Port D Input Pins Address
PORTE – Port E Data Register
DDRE – Port E Data Direction Register
Bit
0x08 (0x28)
Read/Write
Initial Value
Bit
0x07 (0x27)
Read/Write
Initial Value
Bit
0x06 (0x26)
Read/Write
Initial Value
Bit
0x0B (0x2B)
Read/Write
Initial Value
Bit
0x0A (0x2A)
Read/Write
Initial Value
Bit
0x09 (0x29)
Read/Write
Initial Value
Bit
0x0E (0x2E)
Read/Write
Initial Value
Bit
0x0D (0x2D)
Read/Write
Initial Value
PORTC7
PORTD7
PORTE7
PINC7
PIND7
DDC7
DDD7
DDE7
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
7
7
0
7
0
7
0
7
0
7
0
7
7
0
PORTD6
PORTE6
PORTC6
PINC6
PIND6
DDC6
DDD6
DDE6
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
6
6
0
6
0
6
0
6
0
6
6
0
6
0
PORTD5
PORTE5
PORTC5
PINC5
PIND5
DDD5
DDE5
DDC5
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
5
0
5
5
0
5
0
5
5
0
5
0
5
0
PORTD4
PORTC4
PORTE4
PINC4
PIND4
DDD4
DDE4
DDC4
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
4
4
0
4
0
4
4
0
4
0
4
0
4
0
PORTD3
PORTE3
PORTC3
PINC3
PIND3
DDD3
DDE3
DDC3
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
R/W
N/A
3
3
0
3
0
3
3
0
3
0
3
0
3
0
ATmega329P/3290P
PORTD2
PORTE2
PORTC2
PINC2
PIND2
DDD2
DDE2
DDC2
R/W
R/W
R/W
R/W
R/W
R/W
R/W
N/A
R/W
N/A
2
2
0
2
0
2
2
0
2
0
2
0
2
0
PORTD1
PORTE1
PORTC1
PINC1
DDD1
PIND1
DDE1
DDC1
R/W
R/W
R/W
R/W
R/W
N/A
R/W
R/W
R/W
N/A
1
1
0
1
0
1
0
1
1
0
1
0
1
0
PORTD0
PORTE0
PORTC0
PINC0
DDD0
PIND0
DDE0
DDC0
R/W
R/W
R/W
R/W
N/A
R/W
R/W
R/W
N/A
R/W
0
0
0
0
0
0
0
0
0
0
0
0
0
0
PORTD
DDRD
PORTE
DDRE
PORTC
DDRC
PINC
PIND
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