ATMEGA32A-MNR Atmel, ATMEGA32A-MNR Datasheet - Page 67

• Manufacturer Part Number: ATMEGA32A-MNR
• Description: IC MCU AVR 32K 16MHZ 44VQFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA32A-MNR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• 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: 44-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12.4.5
12.4.6
12.4.7
12.4.8
12.4.9
12.4.10
12.4.11
12.4.12
8155C–AVR–02/11
PORTB – Port B Data Register
DDRB – Port B Data Direction Register
PINB – Port B Input Pins Address
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
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
PORTB7
PORTC7
PORTD7
PINB7
PINC7
DDB7
DDC7
DDD7
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
R
7
0
7
0
7
7
0
7
0
7
7
0
7
0
PORTB6
PORTC6
PORTD6
PINB6
PINC6
DDB6
DDC6
DDD6
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
R
R
6
0
6
0
6
6
0
6
0
6
6
0
6
0
PORTB5
PORTC5
PORTD5
PINB5
PINC5
DDB5
DDC5
DDD5
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
5
0
5
0
R
5
0
5
0
R
5
5
5
0
5
0
PORTB4
PORTC4
PORTD4
DDB4
PINB4
DDC4
PINC4
DDD4
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
4
0
4
0
R
4
0
4
0
R
4
4
4
0
4
0
PORTB3
PORTC3
PORTD3
DDB3
PINB3
DDC3
PINC3
DDD3
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
3
0
3
0
R
3
0
3
0
R
3
3
3
0
3
0
PORTB2
PORTC2
PORTD2
DDB2
PINB2
DDC2
PINC2
DDD2
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
2
0
2
0
R
2
0
2
0
R
2
2
2
0
2
0
PORTB1
PORTC1
PORTD1
DDB1
PINB1
DDC1
PINC1
DDD1
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
1
0
1
0
R
1
0
1
0
R
1
1
1
0
1
0
ATmega32A
PORTB0
PORTC0
PORTD0
DDB0
PINB0
DDC0
PINC0
DDD0
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
0
0
0
0
R
0
0
0
0
R
0
0
0
0
0
0
PORTB
PORTC
PORTD
DDRB
DDRC
DDRD
PINB
PINC
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