ATmega32 Atmel Corporation, ATmega32 Datasheet - Page 65

• Manufacturer Part Number: ATmega32
• Manufacturer: Atmel Corporation

Specifications of ATmega32

• Flash (kbytes): 32 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 32
• Ext Interrupts: 3
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 2
• 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: 3
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

Port B Input Pins
Address – PINB
Port C Data Register –
PORTC
Port C Data Direction
Register – DDRC
Port C Input Pins
Address – PINC
Port D Data Register –
PORTD
Port D Data Direction
Register – DDRD
Port D Input Pins
Address – PIND
2503Q–AVR–02/11
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
PORTC7
PORTD7
PINB7
PINC7
PIND7
DDC7
DDD7
R/W
R/W
R/W
R/W
N/A
N/A
N/A
7
R
7
0
7
0
7
R
7
0
7
0
7
R
PORTC6
PORTD6
PINB6
PINC6
PIND6
DDC6
DDD6
R/W
R/W
R/W
R/W
N/A
N/A
N/A
6
R
6
0
6
0
6
R
6
0
6
0
6
R
PORTC5
PORTD5
PINB5
PINC5
PIND5
DDC5
DDD5
R/W
R/W
R/W
R/W
N/A
N/A
N/A
R
R
R
5
5
0
5
0
5
5
0
5
0
5
PORTC4
PORTD4
PINB4
PINC4
PIND4
DDC4
DDD4
R/W
R/W
R/W
R/W
N/A
N/A
N/A
R
R
R
4
4
0
4
0
4
4
0
4
0
4
PORTC3
PORTD3
PINB3
PINC3
PIND3
DDC3
DDD3
R/W
R/W
R/W
R/W
N/A
N/A
N/A
R
R
R
3
3
0
3
0
3
3
0
3
0
3
PORTC2
PORTD2
PINB2
PINC2
PIND2
DDC2
DDD2
R/W
R/W
R/W
R/W
N/A
N/A
N/A
R
R
R
2
2
0
2
0
2
2
0
2
0
2
PORTC1
PORTD1
PINB1
PINC1
PIND1
DDC1
DDD1
R/W
R/W
R/W
R/W
N/A
N/A
N/A
R
R
R
1
1
0
1
0
1
1
0
1
0
1
ATmega32(L)
PORTC0
PORTD0
PINB0
PINC0
PIND0
DDC0
DDD0
R/W
R/W
R/W
R/W
N/A
N/A
N/A
R
R
R
0
0
0
0
0
0
0
0
0
0
0
PORTC
PORTD
DDRC
DDRD
PINB
PINC
PIND
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