ATmega32A Atmel Corporation, ATmega32A Datasheet - Page 67
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ATmega32A
Manufacturer Part Number
ATmega32A
Description
Manufacturer
Atmel Corporation
Specifications of ATmega32A
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA32A
Manufacturer:
Atmel
Quantity:
150
Part Number:
ATMEGA32A
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega32A-AU
Manufacturer:
ATMEL
Quantity:
5 600
Part Number:
ATmega32A-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega32A-AUR
Manufacturer:
SMD
Quantity:
5
Part Number:
ATmega32A-MU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Company:
Part Number:
ATmega32A-PU
Manufacturer:
ATMEL
Quantity:
3 000
Company:
Part Number:
ATmega32A-PU
Manufacturer:
Atmel
Quantity:
26 792
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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